AD8417 Bidirectional, Zero Drift, Current Sense Amplifier
●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
●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(8-lead MSOP, 8-lead SOIC_N, and 10-lead
MSOP) and AD8417B(8-lead MSOP): −40°C to +125°C
AD8417WH(8-lead SOIC_N and 8-leadMSOP):
◆−40°C to +150°C
●Bidirectional operation
●Available in 8-lead SOIC_N, 8-lead MSOP, and FMEA tolerant
◆10-lead MSOP pinout
●CMRR: 86 dB, dc to 10 kHz
●AEC-Q100 qualified for automotive applications
■GENERAL DESCRIPTION:
The AD8417 is a high voltage, high resolution current sense 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 (AD8417WH). It features a zero drift core, which leads to a typical offset drift of 0.1 μV/°Cthroughout the operating temperature range and the common-mode voltage range. The AD8417 is qualified for automotive applications. The device includes electromagnetic interference (EMI) filters and patented (U.S. Patent 8,624,668 B2) 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 8-lead SOIC_N, along with a 10-lead MSOP pinout option engineered for failure mode and effects analysis (FMEA).
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AD8205 、 AD8206 、 AD8207 、 AD8210 、 AD8418 、 AD8417 、 AD8417BRMZ 、 AD8417BRMZ-RL 、 AD8417WBRMZ 、 AD8417WBRMZ-RL 、 AD8417WBRZ 、 AD8417WBRZ-RL 、 AD8417WHRZ 、 AD8417WHRZ-RL 、 AD8417WHRMZ 、 AD8417WHRMZ-RL 、 AD8417WBRMZ-10 、 AD8417WBRMZ-10RL 、 AD8417R-EVALZ 、 AD8417RM-EVALZ 、 AD8418WB 、 AD8418WH 、 AD8417B |
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[ High-side current sensing ][ Motor controls ][ Solenoid controls ][ Power management ][ Low-side current sensing ][ Diagnostic protection ] |
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Datasheet |
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Please see the document for details |
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RM-8;R-8;RM-10 |
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English Chinese Chinese and English Japanese |
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3/2020 |
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Rev.E |
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D11882-3/20(E) |
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343 KB |
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