AD9434-370EBZ View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD9434-370EBZ

14-Bit 105/125 MSPS A/D Converter

Analog Devices 

AD9434

EQUIVALENT CIRCUITS

AVDD

AVDD

CLK+

0.9V

15kΩ

15kΩ

AVDD

CLK–

Figure 33. Clock Inputs

AVDD

CML

VBOOST

AVDD

VIN+

500Ω

VIN+

AVDD

SPI

CONTROLLED

500Ω

AIN+

DC

AIN–

Figure 34. Analog Input DC Equivalent Circuit (VCML = ~1.7 V)

DRVDD

SCLK/DFS

350Ω

30kΩ

DRVDD

Figure 35. Equivalent SCLK/DFS, PDWN Input Circuit

VIN+

1.3pF

1000Ω

VIN–

Figure 36. Analog Input AC Equivalent Circuit

Data Sheet

DRVDD

CSB

DRVDD

350Ω

30kΩ

DRVDD

Figure 37. Equivalent CSB Input Circuit

DRVDD

V+

D11– TO D0–

V–

V–

D11+ TO D0+

V+

Figure 38. LVDS Outputs (Dx+, Dx−, OR+, OR−, DCO+, DCO−)

AVDD

VREF

(00) 20kΩ

(01)

(10)

NOT USED

(11)

SPI CTRL VREF SELECT

00 = INTERNAL VREF

01 = IMPORT VREF

10 = EXPORT VREF

11 = NOT USED

Figure 39. Equivalent VREF Input/Output Circuit

DRVDD

DRVDD

350Ω

30kΩ

SDIO

CTRL

Figure 40. Equivalent SDIO Input Circuit

Rev. B | Page 18 of 28

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