Refer to the PDF data sheet for device specific package drawings
The TS5A3159-Q1 is a single-pole double-throw (SPDT) analog switch that is designed to operate from 1.65 V to 5.5 V. The device offers a low ON-state resistance and an excellent ON-resistance, matching with the break-before-make feature to prevent signal distortion during the transferring of a signal from one channel to another. The device has an excellent total harmonic distortion (THD) performance and consumes very low power. These features make this device suitable for portable audio applications.
PART NUMBER | PACKAGE | BODY SIZE (NOM) |
---|---|---|
TS5A3159-Q1 | SOT-23 (6) | 2.90 mm × 4.00 mm |
Changes from B Revision (October 2015) to C Revision
Changes from A Revision (December 2012) to B Revision
Changes from * Revision (November, 2012) to A Revision
MIN | MAX | UNIT | |||
---|---|---|---|---|---|
V+ | Supply voltage(2) | –0.5 | 6.5 | V | |
VNO, VNC, VCOM | Analog voltage(2)(3)(4) | –0.5 | V+ + 0.5 | V | |
II/OK | Analog port diode current | VNO, VNC, VCOM < 0 or VNO, VNC, VCOM > V+ | ±50 | mA | |
INO, INC, ICOM | ON−state switch current | VNO, VNC, VCOM = 0 to V+ | ±200 | mA | |
ON−state peak switch current(5) | ±400 | mA | |||
VIN | Digital input voltage range(2)(3) | –0.5 | 6.5 | V | |
IIK | Digital input clamp current | VIN < 0 | −50 | mA | |
Continuous current through V+ or GND | ±100 | mA | |||
TJ | Junction temperature | 150 | °C | ||
Tstg | Storage temperature | –65 | 150 | °C |
VALUE | UNIT | ||||
---|---|---|---|---|---|
V(ESD) | Electrostatic discharge | Human body model (HBM), per AEC Q100-002(1) | ±2000 | V | |
Charged device model (CDM), per AEC Q100-011 | Corner pins (NO, NC, IN, and COM) | ±750 | |||
Other pins | ±500 |
MIN | MAX | UNIT | ||
---|---|---|---|---|
V+ | 1.65 | 5.5 | V | |
IN | 0 | 5.5 | V | |
NO, NC, COM | 0 | V+ | V |
THERMAL METRIC(1) | TS5A3159-Q1 | UNIT | |
---|---|---|---|
DBV (SOT-23) | |||
6 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 192.9 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 133.3 | °C/W |
RθJB | Junction-to-board thermal resistance | 37.6 | °C/W |
ψJT | Junction-to-top characterization parameter | 38.9 | °C/W |
ψJB | Junction-to-board characterization parameter | 37.1 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | °C/W |
PARAMETER | TEST CONDITIONS | TA | V+ | MIN | TYP(1) | MAX | UNIT | ||
---|---|---|---|---|---|---|---|---|---|
ANALOG SWITCH | |||||||||
VCOM, VNO,VNC | Analog signal range | 0 | V+ | V | |||||
rpeak | Peak ON resistance | 0 ≤ VNO or VNC ≤ V+, ICOM = –30 mA |
Switch ON, See Figure 11 |
25°C | 4.5 V | 1 | 1.5 | Ω | |
Full | 1.5 | ||||||||
ron | ON-state resistance | VNO or VNC = 2.5 V, ICOM = –30 mA |
Switch ON, See Figure 10 |
25°C | 4.5 V | 0.75 | 1.3 | Ω | |
Full | 1.3 | ||||||||
∆ron | ON-state resistance match between channels | VNO or VNC = 2.5 V, ICOM = –30 mA |
