The OPA1612-Q1 device is a dual, SoundPlus™, bipolar-input operational amplifierthat achieves achieve very low 1.1-nV/√Hz noise density with an ultralow distortion of 0.000015% at 1 kHz. The OPA1612-Q1 device offers rail-to-rail output swing to within 600 mV with a 2-kΩ load, which increases headroom and maximizes dynamic range. These devices also have a high output drive capability of ±30 mA.
These devices operate over a very wide supply range of ±2.25 V to ±18 V, on only 3.6 mA of supply current per channel. The OPA1612-Q1 op amp is unity-gain stable and provide excellent dynamic behavior over a wide range of load conditions.
The dual version features completely independent circuitry for lowest crosstalk and freedom from interactions between channels, even when overdriven or overloaded.
The OPA1612-Q1 device is available in a SOIC-8 package. The device is specified from –40°C to +125°C.
PART NUMBER | PACKAGE | BODY SIZE (NOM) |
---|---|---|
OPA1612-Q1 | SOIC (8) | 4.90 mm × 3.91 mm |
Changes from * Revision (November 2015) to A Revision
PIN | I/O | DESCRIPTION | |
---|---|---|---|
NO. | NAME | ||
1 | OUT A | O | Output, channel A |
2 | –IN A | I | Inverting input, channel A |
3 | +IN A | I | Noninverting input, channel A |
4 | V– | — | Negative (lowest) power supply |
5 | +IN B | I | Inverting input, channel B |
6 | –IN B | I | Noninverting input, channel B |
7 | OUT B | O | Output, channel B |
8 | V+ | — | Positive (highest) power supply |
MIN | MAX | UNIT | ||
---|---|---|---|---|
VS(2) | Supply voltage | 40 | V | |
Input voltage | (V–) – 0.5 | (V+) + 0.5 | V | |
Input current (all pins except power-supply pins) | ±10 | mA | ||
Output short-circuit(2) | Continuous | |||
TA | Operating temperature | –55 | 125 | °C |
TJ | Junction temperature | 200 | °C | |
Tstg | Storage temperature | –65 | 150 | °C |
VALUE | UNIT | |||
---|---|---|---|---|
V(ESD) | Electrostatic discharge | Human-body model (HBM), per AEC Q100-002(1) | ±3000 | V |
Charged-device model (CDM), per AEC Q100-011 | ±1000 |
MIN | NOM | MAX | UNIT | |
---|---|---|---|---|
Supply voltage (V+ – V–) | 4.5 (±2.25) | 36 (±18) | V | |
Specified temperature | –40 | 85 | °C |
THERMAL METRIC(1) | OPA1612-Q1 | UNIT | |
---|---|---|---|
D (SOIC) | |||
8 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 111.9 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 26.5 | °C/W |
RθJB | Junction-to-board thermal resistance | 0.8 | °C/W |
ψJT | Junction-to-top characterization parameter | 20.9 | °C/W |
ψJB | Junction-to-board characterization parameter | 1.6 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | — | °C/W |
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|
AUDIO PERFORMANCE | ||||||
THD+N | Total harmonic distortion + noise | G = +1, f = 1 kHz, VO = 3 VRMS | 0.000015% | |||
–136 | dB | |||||
IMD | Intermodulation distortion | SMPTE/DIN two-tone, 4:1 (60 Hz and 7 kHz), G = +1, VO = 3 VRMS |
