The HD3SS3411 is a high-speed bi-directional passive switch in multiplexer or demultiplexer configurations. Based on control pin SEL, the device provides switching of differential channels between Port B to Port A or Port C to Port A.
The HD3SS3411 is a generic analog differential passive switch that can work for any high speed interface application as long as it is biased at a common mode voltage range of 0 V to 2 V and has differential signaling with differential amplitude up to 1800 mVpp. The device employs adaptive tracking that ensures the channel remains unchanged for entire common mode voltage range.
Excellent dynamic characteristics of the device allow high speed switching with minimum attenuation to the signal eye diagram with little added jitter. It consumes < 2 mW of power when operational and has a shutdown mode exercisable by OEn pin resulting
< 2 µW.
PART NUMBER | PACKAGE | BODY SIZE (NOM) |
---|---|---|
HD3SS3411 | WQFN (14) | 3.50 mm x 3.50 mm |
HD3SS3411I |
DATE | REVISION | NOTES |
---|---|---|
November 2015 | * | Initial release. |
NAME | NO | TYPE | DESCRIPTION |
---|---|---|---|
Ap | 2 | I/O | Port A, High Speed Positive Signal |
An | 3 | I/O | Port A, High Speed Negative Signal |
Bp | 13 | I/O | Port B, High Speed Positive Signal |
Bn | 12 | I/O | Port B, High Speed Negative Signal |
Cp | 10 | I/O | Port C, High Speed Positive Signal |
Cn | 9 | I/O | Port C, High Speed Negative Signal |
GND | 5,8,11,14, Pad | G | Ground |
OEn | 1 | I | Active Low Chip Enable L: Normal operation H: Shutdown |
RSVD | 6 | I/O | Reserved Pin – connect or pull-down to GND |
SEL | 7 | I | Port select pin L: Port A to Port B H: Port A to Port C |
VCC | 4 | P | 3.3 V power |
MIN | MAX | UNIT | ||
---|---|---|---|---|
Supply voltage range (VCC) | Absolute minimum/maximum supply voltage range | –0.5 | 4 | V |
Voltage range | Differential I/O | –0.5 | 2.5 | V |
Control pin | –0.5 | VDD + 0.5 |
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 | ±500 |
MIN | NOM | MAX | UNIT | |||
---|---|---|---|---|---|---|
VCC | Supply voltage | 3 | 3.6 | V | ||
VIH | Input high voltage (SEL, OEn Pin) | 2 | VCC | V | ||
VIL | Input low voltage (SEL OEn Pin) | –0.1 | 0.8 | V | ||
VDiff | High speed signal pins differential voltage | 0 | 1.8 | VPP | ||
VCM | Common mode voltage (differential pins) | 0 | 2 | V | ||
TA | Operating free-air temperature | –40 | 105 | °C |
THERMAL METRIC(1) | HD3SS3411 | UNIT | |
---|---|---|---|
RWA (WQFN) | |||
14 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 50.5 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 63.1 | |
RθJB | Junction-to-board thermal resistance | 26.4 | |
ψJT | Junction-to-top characterization parameter | 2.2 | |
ψJB | Junction-to-board characterization parameter | 26.5 | |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | 7.3 |
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNITS | |
---|---|---|---|---|---|---|
ICC | Device active Current | VCC = 3.3 V, OEn = 0 | 0.6 | 0.8 | mA | |
ISTDN | Device shutdown Current | VCC = 3.3 V, OEn = 0 | 0.3 | 0.6 | µA | |
CON | Outputs ON Capacitance | 0.6 | pF | |||
RON | Output ON resistance | VCC = 3.3 V; VCM = 0 V to 2 V ; IO = –8 mA |
5 | 8 | Ω | |
ΔRON | On resistance match between pairs of the same channel | VCC = 3.3 V ; –0.35 V ≤ VIN ≤ 2.35 V; IO = –8 mA |
0.5 | Ω | ||
R(FLAT_ON) | On resistance flatness (RON(MAX) – RON(MAIN) |
VDD = 3.3 V; –0.35 V ≤ VIN ≤ 2.35 V | 1 | Ω | ||
IIH(CTRL) | Input high current, control pins (SEL, OEn) |
1 | µA | |||
IIL(CTRL) | Input low current, control pins (SEL, OEn) |
1 | µA | |||
IIH(HS) | Input high current, high speed pins | [A/B/C][p/n] VIN = 2 V for selected port, A and B with SEL= 0, and A and C with SEL = VCC | 1 | µA | ||
[A/B/C][p/n] VIN = 2 V for non-selected port, C with SEL= 0, and B with SEL = VCC (Note there is a 20 KΩ pull-down in non-selected port) |
100 | 140 | µA | |||
IIL(HS) | Input low current, high speed pins | [A/B/C][p/n] | 1 | µA | ||
High Speed Performance | ||||||
IL | Differential Insertion Loss | f = 0.3 MHz | –0.5 | dB | ||
f = 2.5 GHz | –0.7 | |||||
f = 4 GHz | –1.1 | |||||
BW | -3 dB Bandwidth | 7.5 | GHz | |||
RL | Differential return loss | f = 0.3 MHz | –26.4 | dB | ||
f = 2.5 GHz | –16.6 | |||||
f = 4 GHz | –11.3 | |||||
OI | Differential OFF isolation | f = 0.3 MHz | –75 | dB | ||
f = 2.5 GHz | –22 | |||||
f = 4 GHz | –19 | |||||
Xtalk | Differential Crosstalk | f = 4 GHz | –35 | dB |
MIN | NOM | MAX | UNIT | ||
---|---|---|---|---|---|
tPD | Switch propagation delay | 80 | ps | ||
tSW | Switching time | 0.5 | ns | ||
tSK_INTRA | Intra-pair output skew | 5 | ps |
The HD3SS3411 is a high-speed bi-directional passive switch in mux or demux configurations. Based on control pin SEL, the device switches one differential channels between Port B or Port C to Port A.
The HD3SS3411 is a generic analog differential passive switch that can work for any high speed interface applications as long as it is biased at a common mode voltage range of 0 V to 2 V and has differential signaling with differential amplitude up to 1800 mVpp. The device employs an adaptive tracking that ensures the channel remains unchanged for entire common mode voltage range.
PORT A CHANNEL | PORT B OR PORT C CHANNEL CONNECTED TO PORT A CHANNEL | |
---|---|---|
SEL = L | SEL = H | |
Ap | Bp | Cp |
An | Bn | Cn |
The HD3SS3411 has two power modes, normal operating mode and shutdown mode. During shutdown mode, the device consumes very-little current to save the maximum power. The OEn control pin is used to toggle between the two modes.
HD3SS3411 consumes < 2 mW of power when operational and has a shutdown mode exercisable by the OEn pin resulting < 20 µW.
The OEn control pin selects the functional mode of HD3SS3411. To enter standby/shutdown mode, the OEn control pin is pulled high through a resistor and must remain high. For active/normal operation, the OEn control pin should be pulled low to GND or dynamically controlled to switch between H or L.
OEn | Device State | Signal Pins |
---|---|---|
L | Normal | Normal |
H | Shutdown | Tri-stated |