Switch ON, See Figure 10 |
25°C | 4.5 V | 0.1 | Ω | ||
ron(flat) | ON-state resistance flatness | 0 ≤ VNO or VNC ≤ V+, ICOM = –30 mA |
Switch ON, See Figure 10 |
25°C | 4.5 V | 0.233 | Ω | ||
VNO or VNC = 1 V, 1.5 V, 2.5 V, ICOM = –30 mA |
25°C | 0.15 | |||||||
INC(OFF), INO(OFF) | NC, NO OFF leakage current |
VNC or VNO = 4.5 V, VCOM = 0 |
Switch OFF, See Figure 12 |
25°C | 5.5 V | −6 | 0.2 | 6 | nA |
Full | −150 | 150 | |||||||
INC(ON), INO(ON) | NC, NO ON leakage current |
VNC or VNO = 4.5 V, VCOM = Open |
Switch ON, See Figure 13 |
25°C | 5.5 V | −6 | 2.8 | 6 | nA |
Full | −150 | 150 | |||||||
ICOM(ON) | COM ON leakage current |
VNC or VNO = 4.5 V or Open, VCOM = 4.5 V |
Switch ON, See Figure 13 |
25°C | 5.5 V | –8 | 0.47 | 8 | nA |
Full | −150 | 150 | |||||||
DIGITAL INPUTS (IN) | |||||||||
VIH | Input logic high | Full | 2.4 | 5.5 | V | ||||
VIL | Input logic low | Full | 0 | 0.8 | V | ||||
IIH, IIL | Input leakage current | VIN = 5.5 V or 0 | Full | 5.5 V | −1 | 1 | µA | ||
DYNAMIC | |||||||||
tON | Turn-on time | VCOM = V+, RL = 50 Ω, |
CL = 35 pF, See Figure 15 |
25°C | 4.5 V to 5.5 V | 20 | 35 | ns | |
Full | 40 | ||||||||
tOFF | Turn-off time | VCOM = V+, RL = 50 Ω, |
CL = 35 pF, See Figure 15 |
25°C | 4.5 V to 5.5 V | 15 | 20 | ns | |
Full | 35 | ||||||||
tBBM | Break-before-make time | VNC = VNO = V+ / 2, RL = 50 Ω, |
CL = 35 pF, See Figure 16 |
25°C | 4.5 V to 5.5 V | 1 | 12 | 14.5 | ns |
Full | 1 | ||||||||
QC | Charge injection | CL = 1 nF, VGEN = 0 V, | See Figure 19 | 25°C | 5 V | 36 | pC | ||
CNC(OFF), CNO(OFF) | NC, NO OFF capacitance |
VNC or VNO = V+ or GND, Switch OFF, |
See Figure 13 | 25°C | 5 V | 23 | pF | ||
CNC(ON), CNO(ON) | NC, NO ON capacitance |
VNC or VNO = V+ or GND, Switch ON, |
See Figure 13 | 25°C | 5 V | 84 | pF | ||
CCOM(ON) | COM ON capacitance |
VCOM = V+ or GND, Switch ON, |
See Figure 13 | 25°C | 5 V | 84 | pF | ||
CIN | Digital input capacitance | VIN = V+ or GND, | See Figure 13 | 25°C | 5 V | 2.1 | pF | ||
BW | Bandwidth | RL = 50 Ω, Switch ON, |
See Figure 16 | 25°C | 5 V | 100 | MHz | ||
OISO | OFF isolation | RL = 50 Ω, f = 1 MHz, |
Switch OFF, See Figure 17 |
25°C | 5 V | –65 | dB | ||
XTALK | Crosstalk | RL = 50 Ω, f = 1 MHz, |
Switch ON, See Figure 18 |
25°C | 5 V | –65 | dB | ||
THD | Total harmonic distortion | RL = 600 Ω, CL = 50 pF, |
f = 600 Hz to 20 kHz, See Figure 19 |
25°C | 5 V | 0.01% | |||
SUPPLY | |||||||||
I+ | Positive supply current | VIN = V+ or GND, | Switch ON or OFF | 25°C | 5.5 V | 0.1 | µA | ||
Full | 0.5 |
PARAMETER | TEST CONDITIONS | TA | V+ | MIN | TYP(1) | MAX | UNIT | ||
---|---|---|---|---|---|---|---|---|---|
ANALOG SWITCH | |||||||||
VCOM, VNO,VNC | Analog signal range | 0 | V+ | V | |||||
rpeak | Peak ON-state resistance | 0 ≤ VNO or VNC ≤ V+, ICOM = –24 mA, |
