Overview
The AD624ADZ is a high precision, low noise instrumentation amplifier designed by Analog Devices Inc. It is primarily used with low-level transducers such as load cells, strain gauges, and pressure transducers. The AD624ADZ offers an outstanding combination of low noise, high gain accuracy, low gain temperature coefficient, and high linearity, making it ideal for high-resolution data acquisition systems.
Key Specifications
| Parameter | Value |
|---|---|
| Input Offset Voltage | 25 µV (max) |
| Input Offset Voltage Drift | 0.25 µV/°C (max) |
| Output Offset Voltage Drift | 10 µV/°C (max) |
| Common Mode Rejection Ratio (CMRR) | 80 dB at unity gain, 130 dB at G = 500 |
| Nonlinearity | 0.001% (max) at G = 1 |
| Gain Bandwidth Product | 25 MHz |
| Slew Rate | 5 V/µs |
| Settling Time | 15 µs |
| Input Noise | Typically less than 4 nV/√Hz at 1 kHz |
| Package | 16-Lead Side Brazed CerDIP |
Key Features
- High precision and low noise, making it suitable for high-resolution data acquisition systems.
- Pin-programmable gains of 1, 100, 200, 500, and 1000 without the need for external components.
- Additional gains such as 250 and 333 can be programmed with external jumpers, and any gain from 1 to 10,000 can be set using a single external resistor.
- Totally independent input and output offset nulling terminals for high precision applications.
- A sense terminal to minimize errors induced by long leads and a reference terminal for output level shifting.
- Superior AC performance with a 25 MHz gain bandwidth product, 5 V/µs slew rate, and 15 µs settling time.
Applications
- High-resolution data acquisition systems.
- Use with low-level transducers such as load cells, strain gauges, and pressure transducers.
- High-speed data acquisition applications due to its superior AC performance.
- Industrial and commercial environments requiring high precision and low noise amplification.
Q & A
- What is the primary use of the AD624ADZ instrumentation amplifier?
The AD624ADZ is primarily used with low-level transducers such as load cells, strain gauges, and pressure transducers in high-resolution data acquisition systems.
- What are the pin-programmable gains available on the AD624ADZ?
The AD624ADZ offers pin-programmable gains of 1, 100, 200, 500, and 1000 without the need for external components.
- How can additional gains be achieved with the AD624ADZ?
Additional gains such as 250 and 333 can be programmed with external jumpers, and any gain from 1 to 10,000 can be set using a single external resistor.
- What is the input noise specification of the AD624ADZ?
The input noise is typically less than 4 nV/√Hz at 1 kHz.
- What is the common mode rejection ratio (CMRR) of the AD624ADZ?
The CMRR is above 80 dB at unity gain and 130 dB at G = 500.
- What is the gain bandwidth product of the AD624ADZ?
The gain bandwidth product is 25 MHz.
- What is the slew rate and settling time of the AD624ADZ?
The slew rate is 5 V/µs, and the settling time is 15 µs.
- Does the AD624ADZ require external components for pretrimmed gains?
No, the AD624ADZ does not require any external components for pretrimmed gains of 1, 100, 200, 500, and 1000.
- What are the offset nulling capabilities of the AD624ADZ?
The AD624ADZ provides totally independent input and output offset nulling terminals for high precision applications.
- What package options are available for the AD624ADZ?
The AD624ADZ is available in a 16-Lead Side Brazed CerDIP package.
