| Number of Pins | 8 |
|---|---|
| Common Mode Rejection Ratio | 100 dB |
| Lead-Free Status | Contains Lead |
| Lifecycle Status | Pre-Release |
| Input Impedance | 200 kΩ |
| Input Capacitance | 2.00 pF |
| Bandwidth | 250 kHz |
| Case/Package | MSOP |
| Mil-Spec | Yes |
| Packaging | Tube |
| Mounting Style | Surface Mount |
| Supply Current | 2.60 mA |
| Supply Voltage (DC) | 2.70 V (min) |
| RoHS | Compliant |
| REACH SVHC Compliance | No SVHC |
| Operating Temperature | -40.0 °C (min) |
Amplifiers & Comparators
| Manufacturer | Analog Devices |
|---|---|
| Manufacturer Part Number | AD8418WBRMZ |
| Description | OPAMP, CURRENT SENSE AMPLIFIER MSOP-8 |
| Stock Code | W002729 |
| Download |  Technical Datasheet |
The AD8418 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 AD8418 offers excellent input common-mode rejection from −2 V to +70 V. The AD8418 performs bidirectional current measurements across a shunt resistor in a variety of automotive and industrial applications, including motor control, battery management, and solenoid control.
he AD8418 offers breakthrough performance throughout the −40°C to +125°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 AD8418 is fully qualified for automotive applications and 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 AD8418 is offered in 8-lead MSOP and SOIC packages.
- 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 operating
- −4 V to +85 V survival
- Initial gain = 20 V/V
- Wide operating temperature range: −40°C to +125°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
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