參數(shù)資料
型號： DAC7664YR
廠商： Texas Instruments, Inc.
英文描述： 16-BIT, QUAD VOLTAGE OUTPUT DIGITAL-TO-ANALOG CONVERTER
中文描述： 16位四路電壓輸出數(shù)字模擬轉(zhuǎn)換器
文件頁數(shù)： 6/28頁
文件大小： 452K
代理商： DAC7664YR
SBAS271 MARCH 2004
www.ti.com
6
Terminal Functions
PIN
NAME
DESCRIPTION
1
2
3
4
5
6
NC
NC
VSS
VCC
VOUTA
VOUTA
Sense 1
VOUTA
Sense 2
AGND
DGND
VDD
IOVDD
DB15
DB14
DB13
NC
NC
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
CS
R/W
No Connection
No Connection
Analog –5V power supply or 0V single supply
Analog +5V power supply
DAC A output voltage
Connect to VOUTA for unipolar mode
7
Connect to VOUTA for bipolar mode
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Analog ground
Digital ground
Digital +5V power supply
Interface power supply
Data bit 15 (MSB)
Data bit 14
Data bit 13
No connection
No connection
Data bit 12
Data bit 11
Data bit 10
Data bit 9
Data bit 8
Data bit 7
Data bit 6
Data bit 5
Data bit 4
Data bit 3
Data bit 2
Data bit 1
Data bit 0
Chip select, active low
Enabled by CS; controls the data read and
data write.
DAC register load control, rising edge
triggered.
No connection
No connection
Enabled by CS; in combination with A0,
selects the individual DAC input registers.
Enabled by CS; in combination with A1,
selects the individual DAC input registers.
Reset, rising edge triggered. Depending on
the state of RSTSEL, the DAC registers are
set to either mid-scale or zero.
32
LDAC
33
34
35
NC
NC
A1
36
A0
37
RST
PIN
NAME
DESCRIPTION
38
RSTSEL
Reset select. Determines the action of RST.
If high, an RST command sets the DAC
registers to mid-scale (8000h). If low, an RST
command sets the DAC registers to zero
(0000h).
No connection
No connection
No connection
No connection
No connection
Connect to VOUTD for bipolar mode
39
40
41
42
43
44
NC
NC
NC
NC
NC
VOUTD
Sense 2
VOUTD
Sense 1
VOUTD
NC
NC
Offset D
Range 1
Offset D
Range 2
Offset C
Range 2
Offset C
Range 1
VOUTC
Sense 2
VOUTC
Sense 1
VOUTC
REF GND
REF GND
VOUTB
VOUTB
Sense 1
VOUTB
Sense 2
Offset B
Range 1
Offset B
Range 2
Offset A
Range 2
Offset A
Range 1
45
Connect to VOUTD for unipolar mode
46
47
48
49
DAC D output
No connection
No connection
Connect to Offset D Range 2 for unipolar
mode
Connect to Offset D Range 1 for unipolar
mode
Connect to Offset C Range 1 for unipolar
mode
Connect to Offset C Range 2 for unipolar
mode
Connect to VOUTC for bipolar mode
50
51
52
53
54
Connect to VOUTC for unipolar mode
55
56
57
58
59
DAC C output
Reference ground
Reference ground
DAC B output
Connect to VOUTB for unipolar mode
60
Connect to VOUTB for bipolar mode
61
Connect to Offset B Range 2 for unipolar
mode
Connect to Offset B Range 1 for unipolar
mode
Connect to Offset A Range 1 for unipolar
mode
Connect to Offset A Range 2 for unipolar
mode
62
63
64
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DAC7678_10 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-Bit, Octal-Channel, Ultra-Low Glitch, Voltage Output, Two-Wire Interface Digital-to-Analog Converter with 2.5V Internal Reference
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