Overview
The AD8202YR, produced by Analog Devices Inc., is a single-supply difference amplifier designed for amplifying and low-pass filtering small differential voltages in the presence of large common-mode voltages. This device is particularly suited for applications requiring high precision and robust performance in harsh environments, such as automotive systems.
The AD8202YR is available in various packages, including MSOP and SOIC, and is specified over a wide temperature range from −40°C to +125°C, making it ideal for use in many automotive platforms. It offers excellent ac and dc performance, minimizing errors in the user’s system.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 3.5 | 12 | V | |
| Quiescent Current | 0.25 | 1.0 | 1.0 | mA |
| Input Bias Current | 40 | nA | ||
| Gain Drift | 1 | ppm/°C | ||
| Offset Drift | 0.3 (SOIC), 2 (MSOP) | µV/°C | ||
| Common-Mode Rejection Ratio (CMRR) | 80 | dB (dc to 10 kHz) | ||
| Slew Rate | 0.28 | V/μs | ||
| Operating Temperature Range | −40 | +125 | °C | |
| Package Type | MSOP, SOIC |
Key Features
- Single-supply operation with a supply voltage range of 3.5 V to 12 V.
- High common-mode voltage range from −6 V to +28 V at a typical supply voltage of 5 V.
- Low gain drift of 1 ppm/°C and low offset drift of 0.3 µV/°C (SOIC) or 2 µV/°C (MSOP).
- High CMRR of 80 dB from dc to 10 kHz.
- Externally accessible 100 kΩ resistor for low-pass filter applications and adjustable gain settings.
- Wide operating temperature range from −40°C to +125°C.
- Low quiescent current of 0.25 mA to 1.0 mA.
- Slew rate of 0.28 V/μs.
Applications
- Automotive systems: transmission control, diesel injection control, engine management, adaptive suspension control, and vehicle dynamics control.
- Industrial control systems requiring high precision and robust performance.
- Measurement and instrumentation systems where small differential signals need to be extracted from large common-mode voltages.
Q & A
- What is the primary function of the AD8202YR?
The AD8202YR is a single-supply difference amplifier designed to amplify and low-pass filter small differential voltages in the presence of large common-mode voltages.
- What is the supply voltage range for the AD8202YR?
The supply voltage range for the AD8202YR is from 3.5 V to 12 V.
- What is the common-mode voltage range for the AD8202YR?
The common-mode voltage range extends from −6 V to +28 V at a typical supply voltage of 5 V.
- What is the typical gain drift of the AD8202YR?
The typical gain drift is 1 ppm/°C.
- What is the CMRR of the AD8202YR?
The CMRR is a minimum of 80 dB from dc to 10 kHz.
- What is the slew rate of the AD8202YR?
The slew rate is 0.28 V/μs.
- What are the typical operating temperature ranges for the AD8202YR?
The operating temperature range is from −40°C to +125°C.
- What packages are available for the AD8202YR?
The AD8202YR is available in MSOP and SOIC packages.
- What are some common applications for the AD8202YR?
Common applications include automotive systems, industrial control systems, and measurement and instrumentation systems.
- How does the AD8202YR handle input bias current?
The input bias current is typically 40 nA.
- Can the gain of the AD8202YR be adjusted?
Yes, the gain can be adjusted using an externally accessible 100 kΩ resistor.
