AD9432 12-Bit, 105 MSPS Analog-to-Digital Converter

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 product 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 reference 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.

Features and Benefits
  • 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
    • Analog to Digital Converters
    AD9432 IBIS Model
    Data Sheets
    Documentnote
    AD9432: 12-Bit, 80 MSPS/105 MSPS ADC Data Sheet (Rev. F)PDF 498 kB
    Application Notes
    Documentnote
    AN-905: Visual Analog Converter Evaluation Tool Version 1.0 User Manual (Rev. 0)PDF 2124 kB
    AN-835: Understanding High Speed ADC Testing and Evaluation (Rev. B)PDF 985 kB
    AN-501: Aperture Uncertainty and ADC System Performance (Rev. A)PDF 227 kB
    AN-282: Fundamentals of Sampled Data SystemsPDF 2131 kB
    AN-756: Sampled Systems and the Effects of Clock Phase Noise and Jitter (Rev. 0)PDF 291.7 K
    AN-935: Designing an ADC Transformer-Coupled Front End (Rev. 0)PDF 363 kB
    AN-345: Grounding for Low-and-High-Frequency CircuitsPDF 455 kB
    AN-737: How ADIsimADC Models an ADC (Rev. B)PDF 373 kB
    AN-808: Multicarrier CDMA2000 Feasibility (Rev. 0)PDF 1535 kB
    AN-715: A First Approach to IBIS Models: What They Are and How They Are Generated (Rev. 0)PDF 370.2 K
    Order Information
    Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
    AD9432BSTZ-105 Production52 ld LQFP (10x10mm)OTH 160-40 to 85C38.6532.84Y
    AD9432BSTZ-80 Production52 ld LQFP (10x10mm)OTH 160-40 to 85C31.1226.44Y
    AD9432BSVZ-105 Production52 ld TQFP_EP(10x10 w/7.3 ep) OTH 160-40 to 85C38.6532.84Y
    AD9432BSVZ-80 Production52 ld TQFP_EP(10x10 w/7.3 ep) OTH 160-40 to 85C31.1226.44Y
    Reference Materials
    AD9432: 12-Bit, 80 MSPS/105 MSPS ADC Data Sheet (Rev. F) ad9432
    AD9432BSQ (All Speed Grades) ad9432
    AN-808: CDMA2000多载波系统可行性研究 (Rev. 0) adl5330
    AN-905: Visual Analog Converter Evaluation Tool Version 1.0 User Manual (Rev. 0) ad9220
    AN-835: Understanding High Speed ADC Testing and Evaluation (Rev. B) ad9220
    AN-501: Aperture Uncertainty and ADC System Performance (Rev. A) ad9220
    AN-282: Fundamentals of Sampled Data Systems ad1674
    AN-756: Sampled Systems and the Effects of Clock Phase Noise and Jitter (Rev. 0) ad9220
    AN-935: Designing an ADC Transformer-Coupled Front End (Rev. 0) ad9220
    AN-345: Grounding for Low-and-High-Frequency Circuits ad9220
    AN-835: 高速ADC测试和评估 (Rev. 0) ad9510
    AN-282: 采样数据系统基本原理[中文版] (Rev. A) ad75019
    AN-737: 如何用ADIsimADC完成ADC建模 (Rev. B) ad6642
    AN-737: How ADIsimADC Models an ADC (Rev. B) ad9220
    AN-808: Multicarrier CDMA2000 Feasibility (Rev. 0) ad9863
    AN-905: VisualAnalog™转换器评估工具1.0版用户手册 (Rev. 0) ad6655
    AN-935: ADC变压器耦合前端设计[中文版] (Rev. 0) ad6655
    AN-715: 走近IBIS模型：什么是IBIS模型？它们是如何生成的？ (Rev. 0) ad6655
    AN-715: A First Approach to IBIS Models: What They Are and How They Are Generated (Rev. 0) ad9220
    AN-345: 低频和高频电路接地 ad9540
    AN-756: 系统采样以及时钟相位噪声和抖动的影响[中文版] (Rev. 0) ad9540
    AN-501: 孔径不确定度与ADC系统性能[中文版] (Rev. A) ad9540
    MS-2210：高速ADC的电源设计 ad9861
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