Overview
The AD8417WBRZ from Analog Devices Inc. is a high-voltage, high-resolution current sense amplifier designed for precise current sensing in various applications. This single-channel amplifier features a unique zero-drift architecture, ensuring high accuracy and stability over a wide temperature range. It is particularly suited for automotive and industrial applications due to its robust performance and compliance with automotive standards such as AEC-Q100.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Amplifier Type | Current Sense |
| Number of Circuits | 1 |
| Slew Rate | 1 V/µs |
| -3db Bandwidth | 250 kHz |
| Current - Input Bias | 130 µA |
| Voltage - Input Offset | 200 µV |
| Current - Supply | 4.1 mA |
| Voltage - Supply Span (Min) | 2.7 V |
| Voltage - Supply Span (Max) | 5.5 V |
| Operating Temperature | -40°C to +125°C |
| Grade | Automotive |
| Mounting Type | Surface Mount |
| CMRR | 90 dB |
| Vcm - Common Mode Voltage | -2 V to 70 V |
| Output Voltage Range | 0.045 VS - 0.035 V |
Key Features
- Bidirectional operation, allowing it to measure both positive and negative currents.
- High common-mode rejection ratio (CMRR) of 90 dB, ensuring accurate measurements in noisy environments.
- Wide operating temperature range from -40°C to +125°C, making it suitable for harsh environments.
- Low input offset voltage of 200 µV and low input bias current of 130 µA, contributing to high precision.
- High slew rate of 1 V/µs and a bandwidth of 250 kHz, enabling fast response times.
- AEC-Q100 qualified, ensuring reliability in automotive applications.
- Compact SOIC-8 package, ideal for space-constrained designs.
Applications
- High-side current sensing in motor controls and solenoid controls.
- Power management systems requiring precise current monitoring.
- Low-side current sensing in various industrial and automotive applications.
- Diagnostic protection and monitoring in high-reliability systems.
Q & A
- What is the primary function of the AD8417WBRZ? The AD8417WBRZ is a high-voltage, high-resolution current sense amplifier designed for precise current sensing.
- What is the operating temperature range of the AD8417WBRZ? The operating temperature range is from -40°C to +125°C.
- What is the common-mode rejection ratio (CMRR) of the AD8417WBRZ? The CMRR is 90 dB.
- What is the slew rate of the AD8417WBRZ? The slew rate is 1 V/µs.
- Is the AD8417WBRZ AEC-Q100 qualified? Yes, it is AEC-Q100 qualified for automotive applications.
- What is the package type of the AD8417WBRZ? It comes in an 8-SOIC package.
- What is the input offset voltage of the AD8417WBRZ? The input offset voltage is 200 µV.
- What is the supply voltage range of the AD8417WBRZ? The supply voltage range is from 2.7 V to 5.5 V.
- What is the quiescent current of the AD8417WBRZ? The quiescent current is 4.1 mA.
- What are some typical applications of the AD8417WBRZ? Typical applications include high-side current sensing in motor controls, power management, and low-side current sensing in industrial and automotive systems.
