Overview
The AD8629WARZ-R7 is a zero-drift, dual operational amplifier manufactured by Analog Devices Inc. This device is part of the AD8629 series, known for its high accuracy, low noise, and wide bandwidth. The AD8629WARZ-R7 features rail-to-rail input and output swing, making it versatile for various applications. It operates on a single supply voltage ranging from 2.7V to 5V or dual supply voltages from ±1.35V to ±2.5V. This amplifier is particularly noted for its ultralow offset voltage, low drift, and minimal bias current, making it suitable for precision analog circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) | |
| Number of Channels | 2 | |
| Operating Supply Voltage | 2.7V to 5V (±1.35V to ±2.5V dual supply) | V |
| Operating Supply Current | 2.2mA | mA |
| Quiescent Current | 1.1mA | mA |
| Slew Rate | 1V/μs | V/μs |
| Gain Bandwidth Product | 2.5MHz | Hz |
| Input Offset Voltage (Vos) | 5μV | μV |
| Common Mode Rejection Ratio (CMRR) | 140 dB | dB |
| Power Supply Rejection Ratio (PSRR) | 130 dB | dB |
| Output Current per Channel | 30mA | mA |
| Operating Temperature Range | -40°C to 125°C | °C |
| RoHS Status | ROHS3 Compliant |
Key Features
- Zero-Drift Amplifier: The AD8629WARZ-R7 features an auto-zeroing topology that minimizes offset voltage and drift, ensuring high accuracy over temperature and time.
- Rail-to-Rail Input and Output: This amplifier supports rail-to-rail input and output swing, enhancing its versatility in various applications.
- Low Noise: It has a low noise performance with a voltage noise density of 22 nV/√Hz and a peak-to-peak noise of 0.5 μV from 0.1 Hz to 10 Hz.
- High Gain Bandwidth Product: With a gain bandwidth product of 2.5 MHz, this amplifier is suitable for high-frequency applications.
- Low Power Consumption: The device operates with a quiescent current of 1.1 mA, making it energy-efficient.
- High Common Mode Rejection Ratio (CMRR) and Power Supply Rejection Ratio (PSRR): CMRR of 140 dB and PSRR of 130 dB ensure robust performance against common-mode and power supply noise.
Applications
- Precision Instrumentation: The AD8629WARZ-R7 is ideal for precision instrumentation due to its low offset voltage, low drift, and high accuracy.
- Medical Devices: Its low noise and high CMRR make it suitable for medical devices that require precise signal processing.
- Automotive Systems: The device's ability to operate over a wide temperature range and its robust performance against noise make it a good fit for automotive systems.
- Industrial Control Systems: It can be used in industrial control systems where high accuracy and low noise are critical.
- Audio and Video Equipment: The amplifier's rail-to-rail input and output swing and low noise characteristics make it suitable for audio and video equipment.
Q & A
- What is the operating supply voltage range for the AD8629WARZ-R7?
The AD8629WARZ-R7 operates on a single supply voltage ranging from 2.7V to 5V or dual supply voltages from ±1.35V to ±2.5V.
- What is the input offset voltage of the AD8629WARZ-R7?
The input offset voltage (Vos) of the AD8629WARZ-R7 is 5 μV.
- What is the gain bandwidth product of the AD8629WARZ-R7?
The gain bandwidth product (GBP) of the AD8629WARZ-R7 is 2.5 MHz.
- What is the slew rate of the AD8629WARZ-R7?
The slew rate of the AD8629WARZ-R7 is 1 V/μs.
- Is the AD8629WARZ-R7 RoHS compliant?
Yes, the AD8629WARZ-R7 is ROHS3 compliant.
- What is the operating temperature range for the AD8629WARZ-R7?
The operating temperature range for the AD8629WARZ-R7 is -40°C to 125°C.
- What is the common mode rejection ratio (CMRR) of the AD8629WARZ-R7?
The CMRR of the AD8629WARZ-R7 is 140 dB.
- What is the power supply rejection ratio (PSRR) of the AD8629WARZ-R7?
The PSRR of the AD8629WARZ-R7 is 130 dB.
- How many channels does the AD8629WARZ-R7 have?
The AD8629WARZ-R7 is a dual-channel operational amplifier.
- What is the output current per channel of the AD8629WARZ-R7?
The output current per channel of the AD8629WARZ-R7 is 30 mA.
