DDC232 Datasheet, PDF (5/28 Pages) Burr-Brown (TI) – 32-Channel, Current-Input Analog-to-Digital Converter

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DDC232
SBAS331C – AUGUST 2004 – REVISED SEPTEMBER 2006
PIN CONFIGURATION
Columns
H
G
F
E
D
C
B
A
IN21
IN22
IN23
IN24
IN25
IN26
IN27
IN28
1
IN5
IN6
IN7
IN8
IN9
IN10
IN11
IN12
2
IN17
IN18
IN19
IN20
IN29
IN30
IN31
IN32
3
IN1
IN2
IN3
IN4
IN13
IN14
IN15
IN16
4
QGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
5
AGND AVDD AVDD AVDD AGND DGND VREF
VREF
6
DVALID DIN_CFG CLK_CFG DGND
DGND RESET DVDD
DGND
7
DCLK DGND
CLK
NC
DOUT DGND
DIN
CONV
8
BGA
PIN
IN1–32
QGND
AGND
DGND
AVDD
VREF
DVALID
DIN_CFG
CLK_CFG
RESET
DVDD
CONV
DIN
DOUT
NC
CLK
DCLK
LOCATION
Rows 1–4
H5
G5, F5, E5, D5, C5, B5, A5, D6, H6
A7, C6, D7, E7, C8, G8
E6, F6, G6
A6, B6
H7
G7
F7
C7
B7
A8
B8
D8
E8
F8
H8
PIN DESCRIPTIONS
FUNCTION
Analog Input
Analog
Analog
Digital
Analog
Analog Input
Digital Output
Digital Input
Digital Input
Digital Input
Digital
Digital Input
Digital Input
Digital Output
No Connect
Digital Input
Digital Input
DESCRIPTION
Analog Inputs for Channels 1 to 32
Quiet Analog Ground
Analog Ground
Digital Ground
Analog Power Supply, +5V Nominal
External Voltage Reference Input, +4.096V Nominal
Data Valid Output, Active Low
Configuration Register Data Input
Configuration Register Clock Input
Digital Reset, Active Low
Digital Power Supply, 3.3V Nominal
Conversion Control Input; 0 = Integrate on Side B, 1 = Integrate on Side A
Serial Data Input
Serial Data Output
Do not connect; must be left floating.
Master Clock Input
Serial Data Clock Input
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