- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄67344 > TLV5638QDRG4 (TEXAS INSTRUMENTS INC) SERIAL INPUT LOADING, 3.5 us SETTLING TIME, 12-BIT DAC, PDSO8 PDF資料下載
參數(shù)資料
| 型號： | TLV5638QDRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 3.5 us SETTLING TIME, 12-BIT DAC, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 5/23頁 |
| 文件大?。?/td> | 531K |
| 代理商： | TLV5638QDRG4 |
www.ti.com
LINEARITY, OFFSET, AND GAIN ERROR USING SINGLE ENDED SUPPLIES
DAC Code
Output
Voltage
0 V
Negative
Offset
TLV5638
SLAS225C – JUNE 1999 – REVISED JANUARY 2004
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 14.
Figure 14. 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.
13
相關PDF資料 |
PDF描述 |
|---|---|
| TLV5638MFKB | SERIAL INPUT LOADING, 3.5 us SETTLING TIME, 12-BIT DAC, CQCC20 |
| TLV5638MJGB | SERIAL INPUT LOADING, 3.5 us SETTLING TIME, 12-BIT DAC, CDIP8 |
| TLV5638CDRG4 | SERIAL INPUT LOADING, 3.5 us SETTLING TIME, 12-BIT DAC, PDSO8 |
| TLV5638IDRG4 | SERIAL INPUT LOADING, 3.5 us SETTLING TIME, 12-BIT DAC, PDSO8 |
| TLV5638CDG4 | SERIAL INPUT LOADING, 3.5 us SETTLING TIME, 12-BIT DAC, PDSO8 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TLV5639 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG CONVERTERS WITH INTERNAL REFERENCE AND POWER DOWN |
| TLV5639C | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG CONVERTERS WITH INTERNAL REFERENCE AND POWER DOWN |
| TLV5639CDW | 功能描述:數(shù)模轉換器- DAC 12bit DAC w/V Ref RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| TLV5639CDWG4 | 功能描述:數(shù)模轉換器- DAC 12bit DAC w/V Ref RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| TLV5639CDWR | 功能描述:數(shù)模轉換器- DAC Low Power 12-Bit DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
發(fā)布緊急采購，3分鐘左右您將得到回復。