Overview
The ADA4637-1BRZ from Analog Devices Inc. is a high-performance, wide bandwidth precision operational amplifier. This device is part of the ADA4637-1 series and is known for its low noise, very low offset voltage, drift, and bias current. It operates from a dual supply of ±5 V to ±15 V, making it versatile for various applications. The ADA4637-1BRZ combines the benefits of precision DC and high-speed AC op-amps, making it ideal for applications where high accuracy and low noise are critical.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Offset Voltage (VOS) | 70 µV | - | 200 µV | µV |
| Offset Voltage Drift (∆VOS/∆T) | 1 µV/°C | - | 3 µV/°C | µV/°C |
| Input Bias Current (IB) | 1 pA | - | 5 pA | pA |
| Power Supply Rejection Ratio (PSRR) | 112 dB | 101 dB | - | dB |
| Slew Rate | 170 V/µs | - | - | V/µs |
| Gain Bandwidth Product (GBP) | 79.9 MHz | - | - | MHz |
| Supply Voltage Range | ±5 V to ±15 V | ±5 V | ±15 V | V |
| Operating Temperature Range | -40°C to +125°C | -40°C | +125°C | °C |
| Package Type | 8-Lead SOIC | - | - | - |
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: 70 μV typical, and low drift: 1 μV/°C.
- Low input bias current: 1 pA typical.
- High gain bandwidth product: 79.9 MHz.
- High slew rate: 170 V/μs.
- High common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR): 116 dB and 112 dB respectively.
- Operates from ±5 V to ±15 V dual supply.
- Available in 8-lead SOIC and LFCSP 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 applications).
Q & A
- What is the typical offset voltage of the ADA4637-1BRZ?
The typical offset voltage is 70 μV.
- What is the slew rate of the ADA4637-1BRZ?
The slew rate is 170 V/μs).
- What is the gain bandwidth product (GBP) of the ADA4637-1BRZ?
The GBP is 79.9 MHz).
- What is the operating temperature range of the ADA4637-1BRZ?
The operating temperature range is -40°C to +125°C).
- What types of packages are available for the ADA4637-1BRZ?
The device is available in 8-lead SOIC and LFCSP packages).
- What are some common applications of the ADA4637-1BRZ?
Common applications include high impedance sensors, photodiode amplifiers, precision instrumentation, phase-locked loop filters, high-end professional audio, DAC output amplifiers, ATE, and medical applications).
- What is the input bias current of the ADA4637-1BRZ?
The input bias current is typically 1 pA).
- Is the ADA4637-1BRZ RoHS compliant?
Yes, the ADA4637-1BRZ is RoHS compliant).
- What is the power supply rejection ratio (PSRR) of the ADA4637-1BRZ?
The PSRR is typically 112 dB).
- What is the common-mode rejection ratio (CMRR) of the ADA4637-1BRZ?
The CMRR is typically 116 dB).
