Specifications
| Type | Description |
|---|---|
| Part Number | OPA376 |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | OPA376: SOIC-8 4.90 mm x 3.91 mm, SOT-23-5 2.90 mm x 1.60 mm, SC70-5 2.00 mm x 1.25 mm; OPA2376: SOIC-8 4.90 mm x 3.91 mm, VSSOP-8 3.00 mm x 3.00 mm, DSBGA-8 1.30 mm x 2.30 mm; OPA4376: TSSOP-14 5.00 mm x 4.40 mm |
| Amplifier Channels, OPA376 Single Version | 1 |
| Amplifier Channels, OPA2376 Dual Version | 2 |
| Amplifier Channels, OPA4376 Quad Version | 4 |
| Supply Voltage Range | 2.2 V to 5.5 V |
| Supply Voltage Absolute Maximum | 7 V |
| Operating Temperature Range | -40°C to +150°C |
| Operating Temperature Absolute Maximum | -40°C to +150°C |
| Junction Temperature Maximum | 150°C |
| Storage Temperature Range | -65°C to +150°C |
| Signal Input Voltage Range Absolute Maximum | (V-) - 0.5 V to (V+) + 0.5 V |
| Signal Input Current Absolute Maximum | -10 mA to +10 mA |
| Output Short-Circuit Rating | Continuous |
| ESD HBM Rating | ±4000 V |
| ESD CDM Rating | ±1000 V |
| ESD Machine Model Rating | ±200 V |
| Input Offset Voltage | 5 µV typ, 25 µV max |
| Input Offset Voltage Drift, -40°C to +85°C | 0.26 µV/°C typ, 1 µV/°C max |
| Input Offset Voltage Drift, -40°C to +125°C | 0.32 µV/°C typ, 2 µV/°C max |
| Power-Supply Rejection Ratio as Offset Shift, 25°C | 5 µV/V typ, 20 µV/V max |
| Power-Supply Rejection Ratio as Offset Shift, -40°C to +125°C | 5 µV/V typ |
| DC Channel Separation | 0.5 mV/V typ |
| Input Bias Current | 0.2 pA typ, 10 pA max |
| Input Offset Current | 0.2 pA typ, 10 pA max |
| Input Voltage Noise | 0.8 µVPP |
| Input Voltage Noise Density | 7.5 nV/√Hz |
| Input Current Noise | 2 fA/√Hz |
| Common-Mode Voltage Range | (V-) - 0.1 V to (V+) + 0.1 V |
| Common-Mode Rejection Ratio | 76 dB min, 90 dB typ |
| Differential Input Capacitance | 6.5 pF typ |
| Common-Mode Input Capacitance | 13 pF typ |
| Open-Loop Voltage Gain, RL = 10 kΩ | 120 dB min, 134 dB typ |
| Open-Loop Voltage Gain, RL = 2 kΩ | 120 dB min, 126 dB typ |
| Gain-Bandwidth Product | 5.5 MHz typ |
| Slew Rate | 2 V/µs typ |
| Settling Time to 0.1% | 1.6 µs typ |
| Settling Time to 0.01% | 2 µs typ |
| Overload Recovery Time | 0.33 µs typ |
| Total Harmonic Distortion Plus Noise | 0.00027% typ |
| Output Swing from Rail, 10 kΩ Standard Packages at 25°C | 10 mV typ, 20 mV max |
| Output Swing from Rail, 10 kΩ DSBGA at 25°C | 20 mV typ, 30 mV max |
| Output Swing from Rail, 10 kΩ -40°C to +125°C | 40 mV max |
| Output Swing from Rail, 2 kΩ Standard Packages at 25°C | 40 mV typ, 50 mV max |
| Output Swing from Rail, 2 kΩ DSBGA at 25°C | 50 mV typ, 60 mV max |
| Output Swing from Rail, 2 kΩ -40°C to +125°C | 80 mV max |
| Short-Circuit Current | +30 mA, -50 mA typ |
| Quiescent Current | 760 µA typ, 950 µA max |
| Datasheet Status | request_only |
Product Overview
Texas Instruments OPA376 is a precision rail-to-rail operational amplifier in the Signal_Chain category. The OPA376 is the single-channel version, while OPA2376 and OPA4376 provide dual- and quad-channel configurations. The recommended supply voltage range is 2.2 V to 5.5 V, with an absolute maximum supply rating of 7 V.
The device is specified for -40°C to +150°C free-air operation, with 150°C maximum junction temperature and -65°C to +150°C storage range. Precision parameters include 5 µV typical and 25 µV maximum input offset voltage at 25°C, 0.26 µV/°C typical drift from -40°C to +85°C, and 0.32 µV/°C typical drift from -40°C to +125°C.
Dynamic and output characteristics include 5.5 MHz typical gain-bandwidth product, 2 V/µs typical slew rate, 1.6 µs typical settling to 0.1%, 0.00027% typical THD+N, and rail output swing measured from 10 mV typical under 10 kΩ loading. OPA376 package options include SOIC-8, SOT-23-5, and SC70-5, supporting compact precision signal-conditioning layouts.
Key Features
- Single, dual, and quad amplifier family options
- 2.2 V to 5.5 V recommended supply range
- -40°C to +150°C recommended operating temperature range
- 5 µV typical, 25 µV maximum input offset voltage
- 0.8 µVPP input voltage noise from 0.1 Hz to 10 Hz
- 5.5 MHz typical gain-bandwidth product at 5.5 V
- 2 V/µs typical slew rate with 100 pF load
- 0.00027% typical THD+N at 1 kHz
- 10 mV typical rail swing with 10 kΩ load
- 760 µA typical, 950 µA maximum quiescent current
Typical Applications
- Precision sensor signal conditioning
- Low-offset analog front ends
- Rail-to-rail voltage buffering
- Low-noise measurement circuits
- Single-supply signal chain stages
- Multi-channel amplifier designs
Procurement Notes
When requesting a quote for OPA376, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What supply voltage range does the OPA376 support?
The OPA376 is specified for a recommended supply voltage range of 2.2 V to 5.5 V. The absolute maximum supply rating is 7 V for VS measured as (V+) minus (V-).
How many amplifier channels are available in this family?
The OPA376 is the single-channel version. The related OPA2376 provides two amplifier channels, and the OPA4376 provides four amplifier channels, according to the family channel configurations.
What packages are listed for the OPA376?
OPA376 package options include SOIC-8 at 4.90 mm x 3.91 mm, SOT-23-5 at 2.90 mm x 1.60 mm, and SC70-5 at 2.00 mm x 1.25 mm.
What are the key precision specifications for OPA376?
Key precision specifications include 5 µV typical and 25 µV maximum input offset voltage, 0.2 pA typical input bias current, 7.5 nV/√Hz input voltage noise density, and 120 dB minimum open-loop voltage gain.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.