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DAC5687 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
DAC5687 16-BIT, 500 MSPS 2?8 INTERPOLATING DUAL-CHANNEL DIGITAL-TO-ANALOG CONVERTER (DAC) Texas-Instruments
Texas Instruments Texas-Instruments
DAC5687 Datasheet PDF : 80 Pages
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DAC5687
SLWS164E – FEBRUARY 2005 – REVISED SEPTEMBER 2006
HP8665B
Synthesized
Signal
Generator
Sinusoid
FREQ. = fDAC
Agilent 8133A
Pulse Generator
PULSE
FREQ. = fDAC
Ampl. = 1 VPP
0.01 µF 1:4
200
Mini Circuits
TCM4−1W
PULSE
FREQ. = fdata
16
Agilent 16702B
Mainframe System
With
16720A Pattern
Generator Card 16
CLK2
CLK2C
CLK1
CLK1C
PLLLOCK
DA[15:0]
DB[15:0]
3.3 V
TXENABLE
RESETB
1.8 V/2.1 V
10 10 pF
www.ti.com
EXTLO
EXTIO
BIASJ
IOUTA1
IOUTA2
IOUTB1
IOUTB2
IOVDD
IOGND
CEXTIO
0.1 µF
3.3 V
Rohde & Schwarz
FSQ8
Spectrum
Analyzer
RBIAS
1 k
100
3.3 V
1:4
100
Mini Circuits
T4−1
3.3 V
3.3 V
3.3 V
330 pF
3.3 V
0.033 µF 93.1
Figure 26. DAC5687 Test Configuration for External Clock Mode
B0039-01
PLL clock mode was characterized using the test configuration shown in Figure 27. The DAC data rate clock
fDATA is generated by an HP8665B signal generator. An Agilent 8133A pulse generator is used to generate a
clock fDATA for the Agilent 16702A pattern-generator clock and provide adjustable skew to the DAC input clock.
The 8133A fDAC output is set to 1 VPP, equivalent to 2-VPP differential at CLK1/CLK1C pins. Alternatively, the
DAC5687 PLLLOCK output can be used for the pattern-generator clock.
18
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