Overview
The ADA4001-2ARZ-R7 is a dual-channel JFET amplifier produced by Analog Devices Inc. This amplifier is distinguished by its low input voltage noise, low input bias current, and rail-to-rail output. These characteristics make it particularly suitable for high impedance sensor amplification, medical instruments, electronic measurement, and automated test equipment. The ADA4001-2ARZ-R7 maintains fast settling performance even with substantial capacitive loads and does not suffer from output phase reversal when input voltages exceed the maximum common-mode voltage range.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 2 |
| Package | 8-Lead SOIC_N (R-8) |
| Gain Bandwidth Product (GBP) | 16.7 MHz |
| Slew Rate (SR) | ±25 V/µs |
| Input Offset Voltage (Vos) | 500 µV |
| Input Bias Current | 20 pA (typical at Vsy = ±15V) |
| Supply Voltage Range | ±5 V to ±18 V |
| Supply Current per Amplifier | 2 mA to 3 mA |
| Output Voltage Range | -13.5 V to +14.8 V (RL = 10 kΩ) |
| Short-Circuit Current | ±50 mA |
| Power Supply Rejection Ratio (PSRR) | 110 dB (typical at VS = ±4.5 V to ±18 V) |
| Operating Temperature Range | -40°C to +125°C |
| Input Voltage Noise Density | 7.7 nV/√Hz (typical at f = 1 kHz) |
| Common Mode Rejection Ratio (CMRR) | 105 dB |
Key Features
- Low input voltage noise and current noise
- Low input bias current (20 pA typical at Vsy = ±15V)
- Rail-to-rail output
- Unity-gain stable
- No phase reversal
- Fast settling times even with substantial capacitive loads
- Low distortion (0.00006% typical)
- High power supply rejection ratio (PSRR) of 110 dB
- Operating temperature range from -40°C to 125°C
Applications
- Instrumentation
- Medical instruments
- Multipole filters
- Precision current measurement
- Photodiode amplifiers
- Sensors
- Automated test equipment
Q & A
- What is the ADA4001-2ARZ-R7?
The ADA4001-2ARZ-R7 is a dual-channel JFET amplifier produced by Analog Devices Inc., known for its low noise and low input bias current.
- What are the key features of the ADA4001-2ARZ-R7?
Key features include low input voltage noise, low input bias current, rail-to-rail output, unity-gain stability, and no phase reversal.
- What is the operating temperature range of the ADA4001-2ARZ-R7?
The operating temperature range is from -40°C to +125°C.
- What are the typical applications of the ADA4001-2ARZ-R7?
Typical applications include instrumentation, medical instruments, multipole filters, precision current measurement, photodiode amplifiers, sensors, and automated test equipment.
- What is the gain bandwidth product (GBP) of the ADA4001-2ARZ-R7?
The gain bandwidth product is 16.7 MHz.
- What is the slew rate of the ADA4001-2ARZ-R7?
The slew rate is ±25 V/µs.
- What is the input offset voltage of the ADA4001-2ARZ-R7?
The input offset voltage is 500 µV.
- What is the power supply rejection ratio (PSRR) of the ADA4001-2ARZ-R7?
The PSRR is 110 dB (typical at VS = ±4.5 V to ±18 V).
- Is the ADA4001-2ARZ-R7 RoHS compliant?
- What is the package type of the ADA4001-2ARZ-R7?
The package type is 8-Lead SOIC_N (R-8).
