Overview
The ADA4637-1BRZ-R7, 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 voltage, drift, and bias current. The ADA4637-1 is a decompensated version of the ADA4627-1, stable at a noise gain of 5 or greater. It operates from dual supplies ranging from ±5 V to ±15 V, making it versatile for various applications. The amplifier is available in compact 8-lead SOIC and 8-lead LFCSP packages, suitable for space-constrained designs.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Gain Bandwidth Product (GBP) | 79.9 MHz | |
| Slew Rate | 170 V/μs | |
| Input Offset Voltage (VOS) | 70 μV | |
| Input Offset Voltage Drift (∆VOS/∆T) | 1 μV/°C | |
| Input Bias Current (IB) | 1 pA | |
| Power Supply Rejection Ratio (PSRR) | 112 dB | |
| Common Mode Rejection Ratio (CMRR) | 116 dB | |
| Supply Voltage Range | ±5 V to ±15 V | |
| Operating Temperature Range | -40°C to +125°C | |
| Package Type | 8-Lead SOIC, 8-Lead LFCSP |
Key Features
- Low noise: 6.1 nV/√Hz at 1 kHz and 0.86 μV p-p (0.1 Hz to 10 Hz).
- Very low offset voltage and drift: 70 μV typical offset voltage and less than 1 μV/°C drift.
- Low bias current: 1 pA typical input bias current.
- High gain bandwidth product: 79.9 MHz.
- High common mode rejection ratio (CMRR) and power supply rejection ratio (PSRR): 116 dB and 112 dB respectively.
- Compact packaging: Available in 8-lead SOIC and 8-lead LFCSP packages.
Applications
- High impedance sensors and photodiode amplifiers.
- Precision instrumentation and phase-locked loop filters.
- High-end professional audio and DAC output amplifiers.
- Automated test equipment (ATE) and medical devices.
Q & A
- What is the typical gain bandwidth product of the ADA4637-1BRZ-R7?
The typical gain bandwidth product is 79.9 MHz.
- What is the slew rate of the ADA4637-1BRZ-R7?
The slew rate is 170 V/μs.
- What is the input offset voltage of the ADA4637-1BRZ-R7?
The typical input offset voltage is 70 μV.
- What is the operating temperature range of the ADA4637-1BRZ-R7?
The operating temperature range is -40°C to +125°C.
- What are the available package types for the ADA4637-1BRZ-R7?
The device is available in 8-lead SOIC and 8-lead LFCSP packages.
- What are some common applications of the ADA4637-1BRZ-R7?
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 typical input bias current of the ADA4637-1BRZ-R7?
The typical input bias current is 1 pA.
- What is the power supply rejection ratio (PSRR) of the ADA4637-1BRZ-R7?
The PSRR is typically 112 dB.
- What is the common mode rejection ratio (CMRR) of the ADA4637-1BRZ-R7?
The CMRR is typically 116 dB.
- Is the ADA4637-1BRZ-R7 RoHS compliant?