0.000015% | |||
–136 | dB | |||||
DIM 30 (3-kHz square wave and 15-kHz sine wave), G = +1, VO = 3 VRMS | 0.000012% | |||||
–138 | dB | |||||
CCIF twin-tone (19 kHz and 20 kHz), G = +1, VO = 3 VRMS |
0.000008% | |||||
–142 | dB | |||||
FREQUENCY RESPONSE | ||||||
GBW | Gain-bandwidth product | G = 100 | 80 | MHz | ||
G = 1 | 40 | MHz | ||||
SR | Slew rate | G = –1 | 27 | V/μs | ||
Full-power bandwidth(1) | VO = 1 VPP | 4 | MHz | |||
Overload recovery time | G = –10 | 500 | ns | |||
Channel separation (dual) | f = 1 kHz | –130 | dB | |||
NOISE | ||||||
Input voltage noise | f = 20 Hz to 20 kHz | 1.2 | μVPP | |||
en | Input voltage noise density(2) | f = 10 Hz | 2 | nV/√Hz | ||
f = 100 Hz | 1.5 | nV/√Hz | ||||
f = 1 kHz | 1.1 | 1.5 | nV/√Hz | |||
In | Input current noise density | f = 10 Hz | 3 | pA/√Hz | ||
f = 1 kHz | 1.7 | pA/√Hz | ||||
OFFSET VOLTAGE | ||||||
VOS | Input offset voltage | VS = ±15 V | ±100 | ±500 | μV | |
dVOS/dT | VOS over temperature(2) | TA = –40°C to +125°C | 1 | 4 | μV/°C | |
PSRR | Power-supply rejection ratio | VS = ±2.25 V to ±18 V | 0.1 | 1 | μV/V | |
INPUT BIAS CURRENT | ||||||
IB | Input bias current | VCM = 0 V | ±60 | ±250 | nA | |
VCM = 0 V, DRG package only | ±60 | ±300 | nA | |||
IB over temperature(2) | TA = –40°C to +125°C | 350 | nA | |||
IOS | Input offset current | VCM = 0 V | ±25 | ±175 | nA | |
INPUT VOLTAGE RANGE | ||||||
VCM | Common-mode voltage range | (V–) + 2 | (V+) – 2 | V | ||
CMRR | Common-mode rejection ratio | (V–) + 2 V ≤ VCM ≤ (V+) – 2 V | 110 | 120 | dB | |
INPUT IMPEDANCE | ||||||
Differential | 20k || 8 | Ω || pF | ||||
Common-mode | 109 || 2 | Ω || pF | ||||
OPEN-LOOP GAIN | ||||||
AOL | Open-loop voltage gain | (V–) + 0.2 V ≤ VO ≤ (V+) – 0.2 V, RL = 10 kΩ | 114 | 130 | dB | |
(V–) + 0.6 V ≤ VO ≤ (V+) – 0.6 V, RL = 2 kΩ | 110 | 114 | dB | |||
OUTPUT | ||||||
VOUT | Voltage output | RL = 10 kΩ, AOL ≥ 114 dB | (V–) + 0.2 | (V+) – 0.2 | V | |
RL = 2 kΩ, AOL ≥ 110 dB | (V–) + 0.6 | (V+) – 0.6 | V | |||
IOUT | Output current | See Figure 27 | mA | |||
ZO | Open-loop output impedance | See Figure 28 | Ω | |||
ISC | Short-circuit current | Source, VS = ±18 V | 55 | mA | ||
Sink, VS = ±18 V | –62 | mA | ||||
CLOAD | Capacitive load drive | See Typical Characteristics | pF | |||
POWER SUPPLY | ||||||
VS | Specified voltage | ±2.25 | ±18 | V | ||
IQ | Quiescent current (per channel) | IOUT = 0 A | 3.6 | 4.5 | mA | |
IQ over Temperature(2) | TA = –40°C to +125°C | 5.5 | mA | |||
TEMPERATURE RANGE | ||||||
Specified range | –40 | 125 | °C | |||
Operating range | –55 | 125 | °C |
VOUT = 3VRMS | BW = 80 KHz | |
VOUT = 3VRMS | BW > 500 KHz | |
1-kHz Signal | BW = 80 KHz | RSOURCE = 0 Ω |
VOUT = 3.5 VRMS | VS = ±15 V | G = 1 |
VS = ±18 V | ||
VS = ±15 V | Both channels driven simultaneously | |
G = 1 | ||
G = –1 | CL = 50 pF | RL = 2 kΩ |