Switch ON, See Figure 10 |
25°C | 3 V | 1.35 | 2.2 | Ω | |
Full | 2.2 | ||||||||
ron | ON-state resistance | VNO or VNC = 2 V, ICOM = –24 mA, |
Switch ON, See Figure 10 |
25°C | 3 V | 1.15 | 1.8 | Ω | |
Full | 1.8 | ||||||||
∆ron | ON-state resistance match between channels | VNO or VNC = 2 V, 0.8 V, ICOM = –24 mA, |
Switch ON, See Figure 10 |
25°C | 3 V | 0.11 | Ω | ||
ron(flat) | ON-state resistance flatness | 0 ≤ VNO or VNC ≤ V+, ICOM = –24 mA, |
Switch ON, See Figure 10 |
25°C | 3 V | 0.225 | Ω | ||
VNO or VNC = 2 V, 0.8 V, ICOM = –24 mA, |
25°C | 0.25 | |||||||
INC(OFF), INO(OFF) |
NC, NO OFF leakage current |
VNC or VNO = 3 V, VCOM = 0, |
Switch OFF, See Figure 11 |
25°C | 3.6 V | 0.2 | nA | ||
INC(ON), INO(ON) |
NC, NO ON leakage current |
VNC or VNO = 3 V, VCOM = Open, |
Switch ON, See Figure 12 |
25°C | 3.6 V | 2.8 | nA | ||
ICOM(ON) | COM ON leakage current |
VNC or VNO = 3 V or Open, VCOM = 3 V, |
Switch ON, See Figure 12 |
25°C | 3.6 V | 0.47 | nA | ||
DIGITAL INPUTS (IN) | |||||||||
VIH | Input logic high | Full | 2 | 5.5 | V | ||||
VIL | Input logic low | Full | 0 | 0.6 | V | ||||
IIH, IIL | Input leakage current | VIN = 5.5 V or 0 | Full | 3.6 V | –1 | 1 | µA | ||
DYNAMIC | |||||||||
tON | Turn-on time | VCOM = V+, RL = 50 Ω |
CL = 35 pF, See Figure 15 |
25°C | 3 V to 3.6 V | 30 | 40 | ns | |
Full | 55 | ||||||||
tOFF | Turn-off time | VCOM = V+, RL = 50 Ω |
CL = 35 pF, See Figure 15 |
25°C | 3 V to 3.6 V | 20 | 25 | ns | |
Full | 40 | ||||||||
tBBM | Break-before-make time | VNC = VNO = V+ / 2, RL = 50 Ω |
CL = 35 pF, See Figure 16 |
25°C | 3 V to 3.6 V | 1 | 21 | 29 | ns |
Full | 1 | ||||||||
QC | Charge injection | CL = 1 nF, VGEN = 0 V | See Figure 19 | 25°C | 3.3 V | 20 | pC | ||
CNC(OFF), CNO(OFF) | NC, NO OFF capacitance | VNC or VNO = V+ or GND, Switch OFF |
See Figure 13 | 25°C | 3.3 V | 23 | pF | ||
CNC(ON), CNO(ON) | NC, NO ON capacitance | VNC or VNO = V+ or GND, Switch ON |
See Figure 13 | 25°C | 3.3 V | 84 | pF | ||
CCOM(ON) | COM ON capacitance | VCOM = V+ or GND, Switch ON |
See Figure 13 | 25°C | 3.3 V | 84 | pF | ||
CIN | Digital input capacitance | VIN = V+ or GND | See Figure 13 | 25°C | 3.3 V | 2.1 | pF | ||
BW | Bandwidth | RL = 50 Ω, Switch ON |
See Figure 16 | 25°C | 3.3 V | 100 | MHz | ||
OISO | OFF isolation | RL = 50 Ω, f = 1 MHz |
Switch OFF, See Figure 17 |
25°C | 3.3 V | –65 | dB | ||
XTALK | Crosstalk | RL = 50 Ω, f = 1 MHz |
Switch ON, See Figure 18 |
25°C | 3.3 V | –65 | dB | ||
THD | Total harmonic distortion | RL = 600 Ω, CL = 50 pF |
f = 600 Hz to 20 kHz, See Figure 19 |
25°C | 3.3 V | 0.015% | |||
SUPPLY | |||||||||
I+ | Positive supply current | VIN = V+ or GND | Switch ON or OFF | 25°C | 3.6 V | 0.1 | μA | ||
Full | 0.5 |
PARAMETER | TEST CONDITIONS | TA | V+ | MIN | TYP(1) | MAX | UNIT | ||
---|---|---|---|---|---|---|---|---|---|
ANALOG SWITCH | |||||||||
