PIN ASSIGNMENTS
OE
DGND
DØ (LSB)
D1
D2
D3
D4
D5
D6
D7 (MSB)
DVDD
CLK
DGND
VRB
VRBS
AGND
AGND
PIN FUNCTIONS
Name
OE
DIP and
SOIC
VIN
AVDD
VRT
VRTS
AVDD
AVDD
DVDD
DGND
D0
D1-6
D7
DV
DD
CLK
AV
DD
V
RTS
V
RT
V
IN
AGND
V
RBS
V
RB
Function
Tri-State Output Enable
Tri-State When
OE
= DV
DD
,
Enable When
OE
= DGND
Digital Ground
Digital Output Data (LSB)
Digital Output Data
Digital Output Data (MSB)
Digital Supply
CMOS Digital Clock Input
Analog Supply
Internal Self-Biased Reference Top
Shorted with V
RT
(pin 17). Generates 2.6 V.
Reference Resistor Top Side
Analog Input
Analog Ground
Internal Self-Biased Reference Bottom
Shorted with V
RB
(pin 23). Generates 0.6 V.
Reference Resistor Bottom Side
DGND 28
DØ
4
OE
2
V
RBS
26
DGND 3
N/C
1
V
RB
27
D1
D2
D3
N/C
D4
5
6
7
8
9
25
22
23
AGND
AGND
V
IN
N/C
AV
DD
V
RT
V
RTS
PLCC
22
21
20
19
D5
10
D6
11
ORDERING INFORMATION
PART NUMBER
TEMPERATURE RANGE
SPT1175ACN
0 to +70
°C
SPT1175ACP
0 to +70
°C
SPT1175ACS
0 to +70
°C
SPT1175ACU
+25
°C
*See the die specification for guaranteed electrical performance.
PACKAGE TYPE
24L Plastic Dip
28L PLCC
24L SOIC
Die*
12 D7
14 CLK
16 DV
DD
18 AV
DD
13 DV
DD
15 N/C
17 AV
DD
SPT1175
8
6/24/97
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
