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AD9432BSTZ-80

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
12-Bit, 80 MSPS/105 MSPS ADC
AD9432
Rev. F
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rights of third parties that may result from its use. Specifications subject to change without notice. No
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FEATURES
On-chip reference and track-and-hold
On-chip input buffer
Power dissipation: 850 mW typical at 105 MSPS
500 MHz analog bandwidth
SNR: 67 dB @ 49 MHz AIN at 105 MSPS
SFDR: 80 dB @ 49 MHz AIN at 105 MSPS
2.0 V p-p analog input range
5.0 V supply operation
3.3 V CMOS/TTL outputs
Twos complement output format
APPLICATIONS
Communications
Base stations and zero-IF subsystems
Wireless local loop (WLL)
Local multipoint distribution service (LMDS)
HDTV broadcast cameras and film scanners
GENERAL INTRODUCTION
The AD9432 is a 12-bit, monolithic sampling analog-to-digital
converter (ADC) with an on-chip track-and-hold circuit and is
optimized for high speed conversion and ease of use. The prod-
uct operates up to a 105 MSPS conversion rate with outstanding
dynamic performance over its full operating range.
The ADC requires only a single 5.0 V power supply and a 105 MHz
encode clock for full performance operation. No external refer-
ence or driver components are required for many applications.
The digital outputs are TTL-/CMOS-compatible, and a separate
output power supply pin supports interfacing with 3.3 V logic.
The encode input supports either differential or single-ended
mode and is TTL-/CMOS-compatible.
Fabricated on an advanced BiCMOS process, the AD9432 is
available in a 52-lead low profile quad flat package (LQFP) and
in a 52-lead thin quad flat package (TQFP_EP). The AD9432 is
specified over the industrial temperature range of −40°C to +85°C.
FUNCTIONAL BLOCK DIAGRAM
12
12
T/HBUF
PIPELINE
ADC
REF
TIMING
OUTPUT
STAGING
AD9432
V
CC
V
DD
GND VREFOUT VREFIN
D11 TO D0
OR
ENCODE
ENCODE
AIN
AIN
00587-001
Figure 1.
AD9432* PRODUCT PAGE QUICK LINKS
Last Content Update: 02/23/2017
COMPARABLE PARTS
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DOCUMENTATION
Application Notes
• AN-282: Fundamentals of Sampled Data Systems
• AN-345: Grounding for Low-and-High-Frequency Circuits
• AN-501: Aperture Uncertainty and ADC System
Performance
• AN-715: A First Approach to IBIS Models: What They Are
and How They Are Generated
• AN-737: How ADIsimADC Models an ADC
• AN-756: Sampled Systems and the Effects of Clock Phase
Noise and Jitter
• AN-808: Multicarrier CDMA2000 Feasibility
• AN-835: Understanding High Speed ADC Testing and
Evaluation
• AN-905: Visual Analog Converter Evaluation Tool Version
1.0 User Manual
• AN-935: Designing an ADC Transformer-Coupled Front
End
Data Sheet
• AD9432: 12-Bit, 80 MSPS/105 MSPS ADC Data Sheet
TOOLS AND SIMULATIONS
• Visual Analog
• AD9432 IBIS Model
REFERENCE MATERIALS
Technical Articles
• Correlating High-Speed ADC Performance to Multicarrier
3G Requirements
• DNL and Some of its Effects on Converter Performance
• MS-2210: Designing Power Supplies for High Speed ADC
DESIGN RESOURCES
• AD9432 Material Declaration
• PCN-PDN Information
• Quality And Reliability
• Symbols and Footprints
DISCUSSIONS
View all AD9432 EngineerZone Discussions.
SAMPLE AND BUY
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TECHNICAL SUPPORT
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number.
DOCUMENT FEEDBACK
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AD9432
Rev. F | Page 2 of 16
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Introduction ....................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Timing Diagram ........................................................................... 5
Absolute Maximum Ratings ............................................................ 6
Explanation of Test Levels ........................................................... 6
Thermal Characteristics .............................................................. 6
ESD Caution .................................................................................. 6
Pin Configurations and Function Descriptions ........................... 7
Typical Performance Characteristics ............................................. 8
Terminology .................................................................................... 11
Equivalent Circuits ......................................................................... 12
Theory of Operation ...................................................................... 13
Analog Input ............................................................................... 13
Encode Input ............................................................................... 13
Encode Voltage Level Definition .............................................. 13
Digital Outputs ........................................................................... 14
Voltage Reference ....................................................................... 14
Timing ......................................................................................... 14
Applications Information .............................................................. 15
Using the AD8138 to Drive the AD9432 ................................ 15
Outline Dimensions ....................................................................... 16
Ordering Guide .......................................................................... 16
REVISION HISTORY
6/09—Rev. E to Rev. F
Updated Format .................................................................. Universal
Reorganized Layout ............................................................ Universal
Added TQFP_EP Package ................................................. Universal
Deleted LQFP_ED Package ............................................... Universal
Changes to Thermal Characteristics Section ................................ 6
Changes to Pin Configurations and Function Descriptions
Section ................................................................................................ 7
Changes to Terminology Section.................................................. 11
Deleted Evaluation Board Section ................................................ 15
Updated Outline Dimensions ....................................................... 16
Changes to Ordering Guide .......................................................... 16
1/02—Rev. D to Rev. E
Edits to Specifications ....................................................................... 3
Edits to Absolute Maximum Ratings .............................................. 4
Edits to Ordering Guide ................................................................... 4
Addition of Text to Using the AD9432 Section .......................... 10
Edits to Figure 17a .......................................................................... 15
Edits to Figure 17b ......................................................................... 16
Addition of SQ-52 Package Outline ............................................. 18
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

AD9432BSTZ-80

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Manufacturer:
Analog Devices Inc.
Description:
Analog to Digital Converters - ADC IC 12-BIT 80 MSPS
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