VCOM, VNO,VNC | Analog signal range | 0 | V+ | V | |||||
rpeak | Peak ON-state resistance | 0 ≤ VNO or VNC ≤ V+, ICOM = –8 mA |
Switch ON, See Figure 10 |
25°C | 2.5 V | 1.7 | 2.9 | Ω | |
Full | 2.9 | ||||||||
ron | ON-state resistance | VNO or VNC = 1.8 V, ICOM = –8 mA |
Switch ON, See Figure 10 |
25°C | 2.5 V | 1.45 | 2.3 | Ω | |
Full | 2.3 | ||||||||
∆ron | ON-state resistance match between channels | VNO or VNC = 0.8 V, 1.8 V, ICOM = –8 mA |
Switch ON, See Figure 10 |
25°C | 2.5 V | 0.7 | Ω | ||
ron(flat) | ON-state resistance flatness | 0 ≤ VNO or VNC ≤ V+, ICOM = –8 mA |
Switch ON, See Figure 10 |
25°C | 2.5 V | 0.5 | Ω | ||
VNO or VNC = 0.8 V, 1.8 V, ICOM = –8 mA |
25°C | 0.45 | |||||||
INC(OFF), INO(OFF) | NC, NO Off leakage current |
VNC or VNO = 2.3 V, VCOM = 0 |
Switch OFF, See Figure 11 |
25°C | 2.7 V | 0.2 | nA | ||
INC(ON), INO(ON) | NC, NO On leakage current |
VNC or VNO = 2.3 V, VCOM = Open |
Switch ON, See Figure 12 |
25°C | 2.7 V | 2.8 | nA | ||
ICOM(ON) | COM On leakage current |
VNC or VNO = 2.3 V or Open, VCOM = 2.3 V |
Switch ON, See Figure 12 |
25°C | 2.7 V | 0.47 | nA | ||
DIGITAL INPUTS (IN) | |||||||||
VIH | Input logic high | Full | 1.8 | 5.5 | V | ||||
VIL | Input logic low | Full | 0 | 0.6 | V | ||||
IIH, IIL | Input leakage current | VIN = 5.5 V or 0 | Full | 2.7 V | −1 | 1 | µA | ||
DYNAMIC | |||||||||
tON | Turn-on time | VCOM = V+, RL = 50 Ω, |
CL = 35 pF, See Figure 15 |
25°C | 2.3 V to 2.7 V | 40 | 55 | ns | |
Full | 70 | ||||||||
tOFF | Turn-off time | VCOM = V+, RL = 50 Ω, |
CL = 35 pF, See Figure 15 |
25°C | 2.3 V to 2.7 V | 30 | 40 | ns | |
Full | 55 | ||||||||
tBBM | Break-before-make time | VNC = VNO = V+ / 2, RL = 50 Ω, |
CL = 35 pF, See Figure 16 |
25°C | 2.3 V to 2.7 V | 1 | 33 | 39 | ns |
Full | 1 | ||||||||
QC | Charge injection | CL = 1 nF, VGEN = 0 V, | See Figure 19 | 25°C | 2.5 V | 13 | pC | ||
CNC(OFF), CNO(OFF) |
NC, NO OFF capacitance |
VNC or VNO = V+ or GND, Switch OFF, |
See Figure 14 | 25°C | 2.5 V | 23 | pF | ||
CNC(ON), CNO(ON) |
NC, NO ON capacitance |
VNC or VNO = V+ or GND, Switch ON, |
See Figure 14 | 25°C | 2.5 V | 84 | pF | ||
CCOM(ON) | COM ON capacitance |
VCOM = V+ or GND, Switch ON, |
See Figure 14 | 25°C | 2.5 V | 84 | pF | ||
CIN | Digital input capacitance | VIN = V+ or GND, | See Figure 14 | 25°C | 2.5 V | 2.1 | pF | ||
BW | Bandwidth | RL = 50 Ω, Switch ON, |
See Figure 16 | 25°C | 2.5 V | 100 | MHz | ||
OISO | OFF isolation | RL = 50 Ω, f = 1 MHz, |
Switch OFF, See Figure 17 |
25°C | 2.5 V | –64 | dB | ||
XTALK | Crosstalk | RL = 50 Ω, f = 1 MHz, |
Switch ON, See Figure 18 |
25°C | 2.5 V | –64 | dB | ||
THD | Total harmonic distortion | RL = 600 Ω, CL = 50 pF, |
f = 600 Hz to 20 kHz, See Figure 19 |
25°C | 2.5 V | 0.025% | |||
SUPPLY | |||||||||
I+ | Positive supply current | VIN = V+ or GND, | Switch ON or OFF | 25°C | 2.7 V | 0.1 | μA | ||
