ICL7134 Intersil, ICL7134 Datasheet - Page 3

• Manufacturer Part Number: ICL7134
• Description: 14-Bit Multiplying Microprocessor-Compatible D/A Converter
• Manufacturer: Intersil

Pin Descriptions
28 LEAD
CERDIP
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
AGND
AGND
NAME
PROG
DGND
V
V
R
I
D
D
D
D
R
PIN
WR
OUT
CS
D
D
D
D
D
D
D
D
D
D
RFM
V+
A
A
RFL
INV
FB
10
11
12
13
1
0
0
1
2
3
4
5
6
7
8
9
F
S
Digital Ground Return.
Chip Select (active low). Enables register write.
WRITE, (active low). Writes in register. Equivalent to CS.
Used for programming only. Tie to +5V for normal operation.
V
Summing node for reference inverting amplifier.
FV
Feedback resistor for voltage output applications.
Analog Ground force lines. Use to carry current from internal Analog GND connections. Tied internally to AGND
Analog Ground sense line. Reference point for external circuitry. Pin should carry minimal current; tied internally to
AGND
Current output pin.
Positive Supply.
Address 1
Address 0
REF
Bit 10
Bit 11
Bit 12
Bit 13
REF
Bit 0
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Bit 8
Bit 9
Bit1
for lower bits.
F
for MSB only (bipolar)
.
Least Significant
Most significant
Registers Select Lines
ICL7134
3
PIN DESCRIPTION
Input Data Bits (High = True)
S
.