參數(shù)資料
型號： DAC7741
元件分類： 外設及接口
英文描述： Single Supply RS232C Line Driver/Receiver
中文描述： 單電源RS232C接口線路驅動器/接收器
文件頁數(shù)： 12/20頁
文件大?。?/td> 421K
代理商： DAC7741
DAC7741
SBAS248A
12
www.ti.com
THEORY OF OPERATION
The DAC7741 is a voltage output, 16-bit DAC with a +10V
built-in internal reference. The architecture is an R-2R ladder
configuration with the three MSBs segmented, followed by
an operational amplifier that serves as a buffer. The output
buffer is designed to allow user-configurable output adjust-
ments, giving the DAC7741 output voltage ranges of 0V to
+10V,
–
5V to +5V, or
–
10V to +10V. Please refer to
Figures 2, 3, and 4 for pin configuration information.
The digital input is a parallel word made up of the 16-bit DAC
code, which is then loaded into the DAC register using the
LDAC input pin. The converter can be powered from
±
12V
to
±
15V dual analog supplies and a +5V logic supply. The
device offers a reset function, which immediately sets the
DAC output voltage and DAC register to min-scale (code
0000
H
) or mid-scale (code 8000
H
). The data I/O and reset
functions are discussed in more detail in the following sec-
tions.
FIGURE 1. DAC7741 Architecture.
FIGURE 2. Basic Operation: V
OUT
= 0 to +10V.
2R
2R
2R
2R
2R
2R
2R
2R
2R
R/4
R/2
R/2
R/4
R/4
R
R
OFFSET
RFB2
RFB1
SJ
V
OUT
V
REF
V
REF
AGND
REF
IN
REF
ADJ
REF
OUT
+10V Internal
Reference
Buffer
1
μ
F
0.1
μ
F
V
DD
1
μ
F
0.1
μ
F
V
SS
1
μ
F
0.1
μ
F
V
CC
Control Bus
Data Bus
Data Bus
3
3
3
3
3
3
3
2
2
2
2
2
N
D
D
D
D
D
D
D
D
D
T
N
DGND
V
DD
RST
LDAC
CS
R/W
RSTSEL
REFEN
REF
OUT
REFADJ
REF
IN
NC
NC
NC
DB6
DB5
DB4
DB3
DB2
DB1
DB0
NC
NC
NC
1
2
3
4
5
6
7
8
9
1
1
1
N
V
S
V
C
V
R
R
O
A
A
R
R
S
V
O
N
4
4
4
4
4
4
4
4
4
3
3
1
1
1
1
1
1
1
2
2
2
2
3
2
DAC7741
(0V to +10V)
相關PDF資料
PDF描述
DAC7741Y 16-Bit, Single Channel DIGITAL-TO-ANALOG CONVERTER With Internal Reference and Parallel Interface
DAC7744 16-Bit, Quad Voltage Output DIGITAL-TO-ANALOG CONVERTER
DAC7744E Single Supply RS232C Line Driver/Receiver(?????μ?o?RS232C ?o?????????¨???2???2??????)
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DAC7744EC Single Supply RS232C Line Driver/Receiver(?????μ?o?RS232C ?o?????????¨???2???2??????)
相關代理商/技術參數(shù)
參數(shù)描述
DAC7741EVM 功能描述:數(shù)據(jù)轉換 IC 開發(fā)工具 DAC7741 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
DAC7741Y 制造商:BB 制造商全稱:BB 功能描述:16-Bit, Single Channel DIGITAL-TO-ANALOG CONVERTER With Internal Reference and Parallel Interface
DAC7741Y/250 功能描述:數(shù)模轉換器- DAC 16-Bit Sng Ch W/Int +10V Ref & Para I/F 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
DAC7741Y/250G4 功能描述:數(shù)模轉換器- DAC 16B,Sgl Channel,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
DAC7741Y/2K 功能描述:數(shù)模轉換器- DAC 16-Bit Sng Ch W/Int +10V Ref & Para I/F 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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