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參數資料
| 型號： | TLV5627CDRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 8.5 us SETTLING TIME, 8-BIT DAC, PDSO16 |
| 封裝： | GREEN, PLASTIC, SOIC-16 |
| 文件頁數： | 4/23頁 |
| 文件大小： | 462K |
| 代理商： | TLV5627CDRG4 |
TLV5627C, TLV5627I
2.7V TO 5.5V 8BIT 4CHANNEL DIGITALTOANALOG CONVERTERS
WITH POWER DOWN
SLAS232A JUNE1999 REVISED JULY 2002
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
general function
The TLV5627 is an 8-bit single supply DAC based on a resistor string architecture. The device consists of a serial
interface, speed and power-down control logic, a reference input buffer, a resistor string, and a rail-to-rail output
buffer.
The output voltage (full scale determined by external reference) is given by:
2REF
CODE
2n
[V]
Where REF is the reference voltage and CODE is the digital input value within the range of 010 to 2n1, where
n=8 (bits). The 16-bit data word, consisting of control bits and the new DAC value, is illustrated in the data format
section. A power-on reset initially resets the internal latches to a defined state (all bits zero).
serial interface
The device has to be enabled with CS set to low. A falling edge of FS starts shifting the data bit-per-bit (starting
with the MSB) to the internal register on the falling edges of SCLK. After 16 bits have been transferred or FS
rises, the content of the shift register is moved to the DAC latch, which updates the voltage output to the new
level.
The serial interface of the TLV5627 can be used in two basic modes:
D Four wire (with chip select)
D Three wire (without chip select)
Using chip select (four-wire mode), it is possible to have more than one device connected to the serial port of
the data source (DSP or microcontroller). The interface is compatible with the TMS320 family. Figure 15 shows
an example with two TLV5627s connected directly to a TMS320 DSP.
TMS320
DSP
XF0
XF1
FSX
DX
CLKX
TLV5627
CS FS DIN SCLK
TLV5627
CS FS DIN SCLK
Figure 15. TMS320 Interface
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相關代理商/技術參數 |
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| TLV5627CPW | 功能描述:數模轉換器- DAC 8-Bit 3us Quad DAC Serial Input RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間: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 |
| TLV5627CPWG4 | 功能描述:數模轉換器- DAC 8-Bit 3us Quad DAC Serial Input RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間: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 |
| TLV5627CPWR | 功能描述:數模轉換器- DAC 8-Bit 3us Quad DAC Serial Input RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間: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 |
| TLV5627CPWRG4 | 功能描述:數模轉換器- DAC 8-Bit 3us Quad DAC Serial Input RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間: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 |
| TLV5627I | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.7-V TO 5.5-V 8-BIT 4-CHANNEL DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN |
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