參數(shù)資料
型號(hào)： TLC5618AMJG
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： SERIAL INPUT LOADING, 12.5 us SETTLING TIME, 12-BIT DAC, CDIP8
封裝： CERAMIC, DIP-8
文件頁(yè)數(shù)： 10/26頁(yè)
文件大?。?/td> 387K
代理商： TLC5618AMJG
TLC5618, TLC5618A
PROGRAMMABLE DUAL 12-BIT DIGITAL-TO-ANALOG CONVERTERS
SLAS156G – JULY 1997 – REVISED APRIL 2001
18
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
SCLK
DIN
CS
TLC5618,
TLC5618A
SCK
MOSI
I/O
SPI/QSPI
Port
CPOL = 1, CPHA = 0
Figure 24. SPI/QSPI Connection
linearity, offset, and gain error using single end supplies
When an amplifier is operated from a single supply, the voltage offset can still be either positive or negative. With
a positive offset, the output voltage changes on the first code change. With a negative offset the output voltage
may not change with the first code depending on the magnitude of the offset voltage.
The output amplifier attempts to drive the output to a negative voltage. However, because the most negative
supply rail is ground, the output cannot drive below ground and clamps the output at 0 V.
The output voltage then remains at zero until the input code value produces a sufficient positive output voltage
to overcome the negative offset voltage, resulting in the transfer function shown in Figure 25.
DAC Code
Output
Voltage
0 V
Negative
Offset
Figure 25. Effect of Negative Offset (Single Supply)
This offset error, not the linearity error, produces this breakpoint. The transfer function would have followed the
dotted line if the output buffer could drive below the ground rail.
For a DAC, linearity is measured between zero-input code (all inputs 0) and full-scale code (all inputs 1) after
offset and full scale are adjusted out or accounted for in some way. However, single supply operation does not
allow for adjustment when the offset is negative due to the breakpoint in the transfer function. So the linearity
is measured between full-scale code and the lowest code that produces a positive output voltage. The code is
calculated from the maximum specification for the negative offset.
相關(guān)PDF資料
PDF描述
TLC5618CP SERIAL INPUT LOADING, 12.5 us SETTLING TIME, 12-BIT DAC, PDIP8
TLC5618AMFK SERIAL INPUT LOADING, 12.5 us SETTLING TIME, 12-BIT DAC, CQCC20
TLC5618IP SERIAL INPUT LOADING, 12.5 us SETTLING TIME, 12-BIT DAC, PDIP8
TLC5620CN SERIAL INPUT LOADING, 10 us SETTLING TIME, 8-BIT DAC, PDIP14
TLC5620CDR SERIAL INPUT LOADING, 10 us SETTLING TIME, 8-BIT DAC, PDSO14
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLC5618AMJGB 制造商:TI 制造商全稱:Texas Instruments 功能描述:PROGRAMMABLE DUAL 12-BIT DIGITAL-TO-ANALOG CONVERTERS
TLC5618AQD 功能描述:數(shù)模轉(zhuǎn)換器- DAC Dual 12bit Serial D 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(shí)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
TLC5618AQD 制造商:Texas Instruments 功能描述:IC DAC 12BIT 1.21MSPS SOIC 制造商:Texas Instruments 功能描述:IC, DAC, 12BIT, 1.21MSPS, SOIC-8; Resolution (Bits):12bit; Sampling Rate:75kSPS; Input Channel Type:Serial; Supply Voltage Range:4.5V to 5.5V; Digital IC Case Style:SOIC; No. of Pins:8; Data Interface:Serial, SPI; DNL:1LSB ;RoHS Compliant: No
TLC5618AQDG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12B 2.5 us Dual DAC LO PWR 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(shí)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
TLC5618AQDR 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12 Bit 2.5 us Dual DAC Serial Input 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(shí)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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