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AD8417: Bidirectional, Zero Drift, Current Sense Amplifier Data Sheet (Rev. E)12/3/2013PDF337 K
Overview
Features and Benefits
- Typical 0.1 µV/°C offset drift
- Maximum ±400 µV voltage offset over full temperature range
- 2.7 V to 5.5 V power supply operating range
- Electromagnetic interference (EMI) filters included
- High common-mode input voltage range
- −2 V to +70 V continuous
- −3 V to +80 V survival
- Initial gain = 60 V/V
- Wide operating temperature range
- AD8417WB: −40°C to +125°C
- AD8417WH: −40°C to +150°C
- Bidirectional operation
- Available in 8-lead SOIC and 8-lead MSOP
- Common-mode rejection ratio (CMRR): 86 dB, dc to 10 kHz
- Qualified for automotive applications
Product Details
The AD8417 is a high voltage, high resolution current shunt amplifier. It features an initial gain of 60 V/V, with a maximum ±0.3% gain error over the entire temperature range. The buffered output voltage directly interfaces with any typical converter. The AD8417 offers excellent input common-mode rejection from −2 V to +70 V. The AD8417 performs bidirectional current measurements across a shunt resistor in a variety of automotive and industrial applications, including motor control, power management, and solenoid control.
The AD8417 offers breakthrough performance throughout the −40°C to +150°C temperature range. It features a zero drift core, which leads to a typical offset drift of 0.1 µV/°C throughout the operating temperature range and the common-mode voltage range. The AD8417 is qualified for automotive applications. The device includes EMI filters and patented circuitry to enable output accuracy with pulse-width modulation (PWM) type input common-mode voltages. The typical input offset voltage is ±200 µV. The AD8417 is offered in 8-lead MSOP and SOIC packages.
Applications
- High-side current sensing in
- Motor controls
- Solenoid controls
- Power management
- Low-side current sensing
- Diagnostic protection
Product Lifecycle
Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Evaluation Kits (1)
Documentation & Resources
Tools & Simulations
SPICE Models
CIR
AD8417 SPICE Macro Model
2.52 K
Design Resources
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| Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
|---|---|---|---|---|
| AD8417BRMZ | Material Declaration | Reliability Data | 8-Lead MSOP | |
| AD8417BRMZ-RL | Material Declaration | Reliability Data | 8-Lead MSOP | |
| AD8417WBRMZ | Material Declaration | Reliability Data | 8-Lead MSOP | |
| AD8417WBRMZ-10 | Material Declaration | Reliability Data | 10-Lead MSOP | |
| AD8417WBRMZ-10RL | Material Declaration | Reliability Data | 10-Lead MSOP | |
| AD8417WBRMZ-RL | Material Declaration | Reliability Data | 8-Lead MSOP | |
| AD8417WBRZ | Material Declaration | Reliability Data | 8-Lead SOIC | |
| AD8417WBRZ-RL | Material Declaration | Reliability Data | 8-Lead SOIC | |
| AD8417WHRMZ | Material Declaration | Reliability Data | 8-Lead MSOP | |
| AD8417WHRMZ-RL | Material Declaration | Reliability Data | 8-Lead MSOP | |
| AD8417WHRZ | Material Declaration | Reliability Data | 8-Lead SOIC | |
| AD8417WHRZ-RL | Material Declaration | Reliability Data | 8-Lead SOIC | |
| Wafer Fabrication Data |
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