

Overview
The OPA1656ID is an audio Amplifier made by Texas Instruments in a SOIC-8 package with 8 pins. -18V~-2.25V、2.25V~18V -40℃~+125℃ 100mA 120dB 1mV 2 20pA 20pA 24V/us 2uV/℃ 3.9mA 4.3nV/√Hz@1kHz 4.5V~36V 53MHz Rail-to-rail output SOIC-8 FET Input Amplifiers ROHS.
PCBKit's library has its KiCad symbol (Amplifier_Operational:OPA1656ID, from KiCad's library) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 1,814 are in stock at JLCPCB (part C1849431). 52 open-source boards in 25 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
13- Supply, least
- 4.5 V · V+, single supply, recommended minimum relative to V– · p. 4
- Supply, most
- 36 V · V+, single supply, recommended maximum relative to V– · p. 4
- Supply, least
- 2.25 V · V+/V–, dual supply, recommended minimum rail magnitude · p. 4
- Supply, most
- 18 V · V+/V–, dual supply, recommended maximum rail magnitude · p. 4
- Supply, absolute maximum
- 40 V · V+ minus V–, absolute maximum · p. 4
- Works from
- -40 °C · Operating free-air temperature, recommended minimum · p. 4
- Works up to
- 125 °C · Operating free-air temperature, recommended maximum · p. 4
- Junction, hottest
- 150 °C · Junction temperature, absolute maximum · p. 4
- Takes working
- 7.8 mA · sum of two channels' typical quiescent current, IO = 0 A · p. 7
- Takes at most
- 10 mA · sum of two channels' maximum quiescent current, –40°C to +125°C · p. 7
- Junction to air (D (SOIC))
- 119.9 K/W · Junction-to-ambient thermal resistance · p. 5
- Junction to case (D (SOIC))
- 51.8 K/W · Junction-to-case (top) thermal resistance · p. 5
- Junction to board (D (SOIC))
- 65.4 K/W · Junction-to-board thermal resistance · p. 5
What it is and has
11- Channels and package
- Dual, D (SOIC, 8) · p. 1
- Voltage noise
- 2.9 nV/√Hz at 10 kHz · p. 1
- Current noise
- 6 fA/√Hz at 1 kHz · p. 1
- Open-loop gain
- 150 dB · p. 1
- Output current
- 100 mA · p. 1
- Input bias current
- 10 pA · p. 1
- Slew rate
- 24 V/μs · p. 1
- Gain bandwidth product
- 53 MHz · p. 1
- Output swing
- Rail-to-rail output · p. 1
- Quiescent current
- 3.9 mA per channel · p. 1
- Protection
- Internal phase-reversal protection · p. 15
Around it
1- cap 0.1 µF
- between V+ and ground; Low-ESR ceramic bypass capacitor, placed as close to the device as possible. · p. 27
Specifications
46| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Supply voltage, VS = (V+) – (V–) VS | Over operating free-air temperature range | max 40 V | 4 |
| Input (all pins except power-supply pins) | Current; over operating free-air temperature range | min -10 · max 10 mA | 4 |