Full | 0.5 |
PARAMETER | TEST CONDITIONS | TA | V+ | MIN | TYP(1) | MAX | UNIT | ||
---|---|---|---|---|---|---|---|---|---|
ANALOG SWITCH | |||||||||
VCOM, VNO,VNC | Analog signal range | 0 | V+ | V | |||||
rpeak | Peak ON-state resistance |
0 ≤ VNO or VNC ≤ V+, ICOM = −2 mA |
Switch ON, See Figure 10 |
25°C | 1.8 V | 4 | 5.2 | Ω | |
Full | 5.2 | ||||||||
ron | ON-state resistance | VNO or VNC = 1.5 V, ICOM = −2 mA |
Switch ON, See Figure 10 |
25°C | 1.8 V | 1.7 | 3.5 | Ω | |
Full | 3.5 | ||||||||
∆ron | ON-state resistance match between channels | VNO or VNC = 0.6 V, 1.5 V, ICOM = −2 mA |
Switch ON, See Figure 10 |
25°C | 1.8 V | 0.7 | Ω | ||
Full | 0.7 | ||||||||
ron(flat) | ON-state resistance flatness | 0 ≤ VNO or VNC ≤ V+, ICOM = −2 mA |
Switch ON, See Figure 11 |
25°C | 1.8 V | 1.85 | Ω | ||
Full | 1.85 | ||||||||
VNO or VNC = 0.6 V, 1.5 V, ICOM = −2 mA |
25°C | 0.9 | |||||||
Full | 0.9 | ||||||||
INC(OFF), INO(OFF) | NC, NO Off leakage current |
VNC or VNO = 1.65 V, VCOM = 0 |
Switch OFF, See Figure 11 |
25°C | 1.95 V | 0.2 | nA | ||
INC(ON), INO(ON) | NC, NO On leakage current |
VNC or VNO = 1.65 V, VCOM = Open |
Switch ON, See Figure 12 |
25°C | 1.95 V | 2.8 | nA | ||
ICOM(ON) | COM On leakage current |
VNC or VNO = 1.65 V or Open, VCOM = 1.65 V |
Switch ON, See Figure 12 |
25°C | 1.95 V | 0.47 | nA | ||
DIGITAL INPUTS (IN) | |||||||||
VIH | Input logic high | Full | 1.5 | 5.5 | V | ||||
VIL | Input logic low | Full | 0 | 0.6 | V | ||||
IIH, IIL | Input leakage current | VIN = 5.5 V or 0 | Full | 1.95 V | −1 | 1 | µA | ||
DYNAMIC | |||||||||
tON | Turn-on time | VCOM = V+, RL = 50 Ω, |
CL = 35 pF, See Figure 15 |
25°C | 1.65 V to 1.95 V | 65 | 70 | ns | |
Full | 95 | ||||||||
tOFF | Turn-off time | VCOM = V+, RL = 50 Ω, |
CL = 35 pF, See Figure 15 |
25°C | 1.65 V to 1.95 V | 40 | 55 | ns | |
Full | 70 | ||||||||
tBBM | Break-before-make time | VNC = VNO = V+ / 2, RL = 50 Ω, |
CL = 35 pF, See Figure 15 |
25°C | 1.65 V to 1.95 V | 1 | 60 | 72 | ns |
Full | 0.5 | ||||||||
QC | Charge injection | CL = 1 nF, VGEN = 0 V, | See Figure 19 | 25°C | 1.8 V | 13 | pC | ||
CNC(OFF), CNO(OFF) |
NC, NO OFF capacitance |
VNC or VNO = V+ or GND, Switch OFF, |
See Figure 14 | 25°C | 1.8 V | 23 | pF | ||
CNC(ON), CNO(ON) |
NC, NO ON capacitance |
VNC or VNO = V+ or GND, Switch ON, |
See Figure 14 | 25°C | 1.8 V | 84 | pF | ||
CCOM(ON) | COM ON capacitance |
VCOM = V+ or GND, Switch ON, |
See Figure 14 | 25°C | 1.8 V | 84 | pF | ||
CIN | Digital input capacitance | VIN = V+ or GND, | See Figure 14 | 25°C | 1.8 V | 2.1 | pF | ||
BW | Bandwidth | RL = 50 Ω, Switch ON, |
See Figure 16 | 25°C | 1.8 V | 100 | MHz | ||
OISO | OFF isolation | RL = 50 Ω, f = 1 MHz, |
Switch OFF, See Figure 17 |
25°C | 1.8 V | –63 | dB | ||
XTALK | Crosstalk | RL = 50 Ω, f = 1 MHz, |
Switch ON, See Figure 18 |
