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參數資料
| 型號： | THS5651IDW |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 0.035 us SETTLING TIME, 10-BIT DAC, PDSO28 |
| 封裝： | PLASTIC, SOIC-28 |
| 文件頁數： | 10/29頁 |
| 文件大小： | 725K |
| 代理商： | THS5651IDW |
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THS5651
10-BIT, 100 MSPS, CommsDAC
DIGITAL-TO-ANALOG CONVERTER
SLAS197A – JUNE 1999
18
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
IOUT2
IOUT1
IOUT2
IOUT1
VOUT
100
–
+
RFB
+)
–)
VOUT
+)
–)
50
(a)
(b)
50
CFB
THS4001
THS4011
Figure 24. Differential and Single-Ended Output Configuration
The THS5651 can be easily configured to drive a doubly terminated 50
cable. Figure 25(a) shows the
single-ended output configuration, where the output current IOUT1 flows into an equivalent load resistance of
25
. Node IOUT2 should be connected to ground or terminated with a resistor of 25 . Differential-to-single
conversion (e.g., for measurement purposes) can be performed using a properly selected RF transformer, as
shown in Figure 25(b). This configuration provides maximum rejection of common-mode noise sources and
even order distortion components, thereby doubling the power to the output. The center tap on the primary side
of the transformer is connected to AGND, enabling a dc current flow for both IOUT1 and IOUT2. Note that the
ac performance of the THS5651 is optimum and specified using this differential transformer coupled output,
limiting the voltage swing at IOUT1 and IOUT2 to
±0.5 V.
IOUT2
IOUT1
VOUT
IOUT2
IOUT1
VOUT
50
100
(a)
(b)
25
50
50
50
50
1:1
Figure 25. Driving a Doubly Terminated 50
Cable
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相關代理商/技術參數 |
參數描述 |
|---|---|
| THS5651IPW | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| THS5651PW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT, 100 MSPS, CommsDACE DIGITAL-TO-ANALOG CONVERTER |
| THS5661 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-BIT, 100 MSPS, CommsDACE DIGITAL-TO-ANALOG CONVERTER |
| THS5661A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-BIT, 125 MSPS, CommsDACE DIGITAL-TO-ANALOG CONVERTER |
| THS5661ADW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-BIT, 125 MSPS, CommsDACE DIGITAL-TO-ANALOG CONVERTER |
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