Overview
The OP07CZ is a precision operational amplifier produced by Analog Devices Inc. It is renowned for its ultrastable and low-noise performance, making it an industry standard for various high-precision applications. The OP07CZ features very low input offset voltage, high open-loop gain, and excellent stability over time and temperature variations. These characteristics eliminate the need for external nulling and ensure high accuracy in instrumentation and control circuits.
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 | - | 400 V/mV | V/mV |
| Common-Mode Rejection Ratio | CMRR | VCM = ±13 V | 97 dB | - | 120 dB | dB |
| Power Supply Rejection Ratio | PSRR | VS = ±3 V to ±18 V | 10 μV/V | - | 51 μV/V | μV/V |
| Input Voltage Range | IVR | - | ±13 V | - | ±13.5 V | V |
| Supply Voltage Range | VS | - | ±3 V | - | ±18 V | V |
| Operating Temperature Range | TA | - | -40°C | - | +85°C | °C |
| Power Consumption | Pd | VS = ±15 V, No load | 75 mW | - | 120 mW | mW |
Key Features
- Ultrastable vs. Time: The OP07CZ has a maximum drift of 1.5 μV per month, ensuring long-term stability.
- Low Noise: With a maximum noise of 0.6 μV p-p, it is suitable for high-precision applications.
- Wide Input Voltage Range: The amplifier can handle input voltages up to ±13.5 V.
- High Open-Loop Gain: A gain of 200 V/mV (for OP07E) makes it ideal for high-gain instrumentation applications.
- High Common-Mode Rejection Ratio (CMRR): CMRR of 97 dB to 120 dB ensures high accuracy in noninverting circuit configurations.
- Low Input Bias Current: Input bias current is as low as ±2.2 nA, reducing errors in high-impedance circuits.
- High Input Impedance: Provides high accuracy and linearity even at high closed-loop gains.
Applications
- Wireless Base Station Control Circuits: Used for precise control and monitoring in wireless communication systems.
- Optical Network Control Circuits: Employed in optical communication systems for stable and accurate signal processing.
- Instrumentation: Ideal for high-precision measurement and control in various instrumentation applications.
- Sensors and Controls: Used in thermocouples, resistor thermal detectors (RTDs), strain bridges, and shunt current measurements.
- Precision Filters: Utilized in high-precision filtering applications due to its stability and low noise characteristics.
Q & A
- What is the maximum input offset voltage of the OP07CZ?
The maximum input offset voltage of the OP07CZ is 75 μV for the OP07E grade.
- What is the typical supply voltage range for the OP07CZ?
The supply voltage range for the OP07CZ is ±3 V to ±18 V.
- What are the operating temperature ranges for the OP07CZ?
The OP07CZ is available in two temperature ranges: 0°C to 70°C (OP07E) and -40°C to +85°C (OP07C).
- What is the common-mode rejection ratio (CMRR) of the OP07CZ?
The CMRR of the OP07CZ is between 97 dB and 120 dB.
- What are some typical applications of the OP07CZ?
The OP07CZ is used in wireless base station control circuits, optical network control circuits, instrumentation, sensors and controls, and precision filters.
- What is the power consumption of the OP07CZ when supplied with ±15 V?
The power consumption of the OP07CZ is between 75 mW and 120 mW when supplied with ±15 V and no load.
- Does the OP07CZ require external nulling for input offset voltage?
No, the OP07CZ does not typically require external nulling due to its low input offset voltage achieved through wafer-stage trimming.
- What is the slew rate of the OP07CZ?
The slew rate of the OP07CZ is between 0.1 V/μs and 0.3 V/μs for a load resistance of 2 kΩ.
- What are the available package types for the OP07CZ?
The OP07CZ is available in epoxy 8-lead PDIP and 8-lead narrow SOIC packages.
- How does the OP07CZ perform in terms of noise?
The OP07CZ has a maximum noise of 0.6 μV p-p, making it suitable for high-precision and low-noise applications.
