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參數(shù)資料
| 型號： | 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)字模擬轉換器 |
| 文件頁數(shù)： | 17/20頁 |
| 文件大?。?/td> | 770K |
| 代理商： | DAC7643VFBT |
DAC7642, DAC7643
SBAS233
17
www.ti.com
INPUT
REGISTER
DAC
DACSEL
R/W
CS
RST
LOADDACS
REGISTER
MODE
DAC
L
H
L
H
X
X
X
L
L
H
H
X
X
X
L
L
L
L
H
H
X
L, H
L, H
L, H
L, H
L, H
L, H
↑
X
X
X
X
↑
Write
Write
Read
Read
Hold
Hold
Reset
Hold
Hold
Hold
Hold
Write
Hold
Reset
Write Input
Write Input
Read Input
Read Input
Update
Hold
Reset
A
B
A
B
All
All
All
L, H
L, H
TABLE I. DAC7642 and DAC7643 Logic Truth Table.
t
RCS
CS
t
RDS
t
RDH
t
AS
t
CSD
t
DZ
t
AH
R/W
DACSEL
Data Out
Data Valid
t
WCS
CS
t
WS
t
AS
t
AH
t
WH
R/W
DACSEL
t
LS
t
LWD
t
LH
t
S
±
0.003% of FSR
Error Band
±
0.003% of FSR
Error Band
t
LX
LOADDACS
t
DS
t
DH
Data In
V
OUT
t
S
Data Read Timing
Data Write Timing
t
RSH
RST
V
OUT
+FS
–
FS
(DAC7643)
Zero-Scale
V
OUT
+FS
–
FS
(DAC7642)
Midscale
t
RSS
FIGURE 14. Digital Input and Output Timing.
(1)
DIGITAL TIMING
Figure 14 and Table II provide detailed timing for the digital
interface of the DAC7642 and DAC7643.
DIGITAL INPUT CODING
The DAC7642 and DAC7643 input data is in Straight Binary
format. The output voltage is given by Equation 1:
V
V
L
V
H
65 536
V
L
N
OUT
REF
REF
REF
=
+
(
)
–
,
where N is the digital input code. This equation does not
include the effects of offset (zero-scale) or gain (full-scale)
errors.
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| DAC7643VFBTG4 | 功能描述:數(shù)模轉換器- DAC 16B Dual Vltg Output DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC7643VFR | 功能描述:數(shù)模轉換器- DAC 16-Bit Dual Voltage Output DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC7643VFRG4 | 功能描述:數(shù)模轉換器- DAC 16-Bit Dual Voltage Output DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC7643VFT | 功能描述:數(shù)模轉換器- DAC 16-Bit Dual Voltage Output DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC7643VFTG4 | 功能描述:數(shù)模轉換器- DAC 16-Bit Dual Voltage Output DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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