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參數(shù)資料
| 型號： | 5962-9957701NXD |
| 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)： | 30/43頁 |
| 文件大?。?/td> | 426K |
| 代理商： | 5962-9957701NXD |
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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
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| 5962-9958301Q2A | 0.1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CQCC20 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 5962-9958101QXC | 功能描述:LVDS 接口集成電路 RoHS:否 制造商:Texas Instruments 激勵器數(shù)量:4 接收機數(shù)量:4 數(shù)據(jù)速率:155.5 Mbps 工作電源電壓:5 V 最大功率耗散:1025 mW 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-16 Narrow 封裝:Reel |
| 5962-9958301Q2A | 制造商:Texas Instruments 功能描述:DC DC Cntrlr Single-OUT PWM DC to DC Controller 3.6V to 40V Input 20-Pin LCCC Tube |
| 5962-9958301QPA | 制造商:Texas Instruments 功能描述:DC DC Cntrlr Single-OUT PWM DC to DC Controller 3.6V to 40V Input 8-Pin CDIP Tube |
| 5962-9958302Q2A | 制造商:Texas Instruments 功能描述:DC DC Cntrlr Single-OUT PWM DC to DC Controller 3.6V to 40V Input 20-Pin LCCC Tube |
| 5962-9958302QPA | 制造商:Texas Instruments 功能描述:DC DC Cntrlr Single-OUT PWM DC to DC Controller 3.6V to 40V Input 8-Pin CDIP Tube |
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