Overview
The AD795JR is a precision, low noise, FET input operational amplifier produced by Analog Devices Inc. This device is designed to offer both the low voltage noise and low offset drift of a bipolar input op amp, along with the very low bias current characteristic of a FET-input device. The AD795JR is particularly suited for high input impedance, low noise applications.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Offset Voltage | 100 | 500 | 1000 | mV |
| Input Bias Current | 1 pA | |||
| Common Mode Rejection Ratio (CMRR) | 110 dB | |||
| Gain Bandwidth Product (GBP) | 1.6 MHz | |||
| Slew Rate (SR) | 1 V/μs | |||
| Supply Voltage | ±4 V | ±18 V | ||
| Operating Supply Current | 1.3 mA | 1.5 mA | ||
| Minimum Operating Temperature | 0°C | |||
| Maximum Operating Temperature | 70°C |
Key Features
- Low noise and low offset drift, making it suitable for precision applications.
- Very low bias current (1 pA maximum) due to FET input.
- High common-mode rejection ratio (CMRR) of 110 dB.
- Gain bandwidth product of 1.6 MHz and slew rate of 1 V/μs.
- Wide supply voltage range from ±4 V to ±18 V.
- Low supply current of 1.5 mA maximum.
- Available in 8-pin SOIC package.
Applications
- Precision amplification in industrial and instrumentation settings.
- Filter design and data acquisition systems.
- Medical instruments where low noise and high accuracy are crucial.
- Any application requiring high input impedance and low noise.
Q & A
- What is the input offset voltage of the AD795JR?
The input offset voltage of the AD795JR is typically 100 mV to 500 mV, with a maximum of 1000 mV over the temperature range.
- What is the input bias current of the AD795JR?
The input bias current of the AD795JR is 1 pA maximum.
- What is the common-mode rejection ratio (CMRR) of the AD795JR?
The CMRR of the AD795JR is 110 dB.
- What is the gain bandwidth product (GBP) of the AD795JR?
The GBP of the AD795JR is 1.6 MHz.
- What is the slew rate (SR) of the AD795JR?
The slew rate of the AD795JR is 1 V/μs.
- What is the operating temperature range of the AD795JR?
The operating temperature range of the AD795JR is from 0°C to +70°C.
- What is the supply voltage range for the AD795JR?
The supply voltage range for the AD795JR is from ±4 V to ±18 V.
- What is the typical operating supply current of the AD795JR?
The typical operating supply current of the AD795JR is 1.5 mA.
- In what package is the AD795JR available?
The AD795JR is available in an 8-pin SOIC package.
- What are some common applications of the AD795JR?
The AD795JR is commonly used in precision amplification, filter design, data acquisition systems, and medical instruments where low noise and high accuracy are required).