25°C | 1.8 V | –63 | dB | ||
SUPPLY | |||||||||
I+ | Positive supply current | VIN = V+ or GND, | Switch ON or OFF | 25°C | 1.95 V | 0.1 | μA | ||
Full | 0.5 |
SYMBOL | DESCRIPTION |
---|---|
VCOM | Voltage at COM |
VNC | Voltage at NC |
VNO | Voltage at NO |
ron | Resistance between COM and NC or COM and NO ports, when the channel is ON |
rpeak | Peak ON-state resistance over a specified voltage range |
∆ron | Difference of ron between channels |
ron(flat) | Difference between the maximum and minimum value of ron in a channel over the specified range of conditions |
INC(OFF) | Leakage current measured at the NC port, with the corresponding channel (NC to COM) in the OFF state under worst-case input and output conditions |
INO(OFF) | Leakage current measured at the NO port, with the corresponding channel (NO to COM) in the OFF state under worst-case input and output conditions |
INC(ON) | Leakage current measured at the NC port, with the corresponding channel (NC to COM) in the ON state and the output (COM) being open |
INO(ON) | Leakage current measured at the NO port, with the corresponding channel (NO to COM) in the ON state and the output (COM) being open |
ICOM(ON) | Leakage current measured at the COM port, with the corresponding channel (COM to NO or COM to NC) in the ON state and the output (NC or NO) being open |
VIH | Minimum input voltage for logic high for the control input (IN) |
VIL | Minimum input voltage for logic low for the control input (IN) |
VIN | Voltage at IN |
IIH, IIL | Leakage current measured at IN |
tON | Turn-on time for the switch. This parameter is measured under the specified range of conditions and by the propagation delay between the digital control (IN) signal and analog outputs (COM, NC, or NO) signal, when the switch is turning ON. |
tOFF | Turn-off time for the switch. This parameter is measured under the specified range of conditions and by the propagation delay between the digital control (IN) signal and analog outputs (COM, NC, or NO) signal, when the switch is turning OFF. |
tBBM | Break-before-make time. This parameter is measured under the specified range of conditions and by the propagation delay between the output of two adjacent analog channels (NC and NO), when the control signal changes state. |
QC | Charge injection is a measurement of unwanted signal coupling from the control (IN) input to the analog (NC, NO, or COM) output. This is measured in coulomb (C) and measured by the total charge induced due to switching of the control input. Charge injection, QC = CL × ∆VO, CL is the load capacitance, and ∆VO is the change in analog output voltage. |
CNC(OFF) | Capacitance at the NC port when the corresponding channel (NC to COM) is OFF |
CNO(OFF) | Capacitance at the NO port when the corresponding channel (NO to COM) is OFF |
