AD8418BRMZ Bidirectional Zero-Drift Current Sense Amplifier with High Voltage and Wide Temperature Range MSOP-8

AD8418BRMZ is a high voltage, high resolution current shunt amplifier featuring an initial gain of 20 V/V with maximum ±0.15% gain error over the entire temperature range. The buffered output voltage directly interfaces with any typical converter.

This amplifier offers excellent input common-mode rejection from −2 V to +70 V and performs bidirectional current measurements across a shunt resistor in various automotive and industrial applications.

• 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

• High-side current sensing in motor controls
• Solenoid controls
• Power management
• Low-side current sensing
• Diagnostic protection