Overview
The OPA2197IDGKT is a high-performance operational amplifier from Texas Instruments, part of the OPAx197 family. This device is known for its outstanding DC precision and AC performance, making it suitable for high-voltage, industrial applications. The OPA2197 offers rail-to-rail input/output, low offset voltage, and high output current, along with a high slew rate and capacitive load drive capability. It is available in various packages, including the VSSOP (8) package, and is specified to operate over a temperature range of –40°C to +125°C.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VS) | Dual supply | ±20 | V | ||
| Supply Voltage (VS) | Single supply | 40 | V | ||
| Input Offset Voltage (VOS) | VS = ±18 V, VCM = (V+) – 1.5 V | ±25 | ±100 | µV | |
| Input Offset Voltage Drift (dVOS/dT) | VS = ±18 V, VCM = (V+) – 3 V | ±0.25 | µV/°C | ||
| Unity Gain Bandwidth (GBW) | TA = 25°C, VCM = VOUT = VS / 2, RLOAD = 10 kΩ | 10 | MHz | ||
| Slew Rate (SR) | VS = ±18 V, G = 1, 10-V step | 20 | V/µs | ||
| Settling Time (ts) | To 0.01%, VS = ±18 V, G = 1, 10-V step | 1.4 | µs | ||
| Quiescent Current per Amplifier (IQ) | IO = 0 A, TA = 25°C | 1 | 1.3 | 1.5 | mA |
| Short-Circuit Current (ISC) | VS = ±2.25 V | ±65 | mA | ||
| Capacitive Load Drive (CLOAD) | See Typical Characteristics | 1 nF |
Key Features
- Rail-to-rail input/output capability
- Low input offset voltage (±25 µV typical) and low offset drift (±0.25 µV/°C typical)
- High unity gain bandwidth (10 MHz) and high slew rate (20 V/µs)
- High output current (±65 mA) and high capacitive load drive (up to 1 nF)
- Differential input-voltage range to the supply rail
- Operates over a wide temperature range (–40°C to +125°C)
- Available in various packages including SOIC (8) and VSSOP (8)
Applications
- High-voltage, industrial applications
- Multiplexed data-acquisition systems
- High-performance audio and video equipment
- Medical and test equipment
- Automotive and aerospace systems
Q & A
- What is the typical input offset voltage of the OPA2197?
The typical input offset voltage of the OPA2197 is ±25 µV.
- What is the slew rate of the OPA2197?
The slew rate of the OPA2197 is 20 V/µs.
- What is the maximum supply voltage for the OPA2197?
The maximum supply voltage for the OPA2197 is 40 V (single supply) or ±20 V (dual supply).
- What is the typical quiescent current per amplifier for the OPA2197?
The typical quiescent current per amplifier for the OPA2197 is 1.3 mA.
- What is the maximum short-circuit current of the OPA2197?
The maximum short-circuit current of the OPA2197 is ±65 mA.
- What is the capacitive load drive capability of the OPA2197?
The OPA2197 can drive capacitive loads up to 1 nF.
- What are the operating temperature ranges for the OPA2197?
The OPA2197 operates over a temperature range of –40°C to +125°C.
- In what packages is the OPA2197 available?
The OPA2197 is available in SOIC (8) and VSSOP (8) packages.
- What are some common applications for the OPA2197?
The OPA2197 is commonly used in high-voltage industrial applications, multiplexed data-acquisition systems, high-performance audio and video equipment, medical and test equipment, and automotive and aerospace systems.
- What is the unity gain bandwidth of the OPA2197?
The unity gain bandwidth of the OPA2197 is 10 MHz.
