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參數資料
| 型號： | THS10064IDA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
| 封裝： | GREEN, PLASTIC, TSSOP-32 |
| 文件頁數： | 29/42頁 |
| 文件大小： | 527K |
| 代理商： | THS10064IDA |
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THS10064
SLAS255B – DECEMBER 1999 – REVISED DECEMBER 2002
www.ti.com
35
DC COUPLING
An operational amplifier can be configured to shift the signal level according to the analog input voltage range of the
THS10064. The analog input voltage range of the THS10064 goes from 1.5 V to 3.5 V. An op-amp specified for 5-V
single supply can be used as shown in Figure 44.
Figure 44 shows an application example where the analog input signal in the range from –1 V up to 1 V is shifted
by an op-amp to the analog input range of the THS10064 (1.5 V to 3.5 V). The op-amp is configured as an inverting
amplifier with a gain of –1. The required dc voltage of 1.25 V at the noninverting input is derived from the 2.5-V output
reference REFOUT of the THS10064 by using a resistor divider. Therefore, the op-amp output voltage is centered
at 2.5 V. The use of ratio matched, thin-film resistor networks minimizes gain and offset errors.
_
+
5 V
R
RS
3.5 V
2.5 V
1.5 V
THS10064
AINP
REFOUT
R
1.25 V
1 V
0 V
–1 V
REFIN
Figure 44. Level-Shift for DC-Coupled Input
DIFFERENTIAL MODE OF OPERATION
For the differential mode of operation, a conversion from single-ended to differential is required. A conversion to
differential signals can be achieved by using an RF-transformer, which provides a center tap. Best performance is
achieved in differential mode.
THS10064
AINP
AINM
REFOUT
C
R
200
49.9
Mini Circuits
T4–1
Figure 45. Transformer Coupled Input
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| THS10064CDAR | 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
| THS10064IDAR | 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
| THS10064IDAG4 | 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
| THS1007CDA | 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
| THS1007CDAR | 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| THS10064IDAG4 | 功能描述:模數轉換器 - ADC 10B 6 MSPS ADC Quad Ch. DSP/uP Interface RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| THS1007 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT, 4 ANALOG INPUT, 6-MSPS, SIMULATANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTER |
| THS1007CDA | 功能描述:模數轉換器 - ADC 10-Bit 6MSPS Simult Sampling Quad Ch RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| THS1007CDAG4 | 功能描述:模數轉換器 - ADC 10-Bit 6MSPS Simult Sampling Quad Ch RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| THS1007CDAR | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT, 4 ANALOG INPUT, 6-MSPS, SIMULATANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTER |
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