Overview
The ADA4627-1ARZ-R7, produced by Analog Devices Inc., is a wide bandwidth precision operational amplifier. This device is part of the ADA4627-1/ADA4637-1 series, known for its low noise, very low offset voltage, drift, and bias current. It operates from dual supplies ranging from ±5 V to ±15 V, making it versatile for various high-performance applications. The ADA4627-1 combines the benefits of precision DC and high-speed AC op-amps, making it suitable for applications where error sources cannot be tolerated.
Key Specifications
| Parameter | Symbol | Test Conditions | Typical Value | Unit |
|---|---|---|---|---|
| Offset Voltage | VOS | −40°C ≤ TA ≤ +85°C | 70 µV | µV |
| Offset Voltage Drift | ∆VOS/∆T | −40°C ≤ TA ≤ +125°C | 1 µV/°C | µV/°C |
| Input Bias Current | IB | −40°C ≤ TA ≤ +85°C | 1 pA | pA |
| Gain Bandwidth Product | GBP | RL = 1 kΩ, CL = 20 pF, AV = 1 | 19 MHz | MHz |
| Slew Rate | Sr | VOUT = ±10 V, Cf = 4.8 pF, AV = +5 | 82 V/μs | V/μs |
| Common Mode Rejection Ratio | CMRR | VSY = ±15 V, VCM = 0 V, TA = 25°C | 116 dB | dB |
| Power Supply Rejection Ratio | PSRR | VSY = ±4.5 V to ±18 V | 112 dB | dB |
Key Features
- Low noise: 6.1 nV/√Hz at 1 kHz
- Very low offset voltage: 70 µV typical
- Low offset voltage drift: 1 µV/°C
- Low input bias current: 1 pA
- High gain bandwidth product: 19 MHz
- High slew rate: 82 V/μs
- High common mode rejection ratio (CMRR): 116 dB
- High power supply rejection ratio (PSRR): 112 dB
- 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 devices
Q & A
- What is the typical offset voltage of the ADA4627-1?
The typical offset voltage is 70 µV. - What is the input bias current of the ADA4627-1?
The input bias current is typically 1 pA. - What is the gain bandwidth product of the ADA4627-1?
The gain bandwidth product is 19 MHz. - What is the slew rate of the ADA4627-1?
The slew rate is 82 V/μs. - What are the common package types for the ADA4627-1?
The device is available in 8-lead SOIC and LFCSP packages. - What are some typical applications of the ADA4627-1?
Typical 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 operating voltage range for the ADA4627-1?
The device operates from ±5 V to ±15 V dual supply. - What is the common mode rejection ratio (CMRR) of the ADA4627-1?
The CMRR is typically 116 dB. - What is the power supply rejection ratio (PSRR) of the ADA4627-1?
The PSRR is typically 112 dB. - What are the temperature ranges for which the ADA4627-1 is specified?
The device is specified for both the industrial temperature range of −25°C to +85°C and the extended industrial temperature range of −40°C to +125°C.
