Overview
The AD8417WHRMZ-RL is a high-voltage, high-resolution current sense amplifier produced by Analog Devices Inc. This component is designed to provide accurate and reliable current sensing in various applications. It features a high gain of 60 V/V and excellent input common-mode rejection from -2 V to +70 V, making it suitable for high-side and low-side current sensing. The AD8417WHRMZ-RL is available in 8-lead MSOP and SOIC_N packages and is AEC-Q100 qualified for automotive applications.
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 µV | ±400 µV | - |
| Input Bias Current | - | - | 130 µA | - |
| Input Voltage Range (Common Mode) | -2 | - | 70 | V |
| Common-Mode Rejection Ratio (CMRR) | 86 | 90 | 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 | - |
| Noise (0.1 Hz to 10 Hz, RTI) | - | - | 2.3 µV p-p | - |
| Noise Spectral Density (1 kHz, RTI) | - | - | 110 nV/√Hz | - |
| Power Supply Operating Range | 2.7 | - | 5.5 | V |
| Quiescent Current | - | - | 4.2 mA | - |
| Operating Temperature Range | -40 | - | 125 | °C |
Key Features
- High gain of 60 V/V with a maximum ±0.3% gain error over the entire temperature range.
- Excellent input common-mode rejection from -2 V to +70 V.
- Bidirectional current sensing capability.
- Available in 8-lead MSOP and SOIC_N packages.
- AEC-Q100 qualified for automotive applications.
- High operating temperature range: -40°C to +125°C (AD8417WB and AD8417B), and -40°C to +150°C (AD8417WH).
- Low noise: 2.3 µV p-p (0.1 Hz to 10 Hz) and 110 nV/√Hz at 1 kHz.
- High slew rate of 1 V/µs and small signal -3 dB bandwidth of 250 kHz.
Applications
- High-side current sensing in motor controls and solenoid controls.
- Low-side current sensing.
- Power management systems.
- Diagnostic protection circuits.
- Automotive applications due to AEC-Q100 qualification.
Q & A
- What is the gain of the AD8417WHRMZ-RL?
The AD8417WHRMZ-RL has a gain of 60 V/V with a maximum ±0.3% gain error over the entire temperature range. - What is the input common-mode rejection ratio (CMRR) of the AD8417WHRMZ-RL?
The CMRR is 86 dB from dc to 10 kHz and up to 100 dB at dc. - What are the available package options for the AD8417WHRMZ-RL?
The component is available in 8-lead MSOP and SOIC_N packages. - What is the operating temperature range of the AD8417WHRMZ-RL?
The operating temperature range is -40°C to +125°C for AD8417WB and AD8417B, and -40°C to +150°C for AD8417WH. - Is the AD8417WHRMZ-RL qualified for automotive applications?
Yes, it is AEC-Q100 qualified for automotive applications. - What is the slew rate of the AD8417WHRMZ-RL?
The slew rate is 1 V/µs. - What is the small signal -3 dB bandwidth of the AD8417WHRMZ-RL?
The small signal -3 dB bandwidth is 250 kHz. - What is the input bias current of the AD8417WHRMZ-RL?
The input bias current is 130 µA. - What is the power supply operating range of the AD8417WHRMZ-RL?
The power supply operating range is from 2.7 V to 5.5 V. - What are some common applications of the AD8417WHRMZ-RL?
Common applications include high-side and low-side current sensing in motor controls, solenoid controls, power management systems, and diagnostic protection circuits.
