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www.ti.com
SBAS308A− MAY 2004 − REVISED MARCH 2005
PIN ASSIGNMENTS
TERMINAL
NO.
OF PINS
12
NAME
NO.
I/O
DESCRIPTION
AVDD
5, 7, 9, 15, 22, 24, 26,
28, 33, 34, 37, 39
I
Analog power supply
Analog ground
AGND
6, 8, 12, 13, 14, 16, 18,
21, 23, 25, 27, 32, 36, 38
14
I
DRVDD
DRGND
INP
49, 58
2
6
1
1
1
I
I
Output driver power supply
Output driver ground
1, 42, 48, 50, 57, 59
19
20
29
I
Differential analog input (positive)
Differential analog input (negative)
INM
I
REFP
O
Reference voltage (positive); 0.1µF capacitor in series with a 1Ω
resistor to GND
REFM
30
1
O
Reference voltage (negative); 0.1µF capacitor in series with a 1Ω
resistor to GND
IREF
31
1
1
I
O
I
Current set; 56kΩ resistor to GND; do not connect capacitors
CM
17
Common-mode output voltage
RESET
OE
35
1
Reset (active high), 200kΩ resistor to AV
DD
41
1
I
Output enable (active high)
(1)
Data format and clock out polarity select
DFS
40
1
I
CLKP
10
1
I
Data converter differential input clock (positive)
Data converter differential input clock (negative)
Serial interface chip select
CLKM
11
1
I
SEN
4
1
I
SDATA
SCLK
3
1
I
Serial interface data
2
1
I
Serial interface clock
D0 (LSB)−D13 (MSB)
OVR
44−47, 51−56, 60−63
14
1
O
O
O
Parallel data output
64
43
Over-range indicator bit
CLKOUT
1
CMOS clock out in sync with data
:
NOTE PowerPAD is connected to analog ground.
(1)
Table 3 defines the voltage levels for each mode selectable via the DFS pin.
10
BB [ BURR-BROWN CORPORATION ]
