Overview
The AD22050RZ, produced by Analog Devices Inc., is a single-supply difference amplifier designed for amplifying and low-pass filtering small differential voltages. This component is particularly useful in sensor interface applications, offering a versatile and reliable solution for various industrial and automotive needs.
Key Specifications
| Specification | Value |
|---|---|
| Gain | ×20, adjustable from ×1 to ×160 |
| Input Common-Mode Range | Below ground to 6× (V_S - 1 V) |
| Output Span | 20 mV to (V_S - 0.2) V |
| Low-Pass Filtering | 1-, 2-, 3-pole available |
| Differential Input Resistance | 400 kΩ |
| Supply Voltage | +3.0 V to +36 V |
| Peak Input Voltage (40 ms) | 60 V |
| Reversed Supply Protection | -34 V |
| Operating Temperature Range | -40°C to +125°C |
Key Features
- Accurate midscale offset capability for bipolar signals
- Transient spike protection and RFI filters included
- Drives 1 kΩ load to +4 V using V_S = +5 V
- Excellent common-mode rejection ratio (CMRR)
- Optional low-pass filtering and gain adjustment provisions
Applications
The AD22050RZ is suitable for a variety of applications, including:
- Sensor interfaces in industrial and automotive systems
- Signal conditioning for small differential voltages
- Low-pass filtering in noise-sensitive environments
- Systems requiring high CMRR and accurate midscale offset
Q & A
- What is the primary function of the AD22050RZ?
The AD22050RZ is a single-supply difference amplifier designed for amplifying and low-pass filtering small differential voltages.
- What is the adjustable gain range of the AD22050RZ?
The gain is adjustable from ×1 to ×160, with a default gain of ×20.
- What is the input common-mode range of the AD22050RZ?
The input common-mode range extends from below ground to 6× (V_S - 1 V).
- What types of low-pass filtering are available on the AD22050RZ?
The AD22050RZ offers 1-, 2-, and 3-pole low-pass filtering options.
- What is the differential input resistance of the AD22050RZ?
The differential input resistance is 400 kΩ.
- What is the supply voltage range for the AD22050RZ?
The supply voltage range is from +3.0 V to +36 V.
- What is the peak input voltage the AD22050RZ can handle for 40 ms?
The peak input voltage is 60 V for 40 ms.
- What is the reversed supply protection voltage of the AD22050RZ?
The reversed supply protection voltage is -34 V.
- What is the operating temperature range of the AD22050RZ?
The operating temperature range is from -40°C to +125°C.
- Does the AD22050RZ have built-in protection features?
Yes, it includes transient spike protection and RFI filters.
