Overview
The OPA4197ID, part of the OPAx197 family, is a high-performance operational amplifier produced by Texas Instruments. This device is renowned for its outstanding DC precision and AC performance, making it ideal for high-voltage, industrial applications. The OPA4197ID offers rail-to-rail input/output, low offset voltage, and a wide bandwidth of 10 MHz. It is available in various standard packages, including SOIC-14, and is specified to operate over a temperature range of –40°C to +125°C.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Unity Gain Bandwidth (GBW) | 10 | 10 | MHz | ||
| Slew Rate (SR) | G = 1, 1-V step | 14 | 20 | V/μs | |
| Offset Voltage (Vos) | ±25 μV | ±100 μV | μV | ||
| Offset Voltage Drift | ±0.25 μV/°C | ±2.5 μV/°C | μV/°C | ||
| Input Bias Current | ±5 pA | pA | |||
| Common-Mode Rejection Ratio (CMRR) | 120 dB | dB | |||
| Supply Voltage Range | ±2.25 V to ±18 V, +4.5 V to +36 V | V | |||
| Quiescent Current per Amplifier (IQ) | IO = 0 A | 1 mA | 1.3 mA | 1.5 mA | mA |
| Output Current (ISC) | VS = ±2.25 V | ±65 mA | mA | ||
| Capacitive Load Drive | Up to 1 nF | nF | |||
| Operating Temperature Range | –40°C | +125°C | °C |
Key Features
- Rail-to-Rail Input and Output: Ensures maximum signal range and flexibility.
- Low Offset Voltage and Drift: ±25 μV typical offset voltage and ±0.25 μV/°C typical offset drift for high precision.
- High Slew Rate: 20 V/μs for fast signal response.
- High Output Current: ±65 mA to drive heavy loads.
- High Capacitive Load Drive: Up to 1 nF for stability in capacitive loads.
- Low Noise: 5.5 nV/√Hz at 1 kHz for minimal signal distortion.
- High Common-Mode Rejection Ratio (CMRR): 120 dB minimum for excellent noise rejection.
- Low Quiescent Current: 1 mA per amplifier for power efficiency.
- Wide Supply Voltage Range: ±2.25 V to ±18 V, +4.5 V to +36 V for versatility in different power supply configurations.
- EMI- and RFI-Filtered Inputs: For improved signal integrity in noisy environments.
Applications
- Industrial Automation: Suitable for high-voltage, high-precision applications in industrial control systems.
- Medical Equipment: Ideal for medical devices requiring high precision and low noise.
- Aerospace and Defense: Used in applications where high reliability and precision are critical.
- Test and Measurement Equipment: For building precise measurement instruments.
- Automotive Systems: Applicable in automotive systems requiring robust and high-performance operational amplifiers.
Q & A
- What is the typical offset voltage of the OPA4197ID?
The typical offset voltage of the OPA4197ID is ±25 μV.
- What is the slew rate of the OPA4197ID?
The slew rate of the OPA4197ID is 20 V/μs.
- What is the maximum output current of the OPA4197ID?
The maximum output current of the OPA4197ID is ±65 mA.
- What is the capacitive load drive capability of the OPA4197ID?
The OPA4197ID can drive capacitive loads up to 1 nF.
- What is the operating temperature range of the OPA4197ID?
The operating temperature range of the OPA4197ID is –40°C to +125°C.
- What are the package options available for the OPA4197ID?
The OPA4197ID is available in SOIC-14, among other standard packages.
- What is the common-mode rejection ratio (CMRR) of the OPA4197ID?
The CMRR of the OPA4197ID is 120 dB minimum.
- Does the OPA4197ID have EMI- and RFI-filtered inputs?
Yes, the OPA4197ID has EMI- and RFI-filtered inputs for improved signal integrity.
- What is the quiescent current per amplifier for the OPA4197ID?
The quiescent current per amplifier for the OPA4197ID is typically 1 mA.
- What are some typical applications of the OPA4197ID?
The OPA4197ID is typically used in industrial automation, medical equipment, aerospace and defense, test and measurement equipment, and automotive systems.
