Overview
The AD625KNZ 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 AD625KNZ offers high precision and flexibility, making it suitable for a wide range of applications that demand accurate and adjustable gain settings.
Key Specifications
| Parameter | Min | Typ | Max |
|---|---|---|---|
| Gain Range | 1 | - | 10,000 |
| Gain Error | - | - | 0.02% Max |
| Gain Temperature Coefficient (TC) | - | - | 5 ppm/°C Max |
| Nonlinearity | - | - | 0.001% Max |
| Input Offset Voltage | - | - | 25 µV |
| Noise (at 1 kHz) | - | - | 4 nV/√Hz |
| Gain Bandwidth Product | - | - | 25 MHz |
| Slew Rate | - | 5.0 V/µs | - |
| Settling Time (to 0.01%, 20 V Step) | - | 15 µs (G = 1 to 200) | - |
| Temperature Range (Commercial Grade) | 0°C | - | +70°C |
| Power Supply Range | ±6 V | - | ±18 V |
| Quiescent Current | 3.5 mA | 5 mA | - |
Key Features
- User-programmed gains of 1 to 10,000 with completely user-selected gain steps.
- Low gain error: 0.02% Max.
- Low gain temperature coefficient: 5 ppm/°C Max.
- Low nonlinearity: 0.001% Max.
- Low offset voltage: 25 µV.
- Low noise: 4 nV/√Hz at 1 kHz.
- Gain bandwidth product: 25 MHz.
- Slew rate: 5 V/µs.
- Settling time: 15 µs (to 0.01%, 20 V Step for G = 1 to 200).
- Totally independent input and output offset nulling terminals for high precision applications.
- MIL-Standard parts available.
- Available in 16-Lead Ceramic or Plastic DIP and 20-Terminal LCC packages.
Applications
- Circuits requiring nonstandard gains that are not easily achievable with other devices.
- Circuits needing a low-cost, precision software programmable gain amplifier.
- Industrial and commercial applications where high precision and adjustable gain settings are necessary.
- Medical devices, test and measurement equipment, and industrial control systems.
- Any application requiring high CMRR, low drift, and low noise.
Q & A
- What is the gain range of the AD625KNZ?
The AD625KNZ can be programmed for gains from 1 to 10,000.
- What is the maximum gain error of the AD625KNZ?
The maximum gain error is 0.02%.
- What is the gain temperature coefficient of the AD625KNZ?
The gain temperature coefficient is 5 ppm/°C Max.
- What is the input offset voltage of the AD625KNZ?
The input offset voltage is 25 µV.
- What is the noise level of the AD625KNZ at 1 kHz?
The noise level is 4 nV/√Hz at 1 kHz.
- What is the gain bandwidth product of the AD625KNZ?
The gain bandwidth product is 25 MHz.
- What is the slew rate of the AD625KNZ?
The slew rate is 5 V/µs.
- What is the settling time of the AD625KNZ for a 20 V step?
The settling time to 0.01% for a 20 V step is 15 µs for gains from 1 to 200.
- What are the available package types for the AD625KNZ?
The AD625KNZ is available in 16-Lead Ceramic or Plastic DIP and 20-Terminal LCC packages.
- What are the typical applications of the AD625KNZ?
The AD625KNZ is used in circuits requiring nonstandard gains, low-cost precision software programmable gain amplifiers, and applications needing high CMRR, low drift, and low noise.
- What is the temperature range for the commercial grade AD625KNZ?
The commercial grade (K) operates from 0°C to +70°C.
