CS5101A CS5102A
PIN DESCRIPTIONS
NEGATIVE DIGITAL POWER
VD-
RST
SLEEP
SLEEP (LOW POWER) MODE
1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
RESET & INITIATE CALIBRATION
MASTER CLOCK INPUT
CRYSTAL OUTPUT
SCKMOD SERIAL CLOCK MODE SELECT
2
CLKIN
XOUT
STBY
DGND
VD+
TEST
VA+
TEST
3
POSITIVE ANALOG POWER
CHANNEL 2 ANALOG INPUT
NEGATIVE ANALOG POWER
ANALOG GROUND
4
STANDBY (CALIBRATING)
DIGITAL GROUND
AIN2
VA-
5
6
CS5101A
or
CS5102A
POSITIVE DIGITAL POWER
TRACKING CHANNEL 1
TRACKING CHANNEL 2
AGND
7
TRK1
TRK2
REFBUF REFERENCE BUFFER
8
VREF
AIN1
VOLTAGE REFERENCE
9
COARSE/FINE CHARGE CONTROL CRS/FIN
SIMULTANEOUS S/H / SERIAL DATA LATCH SSH/SDL
CHANNEL 1 ANALOG INPUT
10
11
12
13
14
OUTMOD OUTPUT MODE SELECT
HOLD & CONVERT
INPUT CHANNEL SELECT
SERIAL DATA CLOCK
HOLD
CH1/2
SCLK
BP/UP
CODE
SDATA
BIPOLAR/UNIPOLAR SELECT
BINARY/2’s COMPLEMENT SELECT
SERIAL DATA OUTPUT
VD-
RST
SLEEP
SCKMOD
TEST
CLKIN
XOUT
STBY
VA+
4
3
2
1
28 27 26
DGND
VD+
AIN2
5
25
24
23
22
21
20
19
6
CS5101A
or
VA-
7
TRK1
AGND
REFBUF
VREF
8
CS5102A
top
view
9
TRK2
10
11
CRS/FIN
SSH/SDL
HOLD
CH1/2
SCLK
12 13 14 15 16 17 18
AIN1
OUTMOD
BP/UP
CODE
SDATA
DS45F2
31
CIRRUS [ CIRRUS LOGIC ]
