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參數(shù)資料
| 型號： | DAC8812C |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Dual, Serial Input 16-Bit Multiplying Digital-to-Analog Converter |
| 中文描述： | 雙路，串行輸入16位乘法數(shù)字到模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 5/18頁 |
| 文件大?。?/td> | 1671K |
| 代理商： | DAC8812C |
www.ti.com
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
DGND
CS
DAC8812
(TOP VIEW)
A
GND
A
A
GND
B
I
OUT
A
V
REF
A
R
FB
A
R
FB
B
V
REF
B
I
OUT
B
LDAC
MSB
V
DD
RS
SDI
CLK
DAC8812
SBAS349A–AUGUST 2005–REVISED DECEMBER 2005
PIN DESCRIPTION
PIN
1
NAME
R
FB
A
DESCRIPTION
Establish voltage output for DAC A by connecting to external amplifier output.
DAC A Reference voltage input terminal. Establishes DAC A full-scale output voltage. Can
be tied to V
DD
pin.
DAC A Current output.
DAC A Analog ground.
DAC B Analog ground.
DAC B Current output.
DAC B Reference voltage input terminal. Establishes DAC B full-scale output voltage. Can
be tied to V
DD
pin.
Establish voltage output for DAC B by connecting to external amplifier output.
Serial data input; data loads directly into the shift register.
Reset pin; active low input. Input registers and DAC registers are set to all 0s or midscale.
Register data = 0x0000 when MSB = 0. Register data = 0x8000 when MSB = 1 for
DAC8812.
Chip-select; active low input. Disables shift register loading when high. Transfers serial
register data to input register when CS goes high. Does not affect LDAC operation.
Digital ground.
Positive power-supply input. Specified range of operation 2.7 V to 5.5 V.
MSB bit sets output to either 0 or midscale during a RESET pulse (RS) or at system
power-on. Output equals zero scale when MSB = 0 and midscale when MSB = 1. MSB pin
can be permanently tied to ground or V
DD
.
Load DAC register strobe; level sensitive active low. Transfers all input register data to the
DAC registers. Asynchronous active low input. See
Table 2
for operation.
Clock input. Positive edge clocks data into shift register.
2
V
REF
A
3
4
5
6
I
OUT
A
A
GND
A
A
GND
B
I
OUT
B
7
V
REF
B
8
9
R
FB
B
SDI
10
RS
11
CS
12
13
DGND
V
DD
14
MSB
15
LDAC
16
CLK
5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DAC8812IBPW | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Dual Serial Input Multiplying 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 |
| DAC8812IBPW | 制造商:Texas Instruments 功能描述:D/A Converter (D-A) IC |
| DAC8812IBPWG4 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Dual Serial Input Multiplying 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 |
| DAC8812IBPWR | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Dual Serial Input Multiplying 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 |
| DAC8812IBPWRG4 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Dual Serial Input Multiplying 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 |
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