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DAC8544 Datasheet(PDF) 6 Page - Texas Instruments

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Part No. DAC8544
Description  QUAD, 16-BIT, RAIL-TO-RAIL VOLTAGE OUTPUT, PARALLEL INTERFACE, DIGITAL-TO-ANALOG CONVERTER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DAC8544 Datasheet(HTML) 6 Page - Texas Instruments

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DAC8544
SLAS420 – MAY 2004
DEVICE INFORMATION (continued)
TERMINAL FUNCTIONS
DAC8544
Pin
Mnemonic
Function
1
VDD
Analog supply voltage, +2.7 V to +5.5 V
2
GND
Analog supply ground
3
IOGND
Digital supply ground
4
IOVDD
Digital supply +1.8 V to +5.5 V
5
D15
Digital input, MSB
6
D14
Digital input
7
D13
Digital input
8
D12
Digital input
9
D11
Digital input
10
D10
Digital input
11
D9
Digital input
12
D8
Digital input
13
D7
Digital input
14
D6
Digital input
15
D5
Digital input
16
D4
Digital input
17
D3
Digital input
18
D2
Digital input
19
D1
Digital input
20
D0
Digital input, LSB
21
IOVDD
Digital supply +1.8 V to +5.5 V
22
IOGND
Digital supply ground
23
A1
Address pin for selecting between DAC channels
24
A0
Address pin for selecting between DAC channels
25
CS
Active-low chip select. Used with R/W_ to write/read data to/from device
26
R/W
Read/Write select used to write data to input register or read data from DAC register
27
LDAC
Load DACs, rising edge triggered loads all DAC registers
28
GND
Analog ground
29
RST
Asynchronously resets contents of all DAC Registers to zero-scale, but does not affect input register
30
PD
Active-low power-down pin puts entire device into power-down mode with DAC outputs in 3-state condition
31
GND
Analog supply ground
32
VDD
Analog supply voltage, +2.7 V to +5.5 V
33
VOUTD
Analog output voltage from DAC-D
34
VFBD
Analog output sense for DAC-D
35
VREFD+
High reference voltage input for DAC-D
36
VREFD–
Low reference voltage input for DAC-D, normally VREFD– = GND
37
VOUTC
Analog output voltage from DAC-C
38
VFBC
Analog output sense for DAC-C
39
VREFC+
High reference voltage input for DAC-C
40
VREFC–
Low reference voltage input for DAC-C, normally VREFC– = GND
41
VOUTB
Analog output voltage from DAC-B
42
VFBB
Analog output sense for DAC-B
43
VREFB+
High reference voltage input for DAC-B
44
VREFB–
Low reference voltage input for DAC-B, normally VREFB– = GND
45
VOUTA
Analog output voltage from DAC-A
6


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