PIN FUNCTIONS
PIN ASSIGNMENTS
Pin Name Description
AIN, AIN
Differential Input Pins
ENCODE Differential Clock Input
ENCODE
VDD
Power Supply
Ground
ENCODE
VREF OUT
GND
1
2
3
4
33
32
31
30
29
28
27
26
25
24
23
GND
ENCODE
VDD
DA0–DA7 Digital Outputs, Channel A
DB0–DB7 Digital Outputs, Channel B
VREF OUT Reference Output Voltage
VDD
VDD
GND
5
6
GND
VDD
GND
SPT7720
VDD
VREF IN
DEMUX
Reference Input Voltage, High
TOP VIEW
44L TQFP
7
GND
DA7 (MSB)
DA6
Format Select: LOW = Dual-Channel Mode,
HIGH = Single-Channel Mode
DB7 (MSB)
DB6
8
9
DA5
DS, DS
Data Sync and Data Sync Complement –
DB5
10
11
DA4
Aligns Output Channels in Dual-Channel Mode
DB4
DA3
ORDERING INFORMATION
PART NUMBER
TEMPERATURE RANGE
PACKAGE
SPT7720SIT
–40 to +85 °C
44L TQFP
SPT7720
10
5/9/01
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
