Overview
The AD8641ARZ-REEL7 is a low-power, precision JFET input amplifier produced by Analog Devices Inc. This amplifier is known for its extremely low input bias current and rail-to-rail output, making it suitable for a wide range of applications. It features a single channel and is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package. The AD8641ARZ-REEL7 is designed to operate over a supply voltage range of 5V to 26V, or ±2.5V to ±13V, and is fully specified over the extended industrial temperature range of −40°C to +125°C.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD8641ARZ-REEL7 |
| Package | 8-SOIC (0.154, 3.90mm Width) |
| Number of Channels | 1 |
| Supply Voltage | 5V to 26V, or ±2.5V to ±13V |
| Input Bias Current | 0.25 pA |
| Common Mode Rejection Ratio (CMRR) | 107 dB |
| Power Supply Rejection Ratio (PSRR) | 107 dB |
| Slew Rate | 3 V/μs |
| Gain Bandwidth Product (GBP) | 3.5 MHz |
| Phase Margin | 60 Degrees |
| Output Type | Rail-to-Rail |
| Operating Temperature Range | −40°C to +125°C |
Key Features
- Low power consumption with a supply current of 195 μA to 250 μA per amplifier.
- Precision JFET input with extremely low input bias current of 0.25 pA.
- Rail-to-rail output, enabling the amplifier to swing nearly rail-to-rail at both the input and output.
- High common mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) of 107 dB each, ensuring good noise rejection.
- Stable operation with capacitive loads of more than 500 pF.
- Low offset voltage drift of 2.5 μV/°C.
Applications
- Line- and battery-powered instruments.
- Photodiode amplifiers.
- Precision current sensing.
- Medical instrumentation.
- Industrial controls.
- Precision filters.
- Portable audio equipment.
- Automated Test Equipment (ATE) reference level drivers).
- Battery management systems).
Q & A
- What is the package type of the AD8641ARZ-REEL7?
The AD8641ARZ-REEL7 is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package.
- What is the supply voltage range for the AD8641ARZ-REEL7?
The supply voltage range is 5V to 26V, or ±2.5V to ±13V.
- What is the input bias current of the AD8641ARZ-REEL7?
The input bias current is 0.25 pA.
- What is the common mode rejection ratio (CMRR) of the AD8641ARZ-REEL7?
The CMRR is 107 dB.
- What is the slew rate of the AD8641ARZ-REEL7?
The slew rate is 3 V/μs.
- What is the gain bandwidth product (GBP) of the AD8641ARZ-REEL7?
The GBP is 3.5 MHz.
- What are some typical applications of the AD8641ARZ-REEL7?
Typical applications include line- and battery-powered instruments, photodiode amplifiers, precision current sensing, medical instrumentation, industrial controls, precision filters, portable audio equipment, and ATE reference level drivers.
- What is the operating temperature range of the AD8641ARZ-REEL7?
The operating temperature range is −40°C to +125°C.
- Is the AD8641ARZ-REEL7 suitable for multichannel boards?
Yes, it is suitable for applications utilizing multichannel boards that require low power to manage heat.
- What is the output type of the AD8641ARZ-REEL7?
The output type is rail-to-rail.
