Overview
The AD8206WYRZ-R7 is a high-performance, single-supply difference amplifier manufactured by Analog Devices Inc. This component is designed to amplify small differential voltages in the presence of large common-mode voltages, making it ideal for various high-side current sensing applications. The AD8206 operates with a single supply voltage and features a wide operating temperature range, excellent AC and DC performance, and high common-mode rejection ratio (CMRR).
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| GAIN | - | 20 | - | V/V |
| Gain Accuracy (VO ≥ 0.1 V, 25°C) | - | ±1% | - | % |
| Gain Drift | - | 30 ppm/°C | - | ppm/°C |
| Voltage Offset (RTI, 25°C) | - | ±2 mV | - | mV |
| Offset Drift | - | 15 µV/°C | - | µV/°C |
| Input Impedance (Differential) | - | 400 kΩ | - | kΩ |
| Input Voltage Range (Common Mode) | -2 | - | +65 | V |
| Common-Mode Rejection Ratio (CMRR, 25°C, dc to 20 kHz) | 76 | 86 | - | 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 |
| Operating Supply Voltage | 4.5 | - | 5.5 | V |
| Quiescent Current (VO = 0.1 V dc) | - | 2 mA | - | mA |
| Operating Temperature Range | -40 | - | +125 (Y/WY grade), +150 (WH grade) | °C |
Key Features
- High Common-Mode Voltage Range: Operates from 2 V to +65 V, with survival up to +75 V.
- Bidirectional Operation: Supports both unidirectional and bidirectional current sensing.
- Excellent AC and DC Performance: Features low offset voltage drift (15 µV/°C) and gain drift (30 ppm/°C), along with high CMRR (up to 86 dB from dc to 20 kHz).
- Adjustable Output Offset: The output offset can be adjusted from 0.08 V to 4.7 V using the VREF1 and VREF2 pins.
- Wide Operating Temperature Range: Rated for operation from -40°C to +125°C (Y/WY grade) and up to +150°C (WH grade).
- Compact Packaging: Available in an 8-lead SOIC package.
- Automotive Qualification: Qualified for automotive applications.
Applications
- High-Side Current Sensing: Ideal for motor controls, transmission controls, diesel-injection controls, engine management, suspension controls, and vehicle dynamic controls.
- DC-to-DC Converters: Suitable for applications requiring precise current monitoring and control.
- Industrial Automation: Used in various industrial automation systems where accurate current sensing is critical.
Q & A
- What is the primary function of the AD8206WYRZ-R7?
The AD8206WYRZ-R7 is a single-supply difference amplifier designed to amplify small differential voltages in the presence of large common-mode voltages.
- What is the operating supply voltage range of the AD8206WYRZ-R7?
The operating supply voltage range is from 4.5 V to 5.5 V.
- What is the common-mode rejection ratio (CMRR) of the AD8206WYRZ-R7?
The CMRR is up to 86 dB from dc to 20 kHz.
- How can the output offset of the AD8206WYRZ-R7 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 operating temperature range of the AD8206WYRZ-R7?
The operating temperature range is from -40°C to +125°C (Y/WY grade) and up to +150°C (WH grade).
- In what package is the AD8206WYRZ-R7 available?
The AD8206WYRZ-R7 is available in an 8-lead SOIC package.
- Is the AD8206WYRZ-R7 qualified for automotive applications?
Yes, the AD8206WYRZ-R7 is qualified for automotive applications.
- What are some typical applications of the AD8206WYRZ-R7?
Typical applications include high-side current sensing in motor controls, transmission controls, diesel-injection controls, engine management, suspension controls, and vehicle dynamic controls.
- How does the AD8206WYRZ-R7 handle bidirectional current sensing?
The AD8206WYRZ-R7 supports both unidirectional and bidirectional current sensing, making it versatile for various applications.
- What is the slew rate of the AD8206WYRZ-R7?
The slew rate is 0.5 V/µs.
