Overview
The OP400HSZ is a quad low offset, low power operational amplifier produced by Analog Devices Inc. It is the first monolithic quad operational amplifier to feature OP77-type performance, offering precision and low power consumption. This amplifier is designed to provide significant improvements over industry-standard op-amps, such as the OP07, while maintaining low power consumption and high precision. The OP400HSZ is ideal for applications requiring multiple precision operational amplifiers where low power is critical.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | 60 | 220 | 400 | µV | |
| Average Input Offset Voltage Drift | TCVOS | 0.3 | 1.2 | 2.5 | µV/°C | |
| Input Offset Current | IOS | VCM = 0 V | 0.1 | 2.5 | 6.0 | nA |
| Input Bias Current | IB | VCM = 0 V | 0.9 | 5.0 | 12.0 | nA |
| Large-Signal Voltage Gain | AVO | VCM = 0 V, RL = 10 kΩ | 3000 | 10,000 | V/mV | |
| Input Voltage Range | IVR | ±12 | ±12.5 | V | ||
| Common-Mode Rejection | CMR | VCM = ±12 V | 105 | 135 | dB | |
| Power Supply Rejection Ratio | PSRR | VS = ±3 V to ±18 V | 0.15 | 3.2 | µV/V | |
| Supply Current per Amplifier | ISY | No load | 600 | 775 | µA | |
| Operating Temperature | -40°C | 85°C |
Key Features
- Extremely low input offset voltage of less than 150 µV with a drift of less than 1.2 µV/°C, guaranteed over the full military temperature range.
- High open-loop gain of more than 5 million into a 10 kΩ load.
- Low input bias current of less than 3 nA.
- High common-mode rejection (CMR) of more than 120 dB.
- Low power supply rejection ratio (PSRR) of less than 1.8 µV/V.
- On-chip Zener zap trimming eliminates the need for offset nulling.
- Low power consumption, drawing less than 725 µA per amplifier.
- Conforms to industry-standard quad pinout without null terminals.
- Capacitive load stability with no oscillations up to 10 nF.
Applications
The OP400HSZ is suitable for various applications requiring multiple precision operational amplifiers with low power consumption. These include:
- Precision instrumentation and measurement systems.
- Medical devices and diagnostic equipment.
- Aerospace and military applications due to its performance over a wide temperature range.
- Industrial control systems and automation.
- High-precision audio and signal processing systems.
Q & A
- What is the input offset voltage of the OP400HSZ?
The input offset voltage of the OP400HSZ is less than 150 µV, with a maximum of 400 µV for the H grade.
- What is the input bias current of the OP400HSZ?
The input bias current is less than 3 nA for E, F, and G grades, and up to 20 nA for the H grade.
- What is the common-mode rejection ratio (CMR) of the OP400HSZ?
The CMR is more than 105 dB.
- What is the power supply rejection ratio (PSRR) of the OP400HSZ?
The PSRR is less than 3.2 µV/V.
- How much current does each amplifier in the OP400HSZ draw?
Each amplifier draws less than 775 µA.
- What is the operating temperature range of the OP400HSZ?
The operating temperature range is -40°C to 85°C.
- Does the OP400HSZ require offset nulling?
No, the OP400HSZ does not require offset nulling due to on-chip Zener zap trimming.
- What is the typical gain-bandwidth product of the OP400HSZ?
The gain-bandwidth product is 500 kHz.
- Is the OP400HSZ RoHS compliant?
- What is the package type of the OP400HSZ?
The OP400HSZ is available in a 16-SOIC package.
