Overview
The OP470GSZ-REEL is a high-performance monolithic quad operational amplifier produced by Analog Devices Inc. This device is renowned for its exceptionally low voltage noise, making it suitable for applications requiring high precision and low noise levels. The OP470 is pin-compatible with several other quad op amps, such as the LM148/149, HA4741, HA5104, and RM4156, allowing it to be used as an upgrade in systems utilizing these devices.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | 0.1 | 0.4 | 1.0 | mV | |
| Input Offset Current | IOS | VCM = 0 V | 3 | 10 | 30 | nA |
| Input Bias Current | IB | VCM = 0 V | 6 | 25 | 60 | nA |
| Input Noise Voltage | en | fO = 1 kHz | 5 nV/√Hz | nV/√Hz | ||
| Power Supply Rejection Ratio | PSRR | VS = ±4.5 V to ±18 V | 0.56 | 1.8 | 5.6 | mV/V |
| Slew Rate | SR | 1.4 | 2 | 2 | V/ms | |
| Gain Bandwidth Product | GBW | AV = 10 | 6 | 6 | MHz | |
| Supply Current (All Amplifiers) | ISY | No Load | 9 | 11 | 11 | mA |
Key Features
- Very Low Noise: 5 nV/√Hz at 1 kHz max, making it ideal for high-precision applications.
- Excellent Input Offset Voltage: Below 0.4 mV, which is excellent for a quad op amp.
- Low Offset Voltage Drift: Under 2 mV/°C, guaranteed over the full military temperature range.
- High Gain: Open loop gain of over 1,000,000 into a 10 kΩ load, ensuring excellent gain accuracy and linearity.
- High Common Mode Rejection Ratio (CMRR): Over 110 dB, significantly reducing errors due to ground noise.
- Low Power Consumption: Half that of four OP27s, making it advantageous for power-conscious applications.
- Unity-Gain Stable: With a gain bandwidth product of 6 MHz and a slew rate of 2 V/ms.
Applications
- High-Precision Instrumentation: Suitable for applications requiring low noise and high accuracy, such as medical devices and scientific instruments.
- Audio Equipment: Ideal for audio preamplifiers and other audio circuits where low noise is critical.
- Industrial Control Systems: Used in control systems that require high precision and stability.
- Medical Devices: Applicable in medical devices such as ECG and EEG machines where low noise is essential.
Q & A
- What is the input noise voltage of the OP470?
The input noise voltage of the OP470 is 5 nV/√Hz at 1 kHz max.
- What is the typical slew rate of the OP470?
The typical slew rate of the OP470 is 2 V/ms.
- What is the gain bandwidth product of the OP470?
The gain bandwidth product of the OP470 is 6 MHz.
- Is the OP470 unity-gain stable?
Yes, the OP470 is unity-gain stable.
- What is the common mode rejection ratio (CMRR) of the OP470?
The CMRR of the OP470 is over 110 dB.
- What is the input offset voltage of the OP470?
The input offset voltage of the OP470 is below 0.4 mV.
- What is the power consumption of the OP470?
The power consumption of the OP470 is approximately 9-11 mA per amplifier.
- Is the OP470 pin-compatible with other quad op amps?
Yes, the OP470 is pin-compatible with the LM148/149, HA4741, HA5104, and RM4156 quad op amps.
- What are the typical applications of the OP470?
The OP470 is typically used in high-precision instrumentation, audio equipment, industrial control systems, and medical devices.
- What is the offset voltage drift of the OP470?
The offset voltage drift of the OP470 is under 2 mV/°C.
