Overview
The AD8222BCPZ-R7 is a high-performance, dual-channel instrumentation amplifier produced by Analog Devices Inc. This device is designed to provide high accuracy and low noise, making it suitable for a variety of precision measurement applications. The AD8222BCPZ-R7 features a compact 4 mm x 4 mm LFCSP (Lead Frame Chip Scale Package) and operates over an industrial temperature range of -40°C to +85°C.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 16-Lead LFCSP (4mm x 4mm w/ EP) |
| Number of Channels | Dual |
| Gain Range | 1 to 10,000 (set with 1 external resistor per amplifier) |
| Supply Voltage Range | ±2.3 V to ±18 V |
| Input Offset Voltage | 60 µV (maximum) |
| Input Offset Drift | 0.3 µV/°C (maximum) |
| Input Bias Current | 1.0 nA (maximum) |
| Common Mode Rejection Ratio (CMRR) | 126 dB (minimum at G = 100) |
| Bandwidth | 140 kHz (at G = 100) |
| Settling Time | 13 µs to 0.001% |
| Operating Temperature Range | -40°C to +85°C |
| Supply Current | 2.2 mA (maximum for both amplifiers) |
Key Features
- High performance with low noise: 8 nV/√Hz at 1 kHz and 0.25 µV p-p (0.1 Hz to 10 Hz).
- High accuracy DC performance with a maximum input offset voltage of 60 µV and a maximum input offset drift of 0.3 µV/°C.
- Excellent AC performance with a bandwidth of 140 kHz and a settling time of 13 µs to 0.001%.
- Differential output option for single-channel configuration, providing high noise immunity and suitability for driving differential input ADCs.
- Adjustable common-mode output and fully specified operation over the industrial temperature range.
- Compact 4 mm x 4 mm LFCSP package, allowing for higher channel density and lower cost per channel without compromising performance.
Applications
- Multichannel data acquisition systems
- ECG and medical instrumentation
- Industrial process controls
- Wheatstone bridge sensors
- Differential drives for high-resolution input ADCs
- Remote sensors in noisy environments.
Q & A
- What is the package type of the AD8222BCPZ-R7?
The AD8222BCPZ-R7 comes in a 16-Lead LFCSP (Lead Frame Chip Scale Package) with dimensions of 4 mm x 4 mm.
- How many channels does the AD8222BCPZ-R7 have?
The AD8222BCPZ-R7 is a dual-channel instrumentation amplifier).
- What is the gain range of the AD8222BCPZ-R7?
The gain range of the AD8222BCPZ-R7 is from 1 to 10,000, set with one external resistor per amplifier).
- What is the supply voltage range for the AD8222BCPZ-R7?
The supply voltage range for the AD8222BCPZ-R7 is ±2.3 V to ±18 V).
- What is the maximum input offset voltage of the AD8222BCPZ-R7?
The maximum input offset voltage of the AD8222BCPZ-R7 is 60 µV).
- What is the common mode rejection ratio (CMRR) of the AD8222BCPZ-R7?
The CMRR of the AD8222BCPZ-R7 is a minimum of 126 dB at a gain of 100).
- What is the bandwidth of the AD8222BCPZ-R7 at a gain of 100?
The bandwidth of the AD8222BCPZ-R7 at a gain of 100 is 140 kHz).
- What is the settling time of the AD8222BCPZ-R7 to 0.001%?
The settling time of the AD8222BCPZ-R7 to 0.001% is 13 µs).
- What is the operating temperature range of the AD8222BCPZ-R7?
The operating temperature range of the AD8222BCPZ-R7 is -40°C to +85°C).
- Can the AD8222BCPZ-R7 be used in differential output configurations?
Yes, the AD8222BCPZ-R7 can be configured as a single-channel, differential output instrumentation amplifier, providing high noise immunity and suitability for driving differential input ADCs).
