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参数资料
| 型号： | DAC7625U/1KG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 5 us SETTLING TIME, 12-BIT DAC, PDSO28 |
| 封装： | GREEN, SOIC-28 |
| 文件页数： | 15/19页 |
| 文件大小： | 473K |
| 代理商： | DAC7625U/1KG4 |
5
DAC7724, 7725
Top View
PIN CONFIGURATIONS
PIN DESCRIPTIONS
PIN
NAME
DESCRIPTION
1VREFH
Reference Input Voltage High. Sets maximum output voltage for all DACs.
2VOUTB
DAC B Voltage Output.
3VOUTA
DAC A Voltage Output.
4VSS
Negative Analog Supply Voltage, 0V or –15V.
5
GND
Ground.
6
RESET
Asynchronous Reset Input. Sets DAC and input registers to either mid-scale (800H, DAC7724) or zero-scale (000H, DAC7725)
when LOW.
7
LDAC
Load DAC Input. All DAC Registers are transparent when LOW.
8
DB0
Data Bit 0. Least significant bit of 12-bit word.
9
DB1
Data Bit 1
10
DB2
Data Bit 2
11
DB3
Data Bit 3
12
DB4
Data Bit 4
13
DB5
Data Bit 5
14
DB6
Data Bit 6
15
DB7
Data Bit 7
16
DB8
Data Bit 8
17
DB9
Data Bit 9
18
DB10
Data Bit 10
19
DB11
Data Bit 11. Most significant bit of 12-bit word.
20
R/W
Read/Write Control Input (read = HIGH, write = LOW).
21
A1
Register/DAC Select (C or D = HIGH, A or B = LOW).
22
A0
Register/DAC Select (B or D = HIGH, A or C = LOW).
23
CS
Chip Select Input.
24
VDD
Positive Digital Supply, +5V.
25
VCC
Positive Analog Supply Voltage, +15V nominal.
26
VOUTD
DAC D Voltage Output.
27
VOUTC
DAC C Voltage Output.
28
VREFL
Reference Input Voltage Low. Sets minimum output voltage for all DACs.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
V
REFH
V
OUTB
V
OUTA
V
SS
GND
RESET
LDAC
(LSB) DB0
DB1
DB2
DB3
DB4
DB5
DB6
V
REFL
V
OUTC
V
OUTD
V
CC
V
DD
CS
A0
A1
R/W
DB11 (MSB)
DB10
DB9
DB8
DB7
28
27
26
25
24
23
22
21
20
19
18
17
16
15
DAC7724
DAC7725
GND
RESET
LDAC
(LSB) DB0
DB1
DB2
DB3
5
6
7
8
9
10
11
25
24
23
22
21
20
19
V
CC
V
DD
CS
A0
A1
R/W
DB11 (MSB)
V
SS
V
OUTA
V
OUTB
V
REFH
V
REFL
V
OUTC
V
OUTD
DB4
DB5
DB6
DB7
DB8
DB9
DB10
4
3
2
1
28
27
26
12
13
14
15
16
17
18
DAC7724
DAC7725
SO
PLCC
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相关代理商/技术参数 |
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