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参数资料
| 型号： | THS1206CDARG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
| 封装： | GREEN, PLASTIC, TSSOP-32 |
| 文件页数： | 30/43页 |
| 文件大小： | 722K |
| 代理商： | THS1206CDARG4 |
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THS1206
SLAS217H – MAY 1999 – REVISED JULY 2003#
www.ti.com
36
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 42.
Figure 42 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 42. 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
T4–1
Figure 43. Transformer Coupled Input
相关PDF资料 |
PDF描述 |
|---|---|
| THS1206IDARG4 | 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
| THS1206IDAG4 | 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
| THS1206CDAR | 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
| THS1206CDA | 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
| THS1206QDAR | 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| THS1206DA | 制造商:TI 制造商全称:Texas Instruments 功能描述:12-BIT 6 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS |
| THS1206-EP | 制造商:TI 制造商全称: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:模数转换器 - ADC 12-Bit 6 MSPS Quad Channel RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| THS1206IDA | 制造商:Texas Instruments 功能描述:A/D CONVERTER ((NW)) |
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