Overview
The OP07CDRG4, produced by Texas Instruments, is a precision operational amplifier known for its low offset voltage and long-term stability. This device is part of the OP07x family, which includes the OP07C and OP07D models. The OP07CDRG4 is particularly suited for applications requiring high accuracy and stability, such as in instrumentation, sensors, and control systems. It features a low-noise, chopperless, bipolar-input-transistor amplifier circuit that eliminates the need for external components for offset nulling and frequency compensation in most applications.
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 Offset Voltage | - | 0.25 | 0.75 | mV |
| Input Bias Current | - | ±1.8 | ±2.2 | nA |
| Common-Mode Rejection Ratio (CMRR) | 97 | - | 120 | dB |
| Power Supply Rejection Ratio (PSRR) | 10 | - | 51 | μV/V |
| Open-Loop Gain | 100 | - | 400 | V/mV |
| Slew Rate | 0.1 | 0.3 | - | V/μs |
| Unity Gain Bandwidth | 0.4 | 0.6 | - | MHz |
| Output Voltage Swing (RL ≥ 2 kΩ) | ±11 | ±12.6 | - | V |
| Power Dissipation (No Load) | 4 | - | 150 | mW |
Key Features
- Low Noise: The OP07CDRG4 features low noise characteristics, with an input voltage noise of 0.6 μV p-p maximum and a noise density of 10.5 nV/√Hz at 10 Hz.
- Low Offset Voltage: It has a very low input offset voltage, typically 0.25 mV, which is achieved through trimming at the wafer stage.
- Wide Input and Supply Voltage Range: The device operates over a wide input voltage range of ±13 V to ±14 V and a supply voltage range of ±3 V to ±18 V.
- High Common-Mode Rejection Ratio (CMRR): The OP07CDRG4 offers a high CMRR of up to 120 dB, ensuring high accuracy in noninverting circuit configurations.
- High Open-Loop Gain: With an open-loop gain of up to 400 V/mV, this amplifier is particularly useful for high-gain instrumentation applications.
- Low Input Bias Current: The device has low input bias currents, typically ±1.8 nA, and high input impedance over the entire temperature range.
Applications
- Analog Input Modules: Suitable for analog input modules due to its high accuracy and stability.
- Battery Test and Lab Instrumentation: Used in battery testing and various lab and field instrumentation applications.
- Temperature Transmitters and Sensors: Ideal for temperature transmitters, thermocouples, and resistor thermal detectors (RTDs).
- Strain Bridges and Shunt Current Measurements: Employed in strain bridge circuits and shunt current measurements.
- Precision Filters and Control Systems: Utilized in precision filter circuits and control systems requiring high gain and stability).
Q & A
- What is the typical input offset voltage of the OP07CDRG4?
The typical input offset voltage of the OP07CDRG4 is 0.25 mV.
- What is the operating temperature range for the OP07CDRG4?
The operating temperature range for the OP07CDRG4 is 0°C to 70°C.
- What is the supply voltage range for the OP07CDRG4?
The supply voltage range for the OP07CDRG4 is ±3 V to ±18 V.
- What is the common-mode rejection ratio (CMRR) of the OP07CDRG4?
The CMRR of the OP07CDRG4 is up to 120 dB.
- What is the typical slew rate of the OP07CDRG4?
The typical slew rate of the OP07CDRG4 is 0.3 V/μs.
- What is the unity gain bandwidth of the OP07CDRG4?
The unity gain bandwidth of the OP07CDRG4 is up to 0.6 MHz.
- What are some common applications of the OP07CDRG4?
The OP07CDRG4 is commonly used in analog input modules, battery testing, lab and field instrumentation, temperature transmitters, and precision filter circuits.
- Does the OP07CDRG4 require external components for offset nulling?
No, the OP07CDRG4 generally does not require external components for offset nulling due to its low offset voltage and high stability.
- What is the power dissipation of the OP07CDRG4 with no load?
The power dissipation of the OP07CDRG4 with no load is typically between 4 mW and 150 mW.
- What are the package options available for the OP07CDRG4?
The OP07CDRG4 is available in epoxy 8-lead PDIP and 8-lead narrow SOIC packages.
