Overview
The AD8209WBRMZ-R7, produced by Analog Devices Inc., is a high-voltage, precision difference amplifier designed for amplifying and low-pass filtering small differential voltages. This single-supply amplifier is particularly suited for applications requiring high common-mode voltage ranges and precise gain settings. It is AEC-Q100 qualified, making it suitable for automotive and other demanding environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | 8-MSOP | - |
| Operating Temperature | -40°C to 125°C | - |
| Supply Voltage | 4.5 V to 5.5 V | V |
| Input Offset Voltage | ±2 mV | mV |
| Input Bias Current | 50 nA | nA |
| Common Mode Range | -2 V to +45 V | V |
| Common Mode Rejection Ratio (CMRR) | 80 dB (dc to 10 kHz) | dB |
| Gain (A1 + A2) | 14 V/V | V/V |
| Slew Rate | 1 V/µs | V/µs |
| Gain Bandwidth Product | 80 kHz | kHz |
| ESD Protection | ±8000 V HBM | V |
Key Features
- High Common-Mode Voltage Range: Operates from -2 V to +45 V, making it suitable for a wide range of applications.
- Precision Gain: Total system gain of 14 V/V with high precision resistor ratio matching.
- High CMRR: Common Mode Rejection Ratio of 80 dB from dc to 10 kHz.
- Low Input Offset Voltage: Initial input offset voltage of ±2 mV and low drift over temperature.
- ESD Protection: ±8000 V HBM ESD protection for shunt-based applications.
- AEC-Q100 Qualified: Suitable for automotive and other demanding environments.
- Integrated EMI Filters: Reduces electromagnetic interference.
- Low-Pass Filtering Capability: Can be configured for low-pass filtering by connecting the preamplifier output to the buffer input with a capacitor to ground.
Applications
- Automotive Systems: Suitable due to its AEC-Q100 qualification and high reliability.
- Industrial Control Systems: Used for amplifying and filtering differential signals in industrial environments.
- Medical Devices: Ideal for precision amplification and filtering in medical equipment.
- Test and Measurement Equipment: Utilized for precise signal conditioning and amplification.
Q & A
- What is the operating temperature range of the AD8209WBRMZ-R7?
The operating temperature range is -40°C to 125°C.
- What is the common mode voltage range of the AD8209WBRMZ-R7?
The common mode voltage range is -2 V to +45 V.
- What is the typical CMRR of the AD8209WBRMZ-R7?
The typical CMRR is 80 dB from dc to 10 kHz.
- What is the gain of the AD8209WBRMZ-R7?
The total system gain is 14 V/V.
- Is the AD8209WBRMZ-R7 AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified.
- What is the slew rate of the AD8209WBRMZ-R7?
The slew rate is 1 V/µs.
- What is the gain bandwidth product of the AD8209WBRMZ-R7?
The gain bandwidth product is 80 kHz.
- Does the AD8209WBRMZ-R7 have ESD protection?
Yes, it has ±8000 V HBM ESD protection.
- Can the AD8209WBRMZ-R7 be used for low-pass filtering?
Yes, it can be configured for low-pass filtering by connecting the preamplifier output to the buffer input with a capacitor to ground.
- What is the input bias current of the AD8209WBRMZ-R7?
The input bias current is 50 nA.
