Overview
The ADA4637-1ARZ-RL, produced by Analog Devices Inc., is a high-performance, wide bandwidth precision amplifier. This device is part of the ADA4637-1 series, known for its low noise, very low offset, drift, and bias current. It combines the benefits of precision DC and high-speed AC op-amps, making it suitable for applications where error sources cannot be tolerated. The ADA4637-1 is a decompensated version of the ADA4627-1, stable at a noise gain of 5 or greater.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Gain Bandwidth Product (GBP) | 79.9 MHz | |
| Slew Rate (SR) | 170 V/μs | |
| Input Bias Current (Ib) | 5 pA | |
| Input Offset Voltage (Vos) | 200 μV | |
| Input Voltage Noise Density (en) | 6.1 nV/√Hz at 1 kHz | |
| Supply Voltage - Max | ±15 V | |
| Supply Voltage - Min | ±5 V | |
| Operating Supply Current | 7 mA | |
| Minimum Operating Temperature | -40°C | |
| Maximum Operating Temperature | +125°C | |
| Power Supply Rejection Ratio (PSRR) | 112 dB typical | |
| Common-Mode Rejection Ratio (CMRR) | 116 dB typical |
Key Features
- High gain bandwidth product: 79.9 MHz
- High slew rate: 170 V/μs
- Low voltage noise density: 6.1 nV/√Hz at 1 kHz
- Low input bias current: 5 pA typical
- Low offset voltage: 200 μV maximum
- High common-mode rejection ratio (CMRR): 116 dB typical
- High power supply rejection ratio (PSRR): 112 dB typical
- Operating temperature range: -40°C to +125°C
- Available in 8-lead LFCSP and 8-lead SOIC packages
Applications
- High impedance sensors
- Photodiode amplifiers
- Precision instrumentation
- Phase-locked loop filters
- High-end, professional audio
- DAC output amplifiers
- Automated Test Equipment (ATE)
- Medical devices
Q & A
- What is the gain bandwidth product of the ADA4637-1ARZ-RL?
The gain bandwidth product is 79.9 MHz. - What is the slew rate of the ADA4637-1ARZ-RL?
The slew rate is 170 V/μs. - What is the input bias current of the ADA4637-1ARZ-RL?
The input bias current is 5 pA typical. - What is the maximum input offset voltage of the ADA4637-1ARZ-RL?
The maximum input offset voltage is 200 μV. - What is the operating temperature range of the ADA4637-1ARZ-RL?
The operating temperature range is -40°C to +125°C. - What are the available package types for the ADA4637-1ARZ-RL?
The device is available in 8-lead LFCSP and 8-lead SOIC packages. - What are some common applications of the ADA4637-1ARZ-RL?
Common applications include high impedance sensors, photodiode amplifiers, precision instrumentation, phase-locked loop filters, high-end professional audio, DAC output amplifiers, ATE, and medical devices. - What is the power supply rejection ratio (PSRR) of the ADA4637-1ARZ-RL?
The PSRR is 112 dB typical. - What is the common-mode rejection ratio (CMRR) of the ADA4637-1ARZ-RL?
The CMRR is 116 dB typical. - Is the ADA4637-1ARZ-RL RoHS compliant?
Yes, the ADA4637-1ARZ-RL is RoHS compliant.
