Datasheet for AD8418A:
- Manufacturer Part Number : AD8418A
- Manufacturer : AD
- Description : Bidirectional, Zero-Drift, Current Sense Amplifier
- Series : AD8418A
- Reference Price : USD 0.792
- Our Price : We have a better price, contact us by email
- Product Type : Specialty Amplifiers
- Function : Current Sense Amplifiers
- Current Suggest : Recommended for New Designs
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : AD8418A
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Typical 0.1 μV/°C offset drift
- Maximum ±200 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 operation
- −3 V to +80 V, continuous survival
- Minimum DC common-mode rejection ratio (CMRR): 90 dB
- Initial gain = 20 V/V
- Wide operating temperature range
- AD8418AWB: −40°C to +125°C
- AD8418AWH: −40°C to +150°C
- Bidirectional operation
- Available in 8-lead SOIC and 8-lead MSOP
- Qualified for automotive applications
The AD8418A is a high voltage, high resolution current shunt amplifier. It features an initial gain of 20 V/V, with a maximum ±0.15% gain error over the entire temperature range. The buffered output voltage directly interfaces with any typical converter. The AD8418A offers excellent input common-mode rejection from −2 V to +70 V. The AD8418A 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 AD8418A 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 AD8418A 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 ±100 μV. The AD8418A 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
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.
