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| 型號： | THS1206MDAREP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
| 封裝： | GREEN, PLASTIC, TSSOP-32 |
| 文件頁數(shù)： | 22/43頁 |
| 文件大?。?/td> | 799K |
| 代理商： | THS1206MDAREP |
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THS1206EP
12BIT 6 MSPS, SIMULTANEOUS SAMPLING
ANALOGTODIGITAL CONVERTERS
SGLS126A JULY 2002 REVISED FEBRUARY 2003
29
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
dc coupling
An operational amplifier can be configured to shift the signal level according to the analog input voltage range
of the THS1206. The analog input voltage range of the THS1206 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 19.
Figure 19 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 THS1206 (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 THS1206 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
THS1206
AINP
REFOUT
R
1.25 V
1 V
0 V
1 V
REFIN
Figure 19. 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.
THS1206
AINP
AINM
REFOUT
C
R
200
49.9
Mini Circuits
T41
Figure 20. Transformer Coupled Input
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| THS1206MDA | 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
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| THS1207IDA | 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| THS1206M-EVM | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 THS1206M Eval Module RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| THS1206QDA | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 6 MSPS Quad Channel RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| THS1206QDAR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 Bit 6 MSPS Quad Channel RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| THS1207 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:12 bit 4 ANALOG INPUT 6 MSPS SIMULTANEOUS SAMPLING |
| THS1207CDA | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 6MSPS Simult Sampling Quad Ch RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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