| Operating, TA TA | Temperature | min -55 · max 125 °C | 4 |
| Junction, TJ TJ | Temperature | max 150 °C | 4 |
| Storage, Tstg Tstg | Temperature | min -65 · max 150 °C | 4 |
| Supply voltage VS | Single supply; over operating free-air temperature range | min 4.5 · max 36 V | 4 |
| Operating temperature TA | Free-air temperature | min -40 · max 125 °C | 4 |
| Junction-to-ambient thermal resistance RθJA | OPA1656, D (SOIC), 8 PINS | typ 119.9 °C/W | 5 |
| Junction-to-case (top) thermal resistance RθJC(top) | OPA1656, D (SOIC), 8 PINS | typ 51.8 °C/W | 5 |
| Junction-to-board thermal resistance RθJB | OPA1656, D (SOIC), 8 PINS | typ 65.4 °C/W | 5 |
| Junction-to-top characterization parameter ψJT | OPA1656, D (SOIC), 8 PINS | typ 10 °C/W | 5 |
| Junction-to-board characterization parameter ψJB | OPA1656, D (SOIC), 8 PINS | typ 64.2 °C/W | 5 |
| Total harmonic distortion + noise THD+N | TA = 25°C, VS = ±18 V; G = 1, RL = 600 Ω, VO = 3.5 VRMS, f = 1 kHz, 80-kHz measurement bandwidth | typ 0.000029 % | 6 |
| Total harmonic distortion + noise THD+N | TA = 25°C, VS = ±18 V; G = 1, RL = 600 Ω, VO = 3.5 VRMS, f = 1 kHz, 80-kHz measurement bandwidth | typ -131 dB | 6 |
| Total harmonic distortion + noise THD+N | TA = 25°C, VS = ±18 V; G = 1, RL = 600 Ω, VO = 3.5 VRMS, f = 20 kHz, 80-kHz measurement bandwidth | typ 0.0001 % | 6 |
| Total harmonic distortion + noise THD+N | TA = 25°C, VS = ±18 V; G = 1, RL = 600 Ω, VO = 3.5 VRMS, f = 20 kHz, 80-kHz measurement bandwidth | typ -120 dB | 6 |
| Total harmonic distortion + noise THD+N | TA = 25°C, VS = ±18 V; G = 1, RL = 2 kΩ, VO = 3.5 VRMS, f = 1 kHz, 80-kHz measurement bandwidth | typ 0.000029 % | 6 |
| Total harmonic distortion + noise THD+N | TA = 25°C, VS = ±18 V; G = 1, RL = 2 kΩ, VO = 3.5 VRMS, f = 1 kHz, 80-kHz measurement bandwidth | typ -131 dB | 6 |
| Total harmonic distortion + noise THD+N | TA = 25°C, VS = ±18 V; G = 1, RL = 2 kΩ, VO = 3.5 VRMS, f = 20 kHz, 80-kHz measurement bandwidth | typ 0.000035 % | 6 |
| Total harmonic distortion + noise THD+N | TA = 25°C, VS = ±18 V; G = 1, RL = 2 kΩ, VO = 3.5 VRMS, f = 20 kHz, 80-kHz measurement bandwidth | typ -129 dB | 6 |
| Intermodulation distortion IMD | TA = 25°C, VS = ±18 V, RL = 2 kΩ; G = 1, VO = 3.5 VRMS, SMPTE/DIN two-tone, 4:1 (60 Hz and 7 kHz) | typ 0.000018 % | 6 |
| Intermodulation distortion IMD | TA = 25°C, VS = ±18 V, RL = 2 kΩ; G = 1, VO = 3.5 VRMS, SMPTE/DIN two-tone, 4:1 (60 Hz and 7 kHz) | typ -135 dB | 6 |
