Overview
The AD8417WBRMZ-RL, produced by Analog Devices Inc., is a high-voltage, high-resolution current sense amplifier. This device is designed for high-side and low-side current sensing applications, particularly in automotive and industrial environments. It features a high gain of 60 V/V and excellent input common-mode rejection, making it suitable for a wide range of current sensing tasks. The AD8417WBRMZ-RL is available in 8-lead MSOP and 8-lead SOIC_N packages, ensuring versatility in design and implementation.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| GAIN | - | 60 | - | V/V |
| Gain Error Over Temperature | - | - | ±0.3% | - |
| Offset Voltage, Referred to the Input (RTI) | -200 | - | 200 | µV |
| Offset Drift | -0.4 | - | 0.4 | µV/°C |
| Input Bias Current | - | - | 130 | µA |
| Input Voltage Range (Common Mode) | -2 | - | 70 | V |
| Common-Mode Rejection Ratio (CMRR) | 86 | 100 | - | dB |
| Output Voltage Range | 0.045 VS - 0.035 | - | - | V |
| Output Resistance | - | - | 2 | Ω |
| Small Signal -3 dB Bandwidth | - | - | 250 | kHz |
| Slew Rate | - | - | 1 | V/µs |
| Power Supply Operating Range | 2.7 | - | 5.5 | V |
| Quiescent Current | - | - | 4.1 | mA |
| Operating Temperature Range | -40 | - | 125 | °C |
Key Features
- Bidirectional Operation: The AD8417WBRMZ-RL can sense current in both directions, making it versatile for various applications.
- High Gain and Accuracy: With an initial gain of 60 V/V and a maximum ±0.3% gain error over the entire temperature range, this amplifier ensures high accuracy in current sensing.
- Excellent Common-Mode Rejection: The device offers a CMRR of 86 dB from dc to 10 kHz, ensuring robust performance in noisy environments.
- Wide Operating Temperature Range: The AD8417WBRMZ-RL operates from -40°C to +125°C, and the AD8417WH version extends this range to +150°C, making it suitable for harsh environments.
- AEC-Q100 Qualified: This component is qualified for automotive applications, ensuring reliability and performance in demanding automotive systems.
- Low Drift and High Stability: The amplifier features low offset drift and high stability, which are crucial for precise current measurement.
Applications
- High-Side Current Sensing: Ideal for monitoring current in high-side configurations, such as in motor controls and solenoid controls.
- Low-Side Current Sensing: Suitable for low-side current sensing applications where precision and accuracy are critical.
- Power Management: Used in power management systems to monitor and control current flow efficiently.
- Diagnostic Protection: Employed in diagnostic protection circuits to ensure system reliability and safety.
- Automotive Systems: AEC-Q100 qualified, making it a reliable choice for various automotive applications.
Q & A
- What is the primary function of the AD8417WBRMZ-RL?
The AD8417WBRMZ-RL is a high-voltage, high-resolution current sense amplifier designed for high-side and low-side current sensing applications.
- What is the gain of the AD8417WBRMZ-RL?
The initial gain of the AD8417WBRMZ-RL is 60 V/V.
- What is the operating temperature range of the AD8417WBRMZ-RL?
The operating temperature range is from -40°C to +125°C, with the AD8417WH version extending to +150°C.
- What is the common-mode rejection ratio (CMRR) of the AD8417WBRMZ-RL?
The CMRR is 86 dB from dc to 10 kHz.
- Is the AD8417WBRMZ-RL AEC-Q100 qualified?
Yes, the AD8417WBRMZ-RL is AEC-Q100 qualified for automotive applications.
- What are the typical applications of the AD8417WBRMZ-RL?
Typical applications include high-side current sensing, low-side current sensing, power management, diagnostic protection, and various automotive systems.
- What is the output voltage range of the AD8417WBRMZ-RL?
The output voltage range is from 0.045 VS - 0.035 V.
- What is the slew rate of the AD8417WBRMZ-RL?
The slew rate is 1 V/µs.
- What is the quiescent current of the AD8417WBRMZ-RL?
The quiescent current is approximately 4.1 mA.
- What are the package options for the AD8417WBRMZ-RL?
The device is available in 8-lead MSOP and 8-lead SOIC_N packages.
