Overview
The AD8417BRMZ is a high-voltage, high-resolution current sense amplifier produced by Analog Devices Inc. This component is designed for precise current sensing in various applications, particularly in high-side and low-side current sensing scenarios. It features a unique zero-drift architecture, ensuring high accuracy and stability over a wide temperature range.
Key Specifications
| Parameter | Value |
|---|---|
| Gain | 60 V/V |
| Gain Error | ±0.3% over temperature range |
| Common Mode Rejection Ratio (CMRR) | 86 dB (dc to 10 kHz) |
| Input Common Mode Voltage Range | -2 V to +70 V |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Quiescent Current | 4.1 mA (AD8417WB and AD8417B), 4.2 mA (AD8417WH) |
| Operating Temperature Range | -40°C to +125°C (AD8417WB and AD8417B), -40°C to +150°C (AD8417WH) |
| Bandwidth | 250 kHz |
| Slew Rate | 1 V/µs |
| Input Offset Voltage | 200 µV (max) |
| Package | 8-lead MSOP, 8-lead SOIC_N |
Key Features
- Bidirectional operation, allowing for both high-side and low-side current sensing.
- Zero-drift architecture, ensuring minimal input offset drift of less than 0.4 µV/°C.
- High common-mode rejection ratio (CMRR) of 86 dB (dc to 10 kHz).
- Wide operating temperature range: -40°C to +125°C (AD8417WB and AD8417B), -40°C to +150°C (AD8417WH).
- AEC-Q100 qualified for automotive applications.
- Patented technology to eliminate the negative effects of fast-changing external common-mode variations.
Applications
- High-side current sensing in motor controls and solenoid controls.
- Power management systems.
- Low-side current sensing.
- Diagnostic protection circuits.
- Automotive applications due to AEC-Q100 qualification.
Q & A
- What is the gain of the AD8417BRMZ?
The AD8417BRMZ has a gain of 60 V/V. - What is the common mode rejection ratio (CMRR) of the AD8417BRMZ?
The CMRR is 86 dB (dc to 10 kHz). - What is the operating temperature range of the AD8417BRMZ?
The operating temperature range is -40°C to +125°C for AD8417WB and AD8417B, and -40°C to +150°C for AD8417WH. - What is the quiescent current of the AD8417BRMZ?
The quiescent current is 4.1 mA for AD8417WB and AD8417B, and 4.2 mA for AD8417WH. - Is the AD8417BRMZ suitable for automotive applications?
Yes, it is AEC-Q100 qualified for automotive applications. - What is the bandwidth of the AD8417BRMZ?
The bandwidth is 250 kHz. - What is the slew rate of the AD8417BRMZ?
The slew rate is 1 V/µs. - What is the input offset voltage of the AD8417BRMZ?
The input offset voltage is 200 µV (max). - What are the typical applications of the AD8417BRMZ?
Typical applications include high-side and low-side current sensing in motor controls, solenoid controls, power management, and diagnostic protection circuits. - What package types are available for the AD8417BRMZ?
The AD8417BRMZ is available in 8-lead MSOP and 8-lead SOIC_N packages.
