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AD9690 Datasheet(PDF) 21 Page - Analog Devices

Part # AD9690
Description  14-Bit, 1 GSPS/500 MSPS JESD204B, Analog-to-Digital Converter
PDF  77 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9690 Datasheet(HTML) 21 Page - Analog Devices

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Data Sheet
AD9690
EQUIVALENT CIRCUITS
AIN
CONTROL
(SPI)
10pF
VIN+
VIN–
AVDD3
AVDD3
AVDD3
VCM
BUFFER
400Ω
AVDD3
AVDD3
1.5pF
3pF
1.5pF
3pF
Figure 53. Analog Inputs
CLK+
CLK–
AVDD1
25Ω
AVDD1
25Ω
20kΩ
20kΩ
VCM = 0.85V
Figure 54. Clock Inputs
SYSREF+
AVDD1_SR
1kΩ
SYSREF–
AVDD1_SR
1kΩ
20kΩ
20kΩ
LEVEL
TRANSLATOR
VCM = 0.85V
Figure 55. SYSREF± Inputs
DRVDD
DRGND
DRVDD
DRGND
OUTPUT
DRIVER
EMPHASIS/SWING
CONTROL (SPI)
DATA+
DATA–
SERDOUTx+
x = 0, 1, 2, 3
SERDOUTx–
x = 0, 1, 2, 3
Figure 56. Digital Outputs
20kΩ
20kΩ
LEVEL
TRANSLATOR
VCM = 0.85V
SYNCINB± PIN
CONTROL (SPI)
SYNCINB+
DVDD
1kΩ
DGND
SYNCINB–
DVDD
1kΩ
DGND
VCM
Figure 57. SYNCINB± Inputs
30kΩ
SPIVDD
ESD
PROTECTED
ESD
PROTECTED
1kΩ
SPIVDD
SCLK
Figure 58. SCLK Input
Rev. 0 | Page 21 of 77



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