Overview
The OP400HS-REEL, produced by Analog Devices Inc., is a monolithic quad operational amplifier that offers high precision performance similar to the OP77. This amplifier is designed to provide significant improvements in terms of space and cost savings without compromising on precision. It features an extremely low input offset voltage and low power consumption, making it suitable for a variety of applications requiring high accuracy and reliability.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max |
|---|---|---|---|---|---|
| Input Offset Voltage | VOS | - | 60 μV | 220 μV | 400 μV |
| Average Input Offset Voltage Drift | TCVOS | - | 0.3 μV/°C | 1.2 μV/°C | 2.5 μV/°C |
| Input Offset Current | IOS | VCM = 0 V | 0.1 nA | 2.5 nA | 6.0 nA |
| Input Bias Current | IB | VCM = 0 V | 0.9 nA | 5.0 nA | 12.0 nA |
| Large-Signal Voltage Gain | AVO | RL = 10 kΩ | 3000 V/mV | 10,000 V/mV | - |
| Input Voltage Range | IVR | - | ±12 V | - | ±12.5 V |
| Common-Mode Rejection | CMR | VCM = ±12 V | 115 dB | - | 135 dB |
| Power Supply Rejection Ratio | PSRR | VS = ±3 V to ±18 V | 0.15 μV/V | - | 3.2 μV/V |
| Supply Current per Amplifier | ISY | No load | 600 μA | - | 775 μA |
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.
- Conforms to industry-standard quad pinout without null terminals.
- Low power consumption, drawing less than 725 μA per amplifier.
Applications
The OP400HS-REEL is suitable for various applications requiring high precision and low power consumption, such as:
- 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-reliability analog circuits where low offset voltage and drift are critical.
Q & A
- What is the input offset voltage of the OP400HS-REEL?
The input offset voltage is less than 150 μV. - What is the average input offset voltage drift of the OP400HS-REEL?
The average input offset voltage drift is less than 1.2 μV/°C. - What is the open-loop gain of the OP400HS-REEL?
The open-loop gain is more than 5 million into a 10 kΩ load. - What is the input bias current of the OP400HS-REEL?
The input bias current is less than 3 nA. - What is the common-mode rejection ratio (CMR) of the OP400HS-REEL?
The CMR is more than 120 dB. - How much power does each amplifier in the OP400HS-REEL consume?
Each amplifier consumes less than 725 μA. - What is the power supply rejection ratio (PSRR) of the OP400HS-REEL?
The PSRR is less than 1.8 μV/V. - Does the OP400HS-REEL require offset nulling?
No, the OP400HS-REEL does not require offset nulling due to on-chip Zener zap trimming. - What is the typical operating temperature range for the OP400HS-REEL?
The typical operating temperature range is −40°C to +85°C. - What are some common applications for the OP400HS-REEL?
Common applications include precision instrumentation, medical devices, aerospace and military applications, industrial control systems, and high-reliability analog circuits.
