Overview
The AD8641AKSZ-REEL7 is a precision JFET input amplifier produced by Analog Devices Inc. This component is part of the AD8641 series, known for its low power consumption and high precision. It features a rail-to-rail output and extremely low input bias current, making it suitable for a wide range of applications. The amplifier is housed in a compact SC-70-5 package and is fully specified over the extended industrial temperature range of −40°C to +125°C.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices |
| Part Number | AD8641AKSZ-REEL7 |
| Package | SC-70-5 |
| Bandwidth | 3.5 MHz |
| Offset Voltage | 750 μV |
| Input Bias Current | 1 pA |
| Output Voltage High | 4.95 V (IL = 1 mA, −40°C to +125°C) |
| Output Voltage Low | 0.05 V (IL = 1 mA, −40°C to +125°C) |
| Output Current | ±6 mA |
| Supply Current/Amplifier | 195-250 μA (−40°C to +125°C) |
| Slew Rate | 3 V/μs |
| Gain Bandwidth Product | 3.5 MHz |
| Phase Margin | 60 Degrees |
| Voltage Noise Density | 27.5 nV/√Hz (f = 1 kHz) |
| Current Noise Density | 0.5 fA/√Hz (f = 1 kHz) |
Key Features
- Low power consumption with a supply current of 195-250 μA per amplifier.
- Precision JFET input with extremely low input bias current of 1 pA.
- Rail-to-rail output, enabling the amplifier to swing nearly rail-to-rail at the input and output.
- Stable operation with capacitive loads of more than 500 pF.
- High gain bandwidth product of 3.5 MHz and a slew rate of 3 V/μs.
- Low voltage noise density of 27.5 nV/√Hz and low current noise density of 0.5 fA/√Hz.
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 AD8641AKSZ-REEL7? The AD8641AKSZ-REEL7 is packaged in an SC-70-5 package.
- What is the bandwidth of the AD8641AKSZ-REEL7? The bandwidth of the AD8641AKSZ-REEL7 is 3.5 MHz.
- What is the input bias current of the AD8641AKSZ-REEL7? The input bias current is 1 pA.
- What is the output voltage range of the AD8641AKSZ-REEL7? The output voltage range is nearly rail-to-rail, with output voltage high at 4.95 V and output voltage low at 0.05 V.
- What is the supply current per amplifier for the AD8641AKSZ-REEL7? The supply current per amplifier is 195-250 μA.
- What is the slew rate of the AD8641AKSZ-REEL7? The slew rate is 3 V/μs.
- What are some common applications of the AD8641AKSZ-REEL7? Common applications include line- and battery-powered instruments, photodiode amplifiers, precision current sensing, medical instrumentation, and industrial controls.
- What is the operating temperature range of the AD8641AKSZ-REEL7? The operating temperature range is −40°C to +125°C.
- Is the AD8641AKSZ-REEL7 RoHS compliant? Yes, the AD8641AKSZ-REEL7 is RoHS compliant.
- What is the gain bandwidth product of the AD8641AKSZ-REEL7? The gain bandwidth product is 3.5 MHz.
