MAX132 Datasheet, PDF (16/16 Pages) Maxim Integrated Products – ±18-Bit ADC with Serial Interface

±18-Bit ADC with Serial Interface
WAIT UNTIL EOC PIN IS HIGH
CLEAR SCLK
CLEAR CS
WRITE DIN132 FROM TxByte’s MSB
SET SCLK
READ DOUT132 INTO RxByte’s LSB
CLEAR SCLK
SHIFT RxByte LEFT
SHIFT TxByte LEFT
REPEAT 8 TIMES
SET CS
RETURN RxByte
Figure 12. MAX132 Read/Write Algorithm
___________________Chip Topography
SCLK
DOUT
CS
DIN V+
BUF OUT
INT OUT
INT IN
OSC2
OSC1
PG0
PG1
CREF-
CREF+
0.186"
(4.72mm)
REF+
REF-
PG2 EOC
PG3
DGND IN HI AGND
V-
0.144"
(3.66mm)
IN LO
TRANSISTOR COUNT: 2799
SUBSTRATE CONNECTED TO V+
16 ______________________________________________________________________________________