Overview
The AD8206YRZ-REEL, produced by Analog Devices Inc., is a high common-mode voltage, bidirectional current shunt amplifier. This single-supply difference amplifier is designed to amplify small differential voltages in the presence of large common-mode voltages. It offers excellent DC performance over temperature, minimizing errors in the measurement loop. The AD8206 is particularly suited for applications requiring high accuracy and stability over a wide temperature range.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Gain | - | 20 | - | V/V |
| Gain Accuracy (VO ≥ 0.1 V, 25°C) | - | ±1% | - | % |
| Gain vs. Temperature | - | 30 ppm/°C | - | ppm/°C |
| Offset Voltage (RTI) at 25°C | - | ±2 mV | - | mV |
| Offset Voltage Over Temperature | - | ±4.5 mV | - | mV |
| Offset Drift | - | 15 µV/°C | - | µV/°C |
| Input Impedance (Differential) | - | 400 kΩ | - | kΩ |
| Input Impedance (Common Mode) | - | 200 kΩ | - | kΩ |
| Common Mode Input Range | -2 | - | 65 | V |
| Common Mode Rejection Ratio (CMRR) at 25°C | - | 86 dB | - | dB |
| Output Voltage Range (RL = 25 kΩ) | 0.08 | - | 4.7 | V |
| Output Resistance | - | 2 Ω | - | Ω |
| Small Signal -3 dB Bandwidth | - | 100 kHz | - | kHz |
| Slew Rate | - | 0.5 V/µs | - | V/µs |
| Power Supply Range | 4.5 | - | 5.5 | V |
| Quiescent Current (VO = 0.1 V, 25°C) | - | 2 mA | - | mA |
| Operating Temperature Range | -40 | - | 125 | °C |
Key Features
- High Common-Mode Voltage: The AD8206 can handle common-mode voltages from -2 V to +65 V, making it suitable for high-side current sensing and other applications where high common-mode voltages are present.
- Excellent DC Performance: The amplifier offers high gain accuracy (±1% at 25°C) and low offset drift (15 µV/°C), ensuring minimal errors in the measurement loop over temperature.
- Adjustable Output Offset: The output offset can be adjusted from 0.08 V to 4.7 V using the VREF1 and VREF2 pins, allowing for flexible output configurations.
- High Common Mode Rejection Ratio (CMRR): With a CMRR of 86 dB at 25°C, the AD8206 effectively rejects common-mode noise.
- Low Output Resistance: The output resistance of 2 Ω ensures that the amplifier can drive loads efficiently.
- Compact Packaging: The 8-lead SOIC-N package makes it suitable for space-constrained designs.
Applications
- High-Side Current Sensing: Ideal for motor controls, transmission controls, diesel-injection controls, and other automotive applications.
- Engine Management: Used in engine management systems where precise measurement of current is critical.
- Suspension and Vehicle Dynamic Controls: Suitable for applications in vehicle suspension and dynamic control systems.
- DC-to-DC Converters: Can be used in DC-to-DC converter designs where high accuracy and stability are required.
Q & A
- What is the gain of the AD8206 amplifier?
The gain of the AD8206 amplifier is 20 V/V.
- What is the common-mode input range of the AD8206?
The common-mode input range is from -2 V to +65 V.
- How can the output offset of the AD8206 be adjusted?
The output offset can be adjusted from 0.08 V to 4.7 V using the VREF1 and VREF2 pins.
- What is the typical slew rate of the AD8206?
The typical slew rate is 0.5 V/µs.
- What is the operating temperature range of the AD8206?
The operating temperature range is from -40°C to +125°C.
- Is the AD8206 RoHS compliant?
Yes, the AD8206 is RoHS compliant.
- What is the typical offset drift of the AD8206?
The typical offset drift is 15 µV/°C.
- What is the common-mode rejection ratio (CMRR) of the AD8206 at 25°C?
The CMRR at 25°C is typically 86 dB.
- What are some typical applications of the AD8206?
Typical applications include high-side current sensing in motor controls, transmission controls, diesel-injection controls, engine management, suspension controls, and DC-to-DC converters.
- What is the package type of the AD8206YRZ-REEL?
The package type is an 8-lead SOIC-N.
