MX884HTTR Ver la hoja de datos (PDF) - IXYS CORPORATION

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MX884HTTR

High-Side Current Monitor With 10-Bit Serial Digital Output

IXYS CORPORATION 

MX884

IXYS

Functional Description

The MX884 converts a small voltage developed across an external sense resistor (Rs) to a 10-bit digital

output. Pin IN connects to the 3V to 60V power input. The external current sense resistor connects

between pins IN and LOAD. The nominal A/D range is 100 mV V(IN)-V(LOAD) across Rs. The A/D least

significant bit typically equals 0.1 mV across Rs. Inputs CS and SCK are TTL-level compatible, 5.5V

maximum input voltage. Inputs can be driven from CMOS microcontrollers operating at supply voltages of

2.4 to 5.5V. Serial data output pin SDO is configured as open drain, maximum 5.5V external pull-up.

SCK is used internally to clock the successive approximation register of the A/D.

Serial Timing Diagram

MX884

Drawing No. 088423

3

Preliminary

12/20/06

www.claremicronix.com

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