Overview
The AD625JNZ is a precision instrumentation amplifier produced by Analog Devices Inc. It is designed to fulfill two major areas of application: circuits requiring nonstandard gains and circuits needing a low-cost, precision software-programmable gain amplifier. The AD625JNZ offers high precision, low noise, and excellent ac performance, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| User Programmed Gains | 1 to 10,000 | - |
| Low Gain Error | 0.02% Max | % |
| Gain Temperature Coefficient | 5 ppm/°C Max | ppm/°C |
| Nonlinearity | 0.001% Max | % |
| Input Offset Voltage | 25 µV | µV |
| Noise | 4 nV/√Hz (at 1 kHz) RTI | nV/√Hz |
| Gain Bandwidth Product | 25 MHz | MHz |
| Slew Rate | 5 V/µs | V/µs |
| Settling Time | 15 µs (to 0.01%, 20 V step, G = 1 to 200) | µs |
| Temperature Range | 0°C to +70°C (Commercial Grade) | °C |
| Package | 16-Lead Plastic DIP | - |
Key Features
- User-Programmable Gains: The AD625JNZ allows users to set any gain from 1 to 10,000 using three external resistors.
- Low Gain Error and Temperature Coefficient: Features a low gain error of 0.02% max and a gain temperature coefficient of 5 ppm/°C max.
- High Precision and Low Noise: Offers low nonlinearity of 0.001% max, low input offset voltage of 25 µV, and low noise of 4 nV/√Hz at 1 kHz.
- Excellent AC Performance: Includes a 25 MHz gain bandwidth product, a 5 V/µs slew rate, and a 15 µs settling time.
- Independent Input and Output Offset Nulling: Provides terminals for high precision applications to minimize the effects of offset voltage.
- MIL-Standard Parts Available: Available in military-grade packages for high-reliability applications.
Applications
- Instrumentation and Measurement: Ideal for circuits requiring nonstandard gains and high precision in measurement applications.
- Industrial Automation: Suitable for industrial automation systems that require precise signal amplification.
- Medical Devices: Used in medical devices where low noise and high precision are critical.
- Aerospace and Defense: Available in military-grade packages, making it suitable for aerospace and defense applications.
Q & A
- What is the gain range of the AD625JNZ?
The AD625JNZ can be programmed for gains from 1 to 10,000.
- What is the maximum gain error of the AD625JNZ?
The maximum gain error is 0.02%.
- What is the temperature range for the commercial grade AD625JNZ?
The temperature range for the commercial grade is 0°C to +70°C.
- What is the slew rate of the AD625JNZ?
The slew rate is 5 V/µs.
- How is the gain set on the AD625JNZ?
The gain is set using three external resistors.
- What is the input offset voltage of the AD625JNZ?
The input offset voltage is 25 µV.
- What is the gain bandwidth product of the AD625JNZ?
The gain bandwidth product is 25 MHz.
- Is the AD625JNZ available in military-grade packages?
Yes, it is available in military-grade packages.
- What is the settling time of the AD625JNZ?
The settling time is 15 µs (to 0.01%, 20 V step, G = 1 to 200).
- What is the noise level of the AD625JNZ at 1 kHz?
The noise level is 4 nV/√Hz at 1 kHz.
