Datasheet
SLIS110A − APRIL 2003 − REVISED MAY 2005
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Terminal Functions
TERMINAL
NAME NO.
TERMINAL TYPE
(PULLUP/PULLDOWN)
DESCRIPTION
V
DD
1 I 5-V input supply
GND 2 I Ground connection
Vref 3 O Supply reference generator with external bypass capacitor
OUT 4 O Buffered integrator output
NC
†
5, 6 No connection
INT/HOLD 7 I / Pulldown Selectable for integrate (high) or hold (low) mode (with internal pulldown)
CS 8 I / Pullup Chip select for SPI communications (active low with internal pullup)
XIN 9 I Inverter input for oscillator
XOUT 10 O Inverter output for oscillator
SDO 11 O Serial data output for SPI bus
SDI 12 I / Pullup Serial data input line
SCLK 13 I / Pullup SPI clock
TEST 14 I / Pullup Test mode (active low), open for normal operation
CH2P 15 I Positive input for amplifier #2
CH2N 16 I Negative input for amplifier #2
CH2FB 17 O Output of amplifier #2, for feedback connection
CH1FB 18 O Output of amplifier #1, for feedback connection
CH1N 19 I Negative input for amplifier #1
CH1P 20 I Positive input for amplifier #1
†
These terminals are to be used for test purposes only and are no connected in the system application. No signal traces should be connected
to the NC terminals.