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参数资料
| 型号： | TLV5614CPWR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 9 us SETTLING TIME, 12-BIT DAC, PDSO16 |
| 封装： | GREEN, PLASTIC, TSSOP-16 |
| 文件页数： | 4/34页 |
| 文件大小： | 737K |
| 代理商： | TLV5614CPWR |
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TLV5614
2.7-V TO 5.5-V 12-BIT 3-
S QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS
WITH POWER DOWN
SLAS188B – SEPTEMBER 1998 – REVISED APRIL 2003
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
general function
The TLV5614 is a 12-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 2n–1, where
n=12 (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
Explanation of data transfer: First, the device has to be enabled with CS set to low. Then, 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 TLV5614 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
DSP family. Figure
15 shows an example with two TLV5614s connected directly to a TMS320 DSP.
TMS320
DSP
XF0
XF1
FSX
DX
CLKX
TLV5614
CS FS DIN SCLK
TLV5614
CS FS DIN SCLK
Figure 15. TMS320 Interface
TMS320 is a trademark of Texas Instruments.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLV5614CPWRG4 | 功能描述:数模转换器- DAC 12-Bit 3 us Quad DAC Serial Input RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| TLV5614D | 制造商:TI 制造商全称:Texas Instruments 功能描述:2.7-V TO 5.5-V 12-BIT 3-mS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN |
| TLV5614-EP | 制造商:TI 制造商全称:Texas Instruments 功能描述:2.7-V TO 5.5-V 12-BIT 3-??s QUADRUPLE DIGITAL-TO-ANALOG CONVERTER WITH POWER DOWN |
| TLV5614ID | 功能描述:数模转换器- DAC 10bit Quad Serial RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| TLV5614ID | 制造商:Texas Instruments 功能描述:12-BIT QUADRUPLE DIGITAL/ANALOG CONVERTE |
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