| Intermodulation distortion IMD | TA = 25°C, VS = ±18 V, RL = 2 kΩ; G = 1, VO = 3.5 VRMS, CCIF twin-tone (19 kHz and 20 kHz) | typ 0.00002 % | 6 |
| Intermodulation distortion IMD | TA = 25°C, VS = ±18 V, RL = 2 kΩ; G = 1, VO = 3.5 VRMS, CCIF twin-tone (19 kHz and 20 kHz) | typ -134 dB | 6 |
| Gain-bandwidth product GBW | TA = 25°C, VS = ±18 V, RL = 2 kΩ, VCM = VOUT = VS/2; G = 100 | typ 53 MHz | 6 |
| Unity gain bandwidth GBW | TA = 25°C, VS = ±18 V, RL = 2 kΩ, VCM = VOUT = VS/2; G = 1 | typ 20 MHz | 6 |
| Slew rate SR | TA = 25°C, VS = ±18 V, RL = 2 kΩ; G = –1, 10-V step | typ 24 V/us | 6 |
| Full-power bandwidth(1) | TA = 25°C, VS = ±18 V, RL = 2 kΩ; VO = 1 VP | typ 3.8 MHz | 6 |
| Overload recovery time | TA = 25°C, VS = ±18 V, RL = 2 kΩ; G = –10 | typ 100 ns | 6 |
| Channel separation | TA = 25°C, VS = ±18 V, RL = 2 kΩ, VCM = VOUT = VS/2; f = 1 kHz | typ -135 dB | 6 |
| Settling time | TA = 25°C, VS = ±18 V, RL = 2 kΩ; 0.01%, G = –1, 10-V step | typ 800 ns | 6 |
| Input voltage noise | TA = 25°C, VS = ±18 V, RL = 2 kΩ, VCM = VOUT = VS/2; f = 20 Hz to 20 kHz | typ 0.53 uVRMS | 6 |
| Input voltage noise | TA = 25°C, VS = ±18 V, RL = 2 kΩ, VCM = VOUT = VS/2; f = 0.1 Hz to 10 Hz | typ 1.9 uVPP | 6 |
| Input voltage noise density en | TA = 25°C, VS = ±18 V, RL = 2 kΩ, VCM = VOUT = VS/2; f = 100 Hz | typ 11.8 nV/√Hz | 6 |
| Input voltage noise density en | TA = 25°C, VS = ±18 V, RL = 2 kΩ, VCM = VOUT = VS/2; f = 1 kHz | typ 4.3 nV/√Hz | 6 |
| Input voltage noise density en | TA = 25°C, VS = ±18 V, RL = 2 kΩ, VCM = VOUT = VS/2; f = 10 kHz | typ 2.9 nV/√Hz | 6 |
| Input current noise density in | TA = 25°C, VS = ±18 V, RL = 2 kΩ, VCM = VOUT = VS/2; f = 1 kHz | typ 6 fA/√Hz | 6 |
| Input offset voltage drift(2) dVOS/dT | VS = ±2.25 V to ±18 V, TA = –40°C to +125°C, RL = 2 kΩ, VCM = VOUT = VS/2 | typ 0.3 · max 2 uV/°C | 6 |
| Power-supply rejection ratio PSRR | TA = 25°C, RL = 2 kΩ, VCM = VOUT = VS/2; VS = ±2.25 V to ±18 V | typ 0.3 · max 5 uV/V | 6 |
| Common-mode rejection ratio CMRR | TA = 25°C, VS = ±18 V, RL = 2 kΩ; (V–) ≤ VCM ≤ (V+) – 2.25 | min 106 · typ 120 dB | 6 |
| Open-loop voltage gain AOL | TA = 25°C, VS = ±18 V; (V–) + 1.3 V ≤ VO ≤ (V+) – 1.3 V, RL = 600 Ω | min 134 · typ 150 dB | 6 |
| Open-loop voltage gain AOL | TA = 25°C, VS = ±18 V; (V–) + 0.5 V ≤ VO ≤ (V+) – 0.5 V, RL = 2 kΩ | min 134 · typ 154 dB | 6 |
| Open-loop output impedance ZO | TA = 25°C, VS = ±18 V, RL = 2 kΩ, VCM = VOUT = VS/2; f = 1 MHz | typ 26 Ω | 7 |
| Capacitive load drive CL | TA = 25°C, VS = ±18 V, RL = 2 kΩ, VCM = VOUT = VS/2 | typ 100 pF | 7 |
