參數(shù)資料
型號(hào)： THS5651PW
廠商： Texas Instruments, Inc.
英文描述： 10-BIT, 100 MSPS, CommsDACE DIGITAL-TO-ANALOG CONVERTER
中文描述： 10位，100 MSPS的，CommsDACE數(shù)字模擬轉(zhuǎn)換器
文件頁(yè)數(shù)： 18/28頁(yè)
文件大?。?/td> 702K
代理商： THS5651PW
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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THS5661AIDW 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit 125 MSPS CommsDAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類(lèi)型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
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