CNC(ON) | Capacitance at the NC port when the corresponding channel (NC to COM) is ON |
CNO(ON) | Capacitance at the NO port when the corresponding channel (NO to COM) is ON |
CCOM(ON) | Capacitance at the COM port when the corresponding channel (COM to NC or COM to NO) is ON |
CIN | Capacitance of IN |
OISO | OFF isolation of the switch is a measurement OFF-state switch impedance. This is measured in dB in a specific frequency, with the corresponding channel (NC to COM or NO to COM) in the OFF state. |
XTALK | Crosstalk is a measurement of unwanted signal coupling from an ON channel to an OFF channel (NC to NO or NO to NC). This is measured in a specific frequency and in dB. |
BW | Bandwidth of the switch. This is the frequency in which the gain of an ON channel is −3 dB below the DC gain. |
I+ | Static power-supply current with the control (IN) pin at V+ or GND |
∆I+ | This is the increase in I+ for each control (IN) input that is at the specified voltage, rather than at V+ or GND. |
The TS5A3159-Q1 is a single-pole double-throw (SPDT) analog switch designed to operate from 1.65 V to 5.5 V. Either the NO or the NC pin is shorted to the COM pin, depending on the logic level input to the IN pin.
The main feature of this device is the excellent total harmonic distortion performance and low power consumption. Additionally, the NO, NC, and COM pins can be used as either inputs or outputs.
Table 3 lists the functions for the TS5A3159-Q1 device.
IN | NC TO COM, COM TO NC |
NO TO COM, COM TO NO |
---|---|---|
L | ON | OFF |
H | OFF | ON |
NOTE
Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality.
Analog switches are commonly used in battery powered applications to route audio signals. A typical use case is highlighted in Figure 20. The analog switch is supplied with 5 V and the control input is from a 5-V processor GPIO. In this case, there are no concerns related to excess power consumption.
In this application example, the device receives the control signal from a 5-V GPIO and common input from an Audio Power amplifier. The input is routed to either the Hands free set or the internal speaker depending upon the control signal.
Since the control signal varies from 0 to 5 V (Vdd), there’s no excess current consumption. However, if the control signal comes from lower voltage GPIOs while the V+ of TS5A3159 is connected to the battery whose voltage varies, it can lead to an excess current draw from the V+ suppl pin. Such a scenario requires the use of an external voltage level translator such as the SN74LVC1T45. For more information see Preventing Excess Current Consumption on Analog Switches, SCDA011.
The ON state resistance of the switch is a critical parameter to measure since it helps select the right switch for the application. The on state resistance versus the common voltage can be seen in Figure 21.