| Quiescent current (per channel) IQ | TA = 25°C, RL = 2 kΩ, VCM = VOUT = VS/2; IO = 0 A, VS = ±2.25 V to ±18 V | typ 3.9 · max 4.6 mA | 7 |
| Quiescent current (per channel) IQ | VS = ±18 V, RL = 2 kΩ, VCM = VOUT = VS/2; IO = 0 A, TA = –40°C to +125°C(2) | max 5 mA | 7 |
Pins, by the datasheet
8- 1 OUT A
- Output, channel A · p. 3
- 2 –IN A
- Inverting input, channel A · p. 3
- 3 +IN A
- Noninverting input, channel A · p. 3
- 4 V–
- Negative (lowest) power supply · p. 3
- 5 +IN B
- Noninverting input, channel B · p. 3
- 6 –IN B
- Inverting input, channel B · p. 3
- 7 OUT B
- Output, channel B · p. 3
- 8 V+
- Positive (highest) power supply · p. 3
Ordering codes, by the datasheet
6- OPA1656ID
- SOIC (D) · 8 pins; 75 units, tube; operating temperature -40 to 125 °C · p. 31
- OPA1656ID.B
- SOIC (D) · 8 pins; 75 units, tube; operating temperature -40 to 125 °C · p. 31
- OPA1656IDR
- SOIC (D) · 8 pins; 2500 units, large tape and reel; operating temperature -40 to 125 °C · p. 31
- OPA1656IDR.B
- SOIC (D) · 8 pins; 2500 units, large tape and reel; operating temperature -40 to 125 °C · p. 31
- OPA1656IDRG4
- SOIC (D) · 8 pins; 2500 units, large tape and reel; operating temperature -40 to 125 °C · p. 31
- OPA1656IDRG4.B
- SOIC (D) · 8 pins; 2500 units, large tape and reel; operating temperature -40 to 125 °C · p. 31
Parameters
23- Common Mode Rejection Ratio(CMRR)
- 120dB
- Current - Supply
- 7.8mA
- Current - Supply(Max)
- 10mA
- Dual Supply
- -18V~-2.25V
- Gain Bandwidth Product
- 53MHz
- Ib - Input Bias Current
- 20pA
- Input Offset Current(Ios)
- 20pA
- Input Offset Voltage Drift(Vos TC)
- 2uV/℃
- Junction Temperature(Max)
- 150℃
- Noise density(eN)
- 4.3nV/√Hz@1kHz
- Number of Channels
- 2
- Operating Temperature
- -40℃~+125℃
- Output Current
- 100mA
- Quiescent Current(Iq)
- 3.9mA
- Rail To Rail
- Rail-to-rail output
- Single Supply
- 4.5V~36V
- Slew Rate
- 24V/us
- Thermal Resistance(Junction to Ambient)
- 119.9℃/W
- Thermal Resistance(Junction to Board)
- 65.4℃/W
- Thermal Resistance(Junction to Case)
- 51.8℃/W
- Voltage - Supply
- 2.25V~36V
- Voltage - Supply(Absolute Max)
- 40V
- Vos - Input Offset Voltage
- 1mV
Order codes
2- OPA1656IDLCSC C1346368
- OPA1656IDRLCSC C1849431
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | — | Output |
| 2 | - | Input |
| 3 | + | Input |
| 4 | V- | Power in |
| 5 | + | Input |
| 6 | - | Input |
| 7 | — | Output |
| 8 | V+ | Power in |
Open-source boards using it
All 52- 4 layers241.7 × 56.7 mm

