Description

The AD22050RZ-REEL is a single-supply difference amplifier designed for amplifying and low-pass filtering small differential voltages. It is commonly used in applications such as current sensing, motor control, and as an interface for pressure transducers, position indicators, strain gauges, and other low-level signal sources.

Specifications and features

• Gain: x20 (alterable from x1 to x160)
• Input Common-Mode Range: Below ground to 6x (VS – 1 V)
• Output Span: 20 mV to (VS – 0.2) V
• 1-, 2-, 3-Pole Low-Pass Filtering Available
• Accurate Midscale Offset Capability
• Differential Input Resistance: 400 kΩ
• Drive Capability: Drives 1 kΩ Load to +4 V Using VS = +5 V
• Supply Voltage: +3.0 V to +36 V
• Transient Spike Protection and RFI Filters Included
• Peak Input Voltage (40 ms): 60 V
• Reversed Supply Protection: –34 V
• Operating Temperature Range: –40°C to +125°C

Application Scenarios

The AD22050RZ-REEL is widely used in various electronic applications, including:

• Current Sensing
• Motor Control
• Interface for Pressure Transducers
• Position Indicators
• Strain Gauges
• Other Low-Level Signal Sources

Comparison

- Single-supply design for convenience

- Wide input common-mode range

- Accurate midscale offset capability

- Multiple low-pass filtering options

- Protecting measures against transient spikes and RFI

- Reversed supply protection

- Limited operating temperature range (-40°C to +125°C)