Overview
The AD8228ARMZ-R7 is a high-performance instrumentation amplifier produced by Analog Devices Inc. This component is designed for precise, low-cost signal conditioning and is particularly noted for its high gain accuracy. The gain setting resistors are internal and laser trimmed, which enhances gain accuracy and minimizes gain drift. It is suitable for applications requiring excellent DC performance, such as bridge signal conditioning, industrial process controls, and medical instrumentation.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD8228ARMZ-R7 |
| Package | 8-MSOP (0.118", 3.00mm Width) |
| Input Bias Current | 500 pA |
| Input Offset Voltage (Vos) | 90 µV |
| Bandwidth | 650 kHz |
| Common Mode Rejection Ratio (CMRR) | 100 dB |
| Slew Rate | 2.5 V/µs |
| Supply Voltage | 4.6 V ~ 36 V, ±2.3 V ~ 18 V |
| Operating Temperature | -40°C ~ 85°C |
| Supply Current | 850 µA |
| Output Current per Channel | 18 mA |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- High gain accuracy due to internal, laser-trimmed gain setting resistors.
- Low input bias current of 500 pA and low offset voltage of 90 µV.
- High slew rate of 2.5 V/µs and operational bandwidth up to 650 kHz.
- Supports both single and dual voltage supplies.
- Robust temperature range from -40°C to 85°C.
- Compact 8-MSOP package with surface mount technology.
- High CMRR of 100 dB, making it suitable for high common-mode input voltages.
Applications
- Weigh scales and industrial process controls.
- Bridge amplifiers and precision data acquisition systems.
- Medical instrumentation and strain gauges.
- Transducer interfaces and other applications requiring high DC performance.
Q & A
- What is the input bias current of the AD8228ARMZ-R7?
The input bias current is 500 pA.
- What is the input offset voltage of the AD8228ARMZ-R7?
The input offset voltage is 90 µV.
- What is the bandwidth of the AD8228ARMZ-R7?
The bandwidth is up to 650 kHz.
- What is the common mode rejection ratio (CMRR) of the AD8228ARMZ-R7?
The CMRR is 100 dB.
- What are the supported supply voltage ranges for the AD8228ARMZ-R7?
The component supports supply voltages from 4.6 V to 36 V for single supply and ±2.3 V to ±18 V for dual supply.
- What is the operating temperature range of the AD8228ARMZ-R7?
The operating temperature range is from -40°C to 85°C.
- What is the package type of the AD8228ARMZ-R7?
The package type is 8-MSOP (0.118", 3.00mm Width).
- Is the AD8228ARMZ-R7 RoHS compliant?
Yes, the AD8228ARMZ-R7 is lead free and RoHS compliant.
- What are some typical applications of the AD8228ARMZ-R7?
Typical applications include weigh scales, industrial process controls, bridge amplifiers, precision data acquisition systems, medical instrumentation, and transducer interfaces.
- What is the slew rate of the AD8228ARMZ-R7?
The slew rate is 2.5 V/µs.
