AD8418AWBRZ-RL
Amplifiers & Comparators
Technical Specifications
| Type | Description |
|---|---|
| Common Mode Rejection Ratio | 100 dB |
| Voffset V | 100 V |
| Quiescent Current | 4.1 mA |
| Gain Db | 20 dB |
| Vcm - Common Mode Voltage | -2V~70V |
| Ib - Input Bias Current | 260uA |
| -3dB Bandwidth | 250kHz |
| Channels | 1 |
| Type | Description |
|---|---|
| Slew Rate Vus | 1 V/µs |
| Operating Temperature | -40°C~+125°C |
| Voffset Drift Uv | 0.4 µV |
| Features | Input filter;Bidirectional detection;Zero drift / auto-zero;Programmable output reference level |
| Noise Nv | 110nV/sqrtHz@1kHz |
| Single Supply | 2.7V~5.5V |
| Package / Case | SOIC-8 |
Product Introduction
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 -2V 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 an 8 - lead MSOP and an 8 - lead SOIC_N package with a 10 - lead MSOP pinout option engineered for failure mode and effects analysis (FMEA).
Features
- 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 ε = 20 V/V
- Wide operating temperature range AD8418AWB and AD8418AB: -40°C to +125°C AD8418AWH: -40°C to +150°C
- Bidirectional operation
- Available in 8 - lead SOIC_N, 8 - lead MSOP, and FMEA toleran 10 - lead MSOP pinout
- AEC - Q100 qualified for automotive applications
Applications
- High - side current sensing in Motor controls
- Solenoid controls
- Power management
- Low - side current sensing
- Diagnostic protection
Datasheet
Alternative Parts
Common AD8418AWBRZ-RL alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542339000 |
| USHTS | 8542330001 |
| TARIC | 8542339000 |
| Type | Details |
|---|---|
| CAHTS | 8542330000 |
| BRHTS | 85423390 |
| INHTS | 85423300 |
| MXHTS | 8542.33.99 |
Sourcing Information
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