參數(shù)資料
型號： DAC8814IBDB
廠商： Texas Instruments, Inc.
英文描述： Quad, Serial Input 16-Bit Multiplying Digital-to-Analog Converter
中文描述： 四，串行輸入16位乘法數(shù)字到模擬轉(zhuǎn)換器
文件頁數(shù)： 28/31頁
文件大?。?/td> 264K
代理商： DAC8814IBDB
www.ti.com
P
APPLICATION INFORMATION
V
OUT
D
32,768
1
V
REF
(2)
10 V
V
REF
10 k
10 k
5 k
V
DD
V
REF
X
V
FB
X
I
OUT
X
A1
A2
A
GND
X
A
GND
FA
V
SS
One Channel
DAC8814
V
OUT
Digital Interface Connections Omitted For Clarity.
10 V < V
OUT
< +10V
Cross-Reference
The DAC8814 has an industry-standard pinout. Table 4 provides the cross-reference information.
DAC8814
SBAS338–JANUARY 2005
The DAC8814, a 2-quadrant multiplying DAC, can be used to generate a unipolar output. The polarity of the
full-scale output I
OUT
is the inverse of the input reference voltage at V
REF
.
Some applications require full 4-quadrant multiplying capabilities or bipolar output swing, as shown in Figure 59.
An additional external op amp A2 is added as a summing amp. In this circuit the first and second amps (A1 and
A2) provide a gain of 2X that widens the output span to 20 V. A 4-quadrant multiplying circuit is implemented by
using a 10-V offset of the reference voltage to bias A2. According to the following circuit transfer equation (
Equation 2), input data (D) from code 0 to full scale produces output voltages of V
OUT
= -10 V to V
OUT
= 10 V.
Figure 59. Four-Quadrant Multiplying Application Circuit
Table 4. Cross-Reference
SPECIFIED
TEMPERATURE
RANGE
-40
°
C to +85
°
C
-40
°
C to +85
°
C
PACKAGE
DESCRIPTION
28-Lead MicroSOIC
28-Lead MicroSOIC
PACKAGE
OPTION
SSOP-28
SSOP-28
CROSS-
PRODUCT
DAC8814ICDB
DAC8814IBDB
INL (LSB)
±
1
±
4
DNL (LSB)
±
1
±
1.5
REFERENCE PART
N/A
AD5544RS
28
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DAC8814IBDBR 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Quad Ser Inp Multiplying Cnvtr 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
DAC8814IBDBRG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Quad Serial Input Mult 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
DAC8814IBDBT 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Quad Ser Inp Multiplying Cnvtr 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
DAC8814IBDBTG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Quad Serial Input Mult 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
DAC8814ICDB 制造商:TI 制造商全稱:Texas Instruments 功能描述:Quad, Serial Input 16-Bit Multiplying Digital-to-Analog Converter
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