Overview
The OP07CPZ is a precision operational amplifier produced by Analog Devices Inc. It is renowned for its ultralow input offset voltage, low noise, and high stability over time and temperature. This amplifier is particularly useful in high-gain instrumentation applications due to its low input bias current, high open-loop gain, and excellent linearity and gain accuracy. The OP07CPZ is available in various packages, including 8-lead PDIP and 8-lead narrow SOIC, making it versatile for different design needs.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | 75 μV | μV | |||
| Input Bias Current | IB | ±2.2 nA | ±9.0 nA | nA | ||
| Open-Loop Gain | AVOL | RL ≥ 2 kΩ, VO = ±10 V | 100 V/mV | 200 V/mV | 400 V/mV | V/mV |
| Common-Mode Rejection Ratio | CMRR | VCM = ±13 V | 97 dB | 120 dB | dB | |
| Supply Voltage Range | VS | ±3 V | ±18 V | V | ||
| Operating Temperature Range | TA | −40°C | 85°C | °C | ||
| Slew Rate | SR | RL ≥ 2 kΩ | 0.1 V/μs | 0.3 V/μs | V/μs | |
| Unity Gain Bandwidth | BW | AVOL = 15 | 0.4 MHz | 0.6 MHz | MHz | |
| Power Dissipation | Pd | VS = ±15 V, No load | 75 mW | 120 mW | mW |
Key Features
- Ultralow Input Offset Voltage: The OP07CPZ has a very low input offset voltage, typically 75 μV, which is achieved through trimming at the wafer stage, eliminating the need for external nulling.
- Low Noise: It features low noise, with a maximum of 0.6 μV p-p, making it suitable for high-precision applications.
- Wide Input and Supply Voltage Ranges: The amplifier has a wide input voltage range of ±14 V and a supply voltage range of ±3 V to ±18 V, providing flexibility in various circuit configurations.
- High Common-Mode Rejection Ratio (CMRR): With a CMRR of up to 120 dB, the OP07CPZ ensures high accuracy in noninverting circuit configurations.
- Low Input Bias Current and High Input Impedance: The amplifier has low input bias currents (±2.2 nA to ±9.0 nA) and high input impedance, maintaining performance over the entire temperature range.
- Stability and Linearity: It offers excellent stability of offsets and gain with time or temperature variations, ensuring high linearity and gain accuracy even at high closed-loop gains.
Applications
- Instrumentation: The OP07CPZ is widely used in high-gain instrumentation applications due to its low offset voltage and high stability.
- Sensors and Controls: It is suitable for applications involving thermocouples, resistor thermal detectors (RTDs), strain bridges, and shunt current measurements.
- Wireless Base Station Control Circuits: The amplifier's stability and low noise make it ideal for wireless base station control circuits.
- Optical Network Control Circuits: It is used in optical network control circuits where high precision and stability are required.
- Lab and Field Instrumentation: The OP07CPZ is also used in lab and field instrumentation, battery testing, and temperature transmitters.
Q & A
- What is the typical input offset voltage of the OP07CPZ?
The typical input offset voltage of the OP07CPZ is 75 μV.
- What is the supply voltage range for the OP07CPZ?
The supply voltage range for the OP07CPZ is ±3 V to ±18 V.
- What is the common-mode rejection ratio (CMRR) of the OP07CPZ?
The CMRR of the OP07CPZ is up to 120 dB.
- What are the typical applications of the OP07CPZ?
The OP07CPZ is typically used in instrumentation, sensors and controls, wireless base station control circuits, optical network control circuits, and lab and field instrumentation).
- What is the slew rate of the OP07CPZ?
The slew rate of the OP07CPZ is typically 0.3 V/μs with a load resistance of 2 kΩ).
- What is the unity gain bandwidth of the OP07CPZ?
The unity gain bandwidth of the OP07CPZ is typically 0.6 MHz).
- What are the available packages for the OP07CPZ?
The OP07CPZ is available in 8-lead PDIP and 8-lead narrow SOIC packages).
- What is the operating temperature range for the OP07CPZ?
The operating temperature range for the OP07CPZ is −40°C to 85°C).
- Does the OP07CPZ require external components for offset nulling?
No, the OP07CPZ generally does not require external components for offset nulling due to its low input offset voltage achieved through trimming at the wafer stage).
- What is the power dissipation of the OP07CPZ with no load at ±15 V supply?
The power dissipation of the OP07CPZ with no load at ±15 V supply is typically 75 mW to 120 mW).
