Overview
The OPA2196IDR, produced by Texas Instruments, is a member of the OPAx196 family of operational amplifiers. This device is a 36-V, low-power, low offset voltage, rail-to-rail operational amplifier designed for high-voltage industrial applications. It features very low offset voltage, low offset voltage drift, and low bias current, making it a robust and high-performance option. The OPA2196IDR is available in various packages, including SOIC and VSSOP, and is specified to operate from –40°C to +125°C.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VS) | ±2.25 | ±18 | V | ||
| Input Offset Voltage (VOS) | VS = ±18 V, VCM = (V+) – 1.5 V | ±25 | ±100 | µV | |
| Input Offset Voltage Drift (dVOS/dT) | TA = –40°C to +125°C | ±0.5 | µV/°C | ||
| Unity Gain Bandwidth (GBW) | VS = ±18 V | 2.5 | MHz | ||
| Slew Rate (SR) | VS = ±18 V, G = 1, 10-V step | Rising: 7.5, Falling: 5.5 | V/µs | ||
| Quiescent Current per Amplifier (IQ) | IO = 0 A, TA = –40°C to +125°C | 140 | 200 | µA | |
| Short-Circuit Current (ISC) | VS = ±18 V | ±65 | mA | ||
| Capacitive Load Drive | Up to 1 nF | ||||
| Operating Temperature Range | –40 | +125 | °C |
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)
- Low quiescent current: 140 µA/channel (typical)
- High output current: ±65 mA
- High capacitive load drive: up to 1 nF
- Rail-to-rail input and output
- Differential input-voltage range to the supply rail
- Integrated electromagnetic interference (EMI) filtering
- Thermal protection and thermal hysteresis
Applications
The OPA2196IDR 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 sensor applications
- Industrial control systems
Q & A
- What is the typical input offset voltage of the OPA2196IDR?
The typical input offset voltage is ±25 µV.
- What is the maximum operating temperature of the OPA2196IDR?
The maximum operating temperature is +125°C.
- How many channels does the OPA2196IDR have?
The OPA2196IDR has 2 channels.
- What is the quiescent current per amplifier for the OPA2196IDR?
The quiescent current per amplifier is typically 140 µA.
- What is the short-circuit current of the OPA2196IDR?
The short-circuit current is ±65 mA.
- Can the OPA2196IDR drive high capacitive loads?
Yes, it can drive up to 1 nF of capacitive load.
- What is the unity gain bandwidth of the OPA2196IDR?
The unity gain bandwidth is typically 2.5 MHz.
- Does the OPA2196IDR have integrated EMI filtering?
Yes, it has integrated electromagnetic interference (EMI) filtering.
- What is the operating supply voltage range for the OPA2196IDR?
The operating supply voltage range is from ±2.25 V to ±18 V.
- Is the OPA2196IDR suitable for high-voltage industrial applications?
Yes, it is specifically designed for high-voltage industrial applications.
