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參數資料
| 型號： | THS5661AIPWG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 0.035 us SETTLING TIME, 12-BIT DAC, PDSO28 |
| 封裝： | GREEN, PLASTIC, TSSOP-28 |
| 文件頁數： | 14/34頁 |
| 文件大?。?/td> | 960K |
| 代理商： | THS5661AIPWG4 |
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THS5661A
12BIT, 125 MSPS, CommsDAC
DIGITALTOANALOG CONVERTER
SLAS247B NOVEMBER 1999 REVISED SEPTEMBER 2002
21
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
IOUT2
IOUT1
IOUT2
IOUT1
VO
100
+
RFB
+)
)
VO
+)
)
50
(a)
(b)
50
CFB
THS4001
THS4011
Figure 33. Differential and Single-Ended Output Configuration
The THS5661A can be easily configured to drive a doubly terminated 50
cable. Figure 34(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 34(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 THS5661A is optimum and specified using this differential transformer coupled output,
limiting the voltage swing at IOUT1 and IOUT2 to
±0.5 V.
IOUT2
IOUT1
VO
IOUT2
IOUT1
VO
50
100
(a)
(b)
25
50
50
50
50
1:1
Figure 34. Driving a Doubly Terminated 50
Cable
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相關代理商/技術參數 |
參數描述 |
|---|---|
| THS5661AIPWR | 功能描述:數模轉換器- DAC 12-Bit 125 MSPS CommsDAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| THS5661AIPWRG4 | 功能描述:數模轉換器- DAC 12-Bit 125 MSPS CommsDAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| THS5661APW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-BIT, 125 MSPS, CommsDACE DIGITAL-TO-ANALOG CONVERTER |
| THS5661DW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-BIT, 100 MSPS, CommsDACE DIGITAL-TO-ANALOG CONVERTER |
| THS5661EVM | 功能描述:數據轉換 IC 開發(fā)工具 THS5661 Eval Mod RoHS:否 制造商:Texas Instruments 產品: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 |
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