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000-0046140-111
Page 57 of 169
SLG46140
9.1 ADC Functional Diagram
Figure 9. ADC Functional Diagram
VDD
0
1
00
01
10
PGA
ADC
0
1
0
1
CH Select (PIN 11)
Pin 7
Pin 6
PGA Power reg <535>
Gain Sel reg <534:532>
PGA OUT
ADC Programmable
Gain Amplifier
PAR DATA
INT OUT
CLK
V
REF
reg <546:545>
V
DD
* (0.25)
Reserved
ADC V
REF
Wake/Sleep En reg <557>
DAC_in_en reg <529>
reg <578>
reg <530>
0
1
DAC 0
0
1
8-bit reg <555:548>
DCMP1_IN
reg <547>
SER DATA
PGAOUT_en reg <559>
/16
ADC CLK SRC reg <580:579>
00
01
10
11
Diff_mode_en reg <531>
pseudo_en reg <536>
Wake/Sleep Signal
Ring Osc
Ext. CLK2
(matrix1_out67)
RC Osc
SPI CLK
to ACMP