Overview
The OPA4196IDR from Texas Instruments is a quad, 36-V, low-power, all-purpose operational amplifier. It is part of the OPAx196 family, which includes the OPA196 and OPA2196. This device is known for its low offset voltage, low offset voltage drift, and low bias current, making it suitable for high-voltage industrial applications. The OPA4196IDR is available in a 14-pin SOIC (D) package and is specified to operate from –40°C to +125°C.
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 | |
| Common-Mode Rejection Ratio (CMRR) | 140 dB | dB | |
| Noise Voltage (at 1 kHz) | 15 nV/√Hz | nV/√Hz | |
| 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 | |
| Quiescent Current per Amplifier | 140 µA | 200 µA | µA |
| Operating Temperature Range | –40°C to +125°C | °C | |
| Supply Voltage Range | ±2.25 V to ±18 V (4.5 V to 36 V single supply) | V |
Key Features
- Low offset voltage: ±25 µV (typical), ±100 µV (maximum)
- Low offset voltage drift: ±0.5 µV/°C (typical)
- Low bias current: ±5 pA (typical)
- High common-mode rejection ratio: 140 dB
- Low noise: 15 nV/√Hz at 1 kHz
- High output current: ±65 mA
- High capacitive load drive: up to 1 nF
- Rail-to-rail input and output
- Thermal protection with thermal hysteresis
Applications
- High-voltage industrial applications
- Multiplexed data-acquisition systems
- High-voltage level translation
- Bridge sensor and thermocouple interfaces
- Current sensing and optical sensor interfaces
Q & A
- What is the typical input offset voltage of the OPA4196IDR?
The typical input offset voltage is ±25 µV.
- What is the maximum operating temperature range for the OPA4196IDR?
The operating temperature range is from –40°C to +125°C.
- What is the common-mode rejection ratio (CMRR) of the OPA4196IDR?
The CMRR is 140 dB.
- How much noise does the OPA4196IDR typically produce at 1 kHz?
The noise voltage at 1 kHz is typically 15 nV/√Hz.
- What is the unity gain bandwidth of the OPA4196IDR?
The unity gain bandwidth is 2.5 MHz.
- What is the slew rate of the OPA4196IDR?
The slew rate is 7.5 V/µs (rising) and 5.5 V/µs (falling).
- What is the maximum output current of the OPA4196IDR?
The maximum output current is ±65 mA.
- What is the quiescent current per amplifier for the OPA4196IDR?
The quiescent current per amplifier is typically 140 µA.
- What are some common applications of the OPA4196IDR?
Common applications include high-voltage industrial applications, multiplexed data-acquisition systems, high-voltage level translation, bridge sensor and thermocouple interfaces, and current sensing and optical sensor interfaces.
- What package options are available for the OPA4196IDR?
The OPA4196IDR is available in a 14-pin SOIC (D) package and a 14-pin TSSOP (PW) package.
