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參數資料
| 型號： | THS1206DA |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 12-BIT 6 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS |
| 中文描述： | 12 - MSPS的第6位，同步采樣模擬數字轉換器 |
| 文件頁數： | 31/41頁 |
| 文件大?。?/td> | 564K |
| 代理商： | THS1206DA |
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THS1206
12-BIT 6 MSPS, SIMULTANEOUS SAMPLING
ANALOG-TO-DIGITAL CONVERTERS
SLAS217D – MAY 1999 – REVISED APRIL 2000
31
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
R
RS
3.5 V
2.5 V
1.5 V
THS1206
AINP
REFOUT
R
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
C
R
R
200
49.9
Mini Circuits
T4–1
Figure 20. Transformer Coupled Input
相關PDF資料 |
PDF描述 |
|---|---|
| THS1206MDA | 12-BIT 6 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS |
| THS12082DA | 12-BIT, 8 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS |
| THS4011D | 290-MHz LOW-DISTORTION HIGH-SPEED AMPLIFIERS |
| THS4011JG | 290-MHz LOW-DISTORTION HIGH-SPEED AMPLIFIERS |
| THS4011DGN | 290-MHz LOW-DISTORTION HIGH-SPEED AMPLIFIERS |
相關代理商/技術參數 |
參數描述 |
|---|---|
| THS1206-EP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-BIT 6 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS |
| THS1206EVM | 制造商:Texas Instruments 功能描述:12-BIT 6MSPS QUAD CH. LOW POWER ADC EVM - Bulk 制造商:Texas Instruments 功能描述:THS1206 EVAL MODULE |
| THS1206IDA | 功能描述:模數轉換器 - ADC 12-Bit 6 MSPS Quad Channel 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 |
| THS1206IDA | 制造商:Texas Instruments 功能描述:A/D CONVERTER ((NW)) |
| THS1206IDAG4 | 功能描述:模數轉換器 - ADC 12-Bit 6 MSPS Quad Channel 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 |
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