Overview
The ADA4627-1ARZ-RL, produced by Analog Devices Inc., is a high-performance, 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 applications. The ADA4627-1 is particularly suited for scenarios where high precision and low error sources are critical.
Key Specifications
| Parameter | Symbol | Test Conditions | Typical Value | Unit |
|---|---|---|---|---|
| Offset Voltage | Vos | Ta = 25°C | 70 μV | μV |
| Offset Voltage Drift | TCVos | Ta = -40°C to +125°C | < 1 μV/°C | μV/°C |
| Noise Voltage | e_n | At 1 kHz | 6.1 nV/√Hz | nV/√Hz |
| Slew Rate | SR | ±10 V step, RL = 1 kΩ, CL = 100 pF, AV = +1 | 82 V/μs | V/μs |
| Gain Bandwidth Product | GBP | RL = 1 kΩ, CL = 20 pF, AV = 1 | 19 MHz | MHz |
| Common-Mode Rejection Ratio | CMRR | Ta = 25°C, VCM = -11 V to +11 V | 116 dB | dB |
| Power Supply Rejection Ratio | PSRR | Ta = 25°C | 112 dB | dB |
| Operating Temperature Range | Ta | -40°C to +125°C | °C | |
| Package Type | 8-Lead SOIC_N, 8-Lead LFCSP_VD |
Key Features
- Low noise: 6.1 nV/√Hz at 1 kHz
- Very low offset voltage: 70 μV typical
- Low offset voltage drift: less than 1 μV/°C
- High gain: 120 dB typical
- High common-mode rejection ratio (CMRR): 116 dB typical
- High power supply rejection ratio (PSRR): 112 dB typical
- High slew rate: 82 V/μs for ADA4627-1
- Wide bandwidth: 19 MHz gain bandwidth product for ADA4627-1
- Dual supply operation: ±5 V to ±15 V
- Compact packaging: available in 8-lead SOIC and 8-lead LFCSP
Applications
- High impedance sensors
- Photodiode amplifiers
- Precision instrumentation
- Phase-locked loop filters
- High-end, professional audio
- DAC output amplifiers
- Automated Test Equipment (ATE)
- Medical equipment
Q & A
- What is the typical offset voltage of the ADA4627-1?
The typical offset voltage of the ADA4627-1 is 70 μV.
- What is the slew rate of the ADA4627-1?
The slew rate of the ADA4627-1 is 82 V/μs for a ±10 V step, RL = 1 kΩ, CL = 100 pF, and AV = +1.
- What is the gain bandwidth product (GBP) of the ADA4627-1?
The gain bandwidth product (GBP) of the ADA4627-1 is 19 MHz for RL = 1 kΩ, CL = 20 pF, and AV = 1.
- What are the operating temperature ranges for the ADA4627-1?
The ADA4627-1 operates over the industrial temperature range of -25°C to +85°C and the extended industrial temperature range of -40°C to +125°C.
- What are the common package types for the ADA4627-1?
The ADA4627-1 is available in 8-lead SOIC_N and 8-lead LFCSP_VD packages.
- What are some typical applications for 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 equipment.
- What is the noise voltage of the ADA4627-1 at 1 kHz?
The noise voltage of the ADA4627-1 at 1 kHz is 6.1 nV/√Hz.
- What is the common-mode rejection ratio (CMRR) of the ADA4627-1?
The CMRR of the ADA4627-1 is 116 dB typical at Ta = 25°C, VCM = -11 V to +11 V.
- What is the power supply rejection ratio (PSRR) of the ADA4627-1?
The PSRR of the ADA4627-1 is 112 dB typical at Ta = 25°C.
- Can the ADA4627-1 operate with a single supply?
No, the ADA4627-1 operates from dual supplies ranging from ±5 V to ±15 V.
