Overview
The OPA196IDR from Texas Instruments is a single-channel, 36-V, low-power, rail-to-rail operational amplifier. This device is part of the OPAx196 family, which includes the OPA196, OPA2196, and OPA4196. The OPA196 is designed for high-voltage industrial applications and offers exceptional performance with very low offset voltage, low offset voltage drift, and low bias current. It is available in various packages, including SOIC, VSSOP, and SOT, making it versatile for different design needs.
Key Specifications
| Parameter | Typical | Maximum | Unit |
|---|---|---|---|
| Input Offset Voltage (VOS) | ±25 µV | ±100 µV | µV |
| Input Offset Voltage Drift (dVOS/dT) | ±0.5 µV/°C | µV/°C | |
| Bias Current | ±5 pA | pA | |
| Quiescent Current | 140 µA/channel | µA | |
| Supply Voltage Range | ±2.25 V to ±18 V (4.5 V to 36 V) | V | |
| Unity Gain Bandwidth (GBW) | 2.5 MHz | MHz | |
| Slew Rate | 7.5 V/µs (rising), 5.5 V/µs (falling) | V/µs | |
| Output Current | ±65 mA | mA | |
| Operating Temperature Range | –40°C to +125°C | °C |
Key Features
- Low offset voltage: ±25 µV (typical) and low offset voltage drift: ±0.5 µV/°C (typical)
- Low bias current: ±5 pA (typical)
- Low quiescent current: 140 µA/channel (typical)
- Rail-to-rail input and output capability
- High output current: ±65 mA
- High capacitive load drive: up to 1 nF
- Integrated electromagnetic interference (EMI) filtering
- Available in standard packages: SOIC, VSSOP, and SOT
Applications
The OPA196 is suitable for a variety of high-voltage industrial applications, including:
- High-voltage data acquisition systems
- Multiplexed input systems
- Bridge sensor and thermocouple applications
- Current sensing and optical sensing
- General-purpose amplification in industrial environments
Q & A
- What is the typical input offset voltage of the OPA196?
The typical input offset voltage is ±25 µV.
- What is the input offset voltage drift of the OPA196?
The input offset voltage drift is ±0.5 µV/°C (typical).
- What is the quiescent current of the OPA196?
The quiescent current is 140 µA/channel (typical).
- What is the supply voltage range for the OPA196?
The supply voltage range is ±2.25 V to ±18 V (4.5 V to 36 V).
- What is the unity gain bandwidth of the OPA196?
The unity gain bandwidth is 2.5 MHz.
- What is the slew rate of the OPA196?
The slew rate is 7.5 V/µs (rising) and 5.5 V/µs (falling).
- What is the maximum output current of the OPA196?
The maximum output current is ±65 mA.
- What is the operating temperature range for the OPA196?
The operating temperature range is –40°C to +125°C.
- Does the OPA196 have integrated EMI filtering?
- In what packages is the OPA196 available?
The OPA196 is available in SOIC, VSSOP, and SOT packages.
