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參數(shù)資料
| 型號： | DAC7821IRGPT |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 12-Bit, Parallel Input, Multiplying Digital-to-Analog Converter |
| 中文描述： | 12位，并行輸入，乘法數(shù)字到模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 14/18頁 |
| 文件大小： | 1597K |
| 代理商： | DAC7821IRGPT |
www.ti.com
Parallel Interface
Data is loaded to the DAC7821 as a 12-bit parallel word. The bi-directional bus is controlled with CS and R/W,
allowing data to be written to or read from the DAC register. To write to the device, CS and R/W are brought low,
and data available on the data lines fills the input register. The rising edge of CS latches the data and transfers
the latched data-word to the DAC register. The DAC latches are not transparent; therefore, a write sequence
must consist of a falling and rising edge on CS in order to ensure that data is loaded to the DAC register and its
analog equivalent is reflected on the DAC output.
Cross-Reference
The DAC7821 has an industry-standard pinout.
Table 1
provides the cross-reference information.
DAC7821
SBAS365A–OCTOBER 2005–REVISED FEBRUARY 2006
APPLICATION INFORMATION (continued)
To read data stored in the device, R/W is held high and CS is brought low. Data is loaded from the DAC register
back to the input register and out onto the data line, where it can be read back to the controller.
Table 1. Cross-Reference
SPECIFIED
TEMPERATURE
RANGE
–40
°
C to +125
°
C
–40
°
C to +125
°
C
PACKAGE
DESCRIPTION
20-Lead TSSOP
20-Lead QFN
(1)
PACKAGE
OPTION
TSSOP-20
QFN-20
CROSS-
PRODUCT
DAC7821
DAC7821
INL (LSB)
±
1
±
1
DNL (LSB)
±
1
±
1
REFERENCE PART
AD5445
AD5445
(1)
Available 2Q 2006.
14
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| DAC7822 | 制造商:BB 制造商全稱:BB 功能描述:Dual, 12-Bit, Parallel Input, Multiplying Digital-to-Analog Converter |
| DAC7822IRTAR | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-bit Dual Channel Par Input Mult 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 |
| DAC7822IRTARG4 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-bit Dual Channel Par Input Mult 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 |
| DAC7822IRTAT | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-bit Dual Channel Par Input Mult 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 |
| DAC7822IRTATG4 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-bit Dual Channel Par Input Mult 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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