ICL7134 Datasheet, PDF (3/16 Pages) Intersil Corporation – 14-Bit Multiplying Microprocessor-Compatible D/A Converter

ICL7134
Pin Descriptions
28 LEAD PIN
CERDIP NAME
PIN DESCRIPTION
1
CS Chip Select (active low). Enables register write.
2
WR WRITE, (active low). Writes in register. Equivalent to CS.
3
D₀
Bit 0 Least Significant
4
D₁
Bit1
5
D₂
Bit 2
6
D₃
Bit 3
7
D₄
Bit 4
8
D₅
Bit 5
9
D₆
Bit 6
10
D₇
Bit 7
Input Data Bits (High = True)
11
D₈
Bit 8
12
D₉
Bit 9
13
D₁₀
Bit 10
14
D₁₁
Bit 11
15
D₁₂
Bit 12
16
D₁₃
Bit 13 Most significant
17
PROG Used for programming only. Tie to +5V for normal operation.
18
V_RFL V_REF for lower bits.
19
R_INV Summing node for reference inverting amplifier.
20
V_RFM FV_REF for MSB only (bipolar)
21
R_FB Feedback resistor for voltage output applications.
22
DGND Digital Ground Return.
23
AGND_F Analog Ground force lines. Use to carry current from internal Analog GND connections. Tied internally to AGND_S.
24
AGND_S Analog Ground sense line. Reference point for external circuitry. Pin should carry minimal current; tied internally to
AGND_F.
25
I_OUT Current output pin.
26
V+ Positive Supply.
27
A₁ Address 1 Registers Select Lines
28
A₀ Address 0
3