AD9434 Analog Devices, AD9434 Datasheet - Page 18

• Manufacturer Part Number: AD9434
• Description: 12-Bit, 370 MSPS/500 MSPS, 1.8 V Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9434

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 500MSPS
• Interface: Par
• Analog Input Type: Diff-Bip
• Ain Range: 1.5 V p-p,Bip 0.75V
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9434
EQUIVALENT CIRCUITS
CLK+
VIN+
VIN+
CML
Figure 34. Analog Input DC Equivalent Circuit (V
Figure 35. Equivalent SCLK/DFS, PDWN Input Circuit
SCLK/DFS
AVDD
AVDD
AVDD
AVDD
Figure 36. Analog Input AC Equivalent Circuit
VIN+
VIN–
CONTROLLED
SPI
DRVDD
Figure 33. Clock Inputs
15kΩ
350Ω
AVDD
1.3pF
0.9V
500Ω
500Ω
15kΩ
30kΩ
1000Ω
A
IN
A
–
DRVDD
IN
AVDD
+
CML
= ~1.7 V)
DC
V
BOOST
CLK–
Rev. A | Page 18 of 28
Figure 38. LVDS Outputs (Dx+, Dx−, OR+, OR−, DCO+, DCO−)
SDIO
VREF
Figure 39. Equivalent VREF Input/Output Circuit
CSB
D11– TO D0–
DRVDD
Figure 40. Equivalent SDIO Input Circuit
Figure 37. Equivalent CSB Input Circuit
AVDD
DRVDD
V+
V–
350Ω
DRVDD
350Ω
(00)
DRVDD
DRVDD
30kΩ
(11)
SPI CTRL V
00 = INTERNAL V
01 = IMPORT V
10 = EXPORT V
11 = NOT USED
30kΩ
20kΩ
(01)
(10)
NOT USED
V–
D11+ TO D0+
V+
REF
DRVDD
REF
REF
SELECT
REF
CTRL