Overview
The OP07CDRE4, produced by Texas Instruments, is a precision operational amplifier that belongs to the OP07x series. This device is renowned for its low offset and long-term stability, achieved through a low-noise, chopperless, bipolar-input-transistor amplifier circuit. The OP07CDRE4 is designed to offer high performance in various applications, including those requiring low noise, wide input-voltage range, and excellent common-mode rejection ratio (CMRR).
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (Single) | 6 | 36 | V | |
| Supply Voltage (Dual) | ±3 | ±18 | V | |
| Operating Ambient Temperature | 0 | 70 | °C | |
| Input Bias Current | ±1.8 | ±2.2 | nA | |
| Input Offset Current | ±0.8 | ±1.6 | nA | |
| Input Voltage Noise (0.1 Hz to 10 Hz) | 0.38 | μVpp | ||
| Input Voltage Noise Density (10 Hz) | 10.5 | nV/√Hz | ||
| Common-Mode Input Voltage | ±13 | ±14 | V | |
| Common-Mode Rejection Ratio (CMRR) | 97 | 120 | dB | |
| Open-Loop Gain | 100 | 400 | V/mV | |
| Slew Rate | 0.3 | 0.6 | V/μs | |
| Unity Gain Bandwidth | 0.4 | 0.6 | MHz |
Key Features
- Low noise and low input offset voltage, ensuring high accuracy in various applications.
- No external components required for offset nulling and frequency compensation, simplifying circuit design.
- Wide input-voltage range: 0 V to ±14 V (typical, ±15-V supply), and wide supply-voltage range: ±3 V to ±18 V.
- High common-mode rejection ratio (CMRR) of up to 120 dB, providing maximum flexibility and performance in high-noise environments.
- Low bias currents and extremely high input impedances maintained over the entire temperature range).
- True differential input with outstanding CMRR, making it suitable for noninverting applications.
Applications
- Analog input modules and battery test equipment.
- Lab and field instrumentation, including temperature transmitters and sensors.
- Wireless base station control circuits and optical network control circuits.
- Thermocouples, resistor thermal detectors (RTDs), strain bridges, and shunt current measurements.
- Precision filters and high-gain instrumentation applications.
Q & A
- What is the typical supply voltage range for the OP07CDRE4?
The typical supply voltage range for the OP07CDRE4 is ±3 V to ±18 V.
- What is the input bias current of the OP07CDRE4?
The input bias current of the OP07CDRE4 is typically ±1.8 nA to ±2.2 nA.
- Does the OP07CDRE4 require external components for offset nulling and frequency compensation?
No, the OP07CDRE4 does not require external components for offset nulling and frequency compensation in most applications.
- What is the common-mode rejection ratio (CMRR) of the OP07CDRE4?
The CMRR of the OP07CDRE4 is up to 120 dB.
- What are some typical applications of the OP07CDRE4?
The OP07CDRE4 is used in analog input modules, battery test equipment, lab and field instrumentation, temperature transmitters, and high-gain instrumentation applications.
- What is the slew rate of the OP07CDRE4?
The slew rate of the OP07CDRE4 is typically 0.3 V/μs to 0.6 V/μs.
- What is the unity gain bandwidth of the OP07CDRE4?
The unity gain bandwidth of the OP07CDRE4 is typically 0.4 MHz to 0.6 MHz.
- What is the operating ambient temperature range for the OP07CDRE4?
The operating ambient temperature range for the OP07CDRE4 is 0°C to 70°C.
- What is the input voltage noise of the OP07CDRE4?
The input voltage noise of the OP07CDRE4 is typically 0.38 μVpp from 0.1 Hz to 10 Hz.
- What is the open-loop gain of the OP07CDRE4?
The open-loop gain of the OP07CDRE4 is typically 100 V/mV to 400 V/mV.