- 2 layers148.3 × 108.4 mm

RJ Schematic v1.0
Jscott44/RTEP5-the-raspberry-jam
Realtime digital guitar effects pedal designed for Raspberry PI, written in C++
121 parts13MIT - 2 layers32 × 68.5 mm

- 4 layers66 × 46 mm

Radar1
HearnChristian/k-band-fmcw-radar
24 GHz FMCW radar front-end in KiCad (WIP): ADF4159 chirp synth, BGT24LTR11 transceiver, custom Marki AMM-8211PSM driver-amp symbol/footprint, OPA1656 IF, ADS8353 ADC, FT2232H USB.
99 parts3 - 4 layers260 × 110 mm

Pandore
filliformes/pandore
pandore is an open-source digital audio instrument protyping platform based on the LattePanda Mu.
804 parts2 - 6 layers150 × 63 mm

Native refill export
AxelMcKenna/AFX-1000
RMX-1000-inspired effects processor for macOS, AU and VST3, built on a shared C++20 engine. Standalone Daisy Seed 3 hardware with two main PCBs and a custom housing is in development.
334 parts1 - 4 layers154 × 81 mm

System candidate
bernardopg/ps28-modern-amp
Infinity Primus PS28 amplifier modernization: TPA3255 engineering, validation and safety-gated workflow
269 parts1 - 4 layers100 × 100 mm

Pcb AMY
Rivercraft911/R-01_Raster_Laser_Projector
Red, blue and green lasers combine through two dichroc mirrors and bounce off a spinning polygon mirror, which each mirror facet makes one scanline.
159 parts1
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/ti/OPA1656ID" title="OPA1656ID in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/OPA1656ID.jpg" alt="OPA1656ID" width="1200" height="900">[](https://pcbkit.io/parts/ti/OPA1656ID)Questions
Is there a KiCad symbol and footprint for the OPA1656ID?
Yes. The symbol is Amplifier_Operational:OPA1656ID and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the OPA1656ID?
SOIC-8, with 8 pins. Its footprint is drawn on this page.
Where is the OPA1656ID datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the OPA1656ID?
JLCPCB lists it as part C1849431, with 1,814 in stock; the sellers' links on this page open their listings.
What can replace the OPA1656ID?
Parts like it in the library: the OPA2613ID by Texas Instruments, the TC8002D by FM, the LM833D by onsemi and the LM4871MX by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the OPA1656ID?
52 boards in 25 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8OPA2613ID
SOIC-8-40℃~+85℃ -6V~-2.5V、2.5V~6V 1.8nV/√Hz@10kHz 100dB 125MHz 12mA 1mV 2 3.3uV/℃ 300nA 350mA 5V~12V 6uA 70V/us SOIC-8 Operational Amplifier ROHSTexas InstrumentsAudio AmplifiersTC8002D
SOIC-8-65℃~+150℃ 0.25% 1-Channel 2V~5.5V 3Wx1@3Ω 6.5mA 60dB Enable/shutdown function SOIC-8 Audio Amplifiers ROHSFMAudio AmplifiersLM833D
SOIC-8-40℃~+85℃ 0.002% 115dB 2-Channel 4mA ESD protection SOIC-8 Audio Amplifiers ROHSonsemiAudio AmplifiersLM4871MX
SOIC-8-40℃~+85℃ 0.25% 1-Channel 2V~5.5V 3Wx1@3Ω 6.5mA 60dB Class AB Enable/shutdown function、ESD protection、Analog voltage gain SOIC-8 Audio Amplifiers ROHSTexas InstrumentsAudio AmplifiersFM8002E
SOP-8-150mil-40℃~+85℃ 0.1% 1.6V~6V 4.4mA 60dB Automatic mute/no-noise switch、Enable/shutdown function SOP-8-150mil Audio Amplifiers ROHSShenzhen Fuman ElecAudio AmplifiersOPA1612AID
SOIC-8-2.25V~18V -40℃~+85℃ 0.000015% 2 Pairs Differential Inputs 2-Channel 3.6mA ESD protection SOIC-8 Audio Amplifiers ROHSTexas InstrumentsAudio AmplifiersOPA1642AID
SOIC-8-18V~-2.25V、2.25V~18V -40℃~+85℃ 0.00005% 1.8mA 2 Pairs Differential Inputs 2-Channel Overvoltage protection SOIC-8 Audio Amplifiers ROHSTexas InstrumentsAudio AmplifiersLM4808MX
SOIC-8-40℃~+85℃ 0.1% 1.2mA 105dB 150mWx2@16Ω 2-Channel 2V~5.5V 89dB Automatic mute/no-noise switch Class AB SOIC-8 Audio Amplifiers ROHSTexas InstrumentsAudio Amplifiers