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参数资料
| 型号： | DAC5672AIPFBR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | DUAL, PARALLEL, WORD INPUT LOADING, 0.02 us SETTLING TIME, 14-BIT DAC, PQFP48 |
| 封装： | GREEN, PLASTIC, TQFP-48 |
| 文件页数： | 20/26页 |
| 文件大小： | 1097K |
| 代理商： | DAC5672AIPFBR |
DEVICE INFORMATION
13 14 15
DB0 (LSB)
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
36
35
34
33
32
31
30
29
28
27
26
25
16
1
2
3
4
5
6
7
8
9
10
11
12
DA13 (MSB)
DA12
DA11
DA10
DA9
DA8
DA7
DA6
DA5
DA4
DA3
DA2
17 18 19 20
AGND
47 46 45 44 43
48
42
IOUT
A1
IOUT
A2
BIASJ_A
EXTIO
GSET
BIASJ_B
IOUTB2
DVDD
DB13
(MSB)
DB12
DGND
DVDD
WR
T
A/WR
TIQ
CLKA/CLKIQ
CLKB/RESETIQ
WR
TB/SELECTIQ
DGND
40 39 38
41
21 22 23 24
37
DA1
SLEEP
IOUTB1
MODE
A
VDD
DA0
(LSB)
Top View
48Pin TQFP
PFB Package
www.ti.com................................................................................................................................................... SLAS528A – SEPTEMBER 2007 – REVISED MAY 2009
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
AGND
38
I
Analog ground
AVDD
47
I
Analog supply voltage
BIASJ_A
44
O
Full-scale output current bias for DACA
BIASJ_B
41
O
Full-scale output current bias for DACB
CLKA/CLKIQ
18
I
Clock input for DACA, CLKIQ in interleaved mode
CLKB/RESETIQ
19
I
Clock input for DACB, RESETIQ in interleaved mode
DA[13:0]
1-14
I
Data port A. DA13 is MSB and DA0 is LSB. Internal pulldown.
DB[13:0]
23-36
I
Data port B. DB13 is MSB and DB0 is LSB. Internal pulldown.
DGND
15, 21
I
Digital ground
DVDD
16, 22
I
Digital supply voltage
EXTIO
43
I/O
Internal reference output (bypass with 0.1
F to AGND) or external reference input
GSET
42
I
Gain-setting mode: H – 1 resistor, L – 2 resistors. Internal pullup.
IOUTA1
46
O
DACA current output. Full-scale with all bits of DA high.
IOUTA2
45
O
DACA complementary current output. Full-scale with all bits of DA low.
IOUTB1
39
O
DACB current output. Full-scale with all bits of DB high.
IOUTB2
40
O
DACB complementary current output. Full-scale with all bits of DB low.
MODE
48
I
Mode Select: H – Dual Bus, L – Interleaved. Internal pullup.
Sleep function control input: H – DAC in power-down mode, L – DAC in operating mode.
SLEEP
37
I
Internal pulldown.
WRTA/WRTIQ
17
I
Input write signal for PORT A (WRTIQ in interleaving mode)
WRTB/SELECTIQ
20
I
Input write signal for PORT B (SELECTIQ in interleaving mode)
Copyright 2007–2009, Texas Instruments Incorporated
3
Product Folder Link(s): DAC5672A
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