參數(shù)資料
型號(hào)： DAC7643VFBT
廠商： Texas Instruments, Inc.
英文描述： 16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER
中文描述： 16位，雙電壓輸出數(shù)字模擬轉(zhuǎn)換器
文件頁數(shù)： 15/20頁
文件大小： 770K
代理商： DAC7643VFBT
DAC7642, DAC7643
SBAS233
15
www.ti.com
FIGURE 6. Single-Supply Buffered Reference with V
REF
L of 50mV.
V
OUT
A
V
OUT
A Sense
V
REF
L Sense
V
REF
L
V
REF
H
V
REF
H Sense
V
OUT
B Sense
V
OUT
B
32
31
30
29
28
27
26
25
DAC7642
DAC7643
1000pF
V
OUT
V
OUT
100
+2.5V
2k
98k
+V
+0.050V
+V
OPA2350
2200pF
1000pF
2200pF
100
FIGURE 7. Integral Linearity and Differential Linearity Error
Curves for Figure 6.
FIGURE 8. Integral Linearity and Differential Linearity Error
Curves for Figure 9.
2.0
1.5
1.0
0.5
0
–
0.5
–
1.0
–
1.5
–
2.0
2.0
1.5
1.0
0.5
0
–
0.5
–
1.0
–
1.5
–
2.0
L
D
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC A, +25
°
C)
0000
H
2000
H
4000
H
6000
H
8000
H
Digital Input Code
A000
H
C000
H
E000
H
FFFF
H
2.0
1.5
1.0
0.5
0
–
0.5
–
1.0
–
1.5
–
2.0
2.0
1.5
1.0
0.5
0
–
0.5
–
1.0
–
1.5
–
2.0
L
D
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC A, +25
°
C)
0000
H
2000
H
4000
H
6000
H
8000
H
Digital Input Code
A000
H
C000
H
E000
H
FFFF
H
FIGURE 9. Single-Supply Buffered Reference with V
REF
L = +1.25V and V
REF
H = +2.5V.
V
OUT
A
V
OUT
A Sense
V
REF
L Sense
V
REF
L
V
REF
H
V
REF
H Sense
V
OUT
B Sense
V
OUT
B
32
31
30
29
28
27
26
25
DAC7642
DAC7643
1000pF
V
OUT
V
OUT
100
+V
OPA2350
2200pF
1000pF
2200pF
+2.5V
+V
+V
+1.25V
100
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DAC7643VFT 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Dual Voltage Output DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
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