Overview
The AD625SD/883B is a precision instrumentation amplifier produced by Analog Devices Inc. It is designed to meet the requirements of circuits needing nonstandard gains and low-cost, precision software programmable gain amplifiers. This amplifier offers a wide range of user-programmable gains from 1 to 10,000, making it highly versatile for various applications. The AD625SD/883B is available in several accuracy grades, including industrial, commercial, and extended temperature ranges, ensuring its suitability for diverse environmental conditions.
Key Specifications
| Parameter | Min | Typ | Max |
|---|---|---|---|
| Gain Range | 1 | - | 10,000 |
| Gain Error | - | 0.02% | - |
| Gain Temperature Coefficient (TC) | - | 5 ppm/°C | - |
| Nonlinearity | - | 0.001% | - |
| Offset Voltage | - | 25 µV | - |
| Noise (at 1 kHz) | - | 4 nV/√Hz | - |
| Gain Bandwidth Product | - | 25 MHz | - |
| Slew Rate | - | 5 V/µs | - |
| Settling Time (to 0.01%, 20 V Step) | - | 15 µs (G = 1 to 200) | - |
| Temperature Range | -55°C | - | +125°C (S Grade) |
| Power Supply Range | ±6 V | - | ±18 V |
| Quiescent Current | 3.5 mA | 5 mA | - |
Key Features
- User-programmable gains from 1 to 10,000 using three external resistors.
- 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.
- High gain bandwidth product: 25 MHz.
- Fast slew rate: 5 V/µs.
- Quick settling time: 15 µs (G = 1 to 200).
- 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 not easily achievable with other devices.
- Low-cost, precision software programmable gain amplifiers.
- Industrial, commercial, and military applications due to its wide temperature range and MIL-Standard availability.
- Signal conditioning in various industries such as instrumentation, smart industry, electrification, and digital health.
- High-precision measurement and data acquisition systems.
Q & A
- What is the gain range of the AD625SD/883B?
The AD625SD/883B can be programmed for gains from 1 to 10,000.
- What is the maximum gain error of the AD625SD/883B?
The maximum gain error is 0.02%.
- What is the gain temperature coefficient of the AD625SD/883B?
The gain temperature coefficient is 5 ppm/°C max.
- What is the noise level of the AD625SD/883B at 1 kHz?
The noise level is 4 nV/√Hz at 1 kHz.
- What is the gain bandwidth product of the AD625SD/883B?
The gain bandwidth product is 25 MHz.
- What are the available package types for the AD625SD/883B?
The AD625SD/883B is available in 16-Lead Ceramic or Plastic DIP and 20-Terminal LCC packages.
- What is the temperature range for the S Grade of the AD625SD/883B?
The S Grade operates over a temperature range of -55°C to +125°C.
- How is the gain of the AD625SD/883B programmed?
The gain is programmed using three external resistors.
- Does the AD625SD/883B support software programmable gain amplifier configurations?
Yes, it can be configured as a software programmable gain amplifier with the addition of a CMOS multiplexer and a resistor network.
- What is the slew rate of the AD625SD/883B?
The slew rate is 5 V/µs.
