AD5664R datasheet(3/36 Pages) AD

3 / 36 page

Data Sheet

AD5750/AD5750-1/AD5750-2

Rev. D | Page 3 of 36

FUNCTIONAL BLOCK DIAGRAM

CLEAR

VSENSE+

VOUT

VSENSE–

REXT1

IOUT

DVCC GND

AVDD GND COMP1 COMP2

AD2/R1*

AD1/R2*

AD0/R3*

AVSS

CLRSEL

HW SELECT

VIN

VREF

SCLK/OUTEN*

SDIN/R0*

SYNC/RSET*

SDO/VFAULT *

INPUT SHIFT

AND

CONTROL

LOGIC

STATUS

VOUT RANGE

SCALING

IOUT RANGE

SCALING

VOUT

SHORT FAULT

POWER-

ON RESET

FAULT/ TEMP*

NC/IFAULT *

OVERTEMP

VOUT SHORT FAULT

IOUT OPEN FAULT

RESET

RSET

Vx**

VSS

VDD

REXT2

IOUT

OPEN FAULT

AD5750/AD5750-1/AD5750-2

* DENOTES SHARED PIN. SOFTWARE MODE DENOTED BY REGULAR TEXT, HARDWARE MODE

DENOTED BY ITALIC TEXT. FOR EXAMPLE, FOR FAULT/ TEMP PIN, IN SOFTWARE MODE, THIS

PIN TAKES ON FAULT FUNCTION. IN HARDWARE MODE, THIS PIN TAKES ON TEMP FUNCTION.

** Vx IS AN INTERNAL BIAS VOLTAGE (CAN BE GROUND OR OTHER VOLTAGE) THAT IS USED

TO GENERATE THE INTERNAL SENSE CURRENTS NEEDED FOR THE CURRENT OUTPUTS.

Figure 1.

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