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数据转换器
模数转换器 (ADC)
高速 ADC (≥10 MSPS)

ADS61B23

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12 位、80MSPS 模数转换器 (ADC)

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ADS61B23

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产品详情

Sample rate (max) (Msps) 80 Resolution (Bits) 12 Number of input channels 1 Interface type DDR LVDS, Parallel CMOS Analog input BW (MHz) 450 Features Low Power Rating Catalog Peak-to-peak input voltage range (V) 2 Power consumption (typ) (mW) 351 Architecture Pipeline SNR (dB) 70.2 ENOB (Bits) 11.3 SFDR (dB) 87 Operating temperature range (°C) -40 to 85 Input buffer Yes
Sample rate (max) (Msps) 80 Resolution (Bits) 12 Number of input channels 1 Interface type DDR LVDS, Parallel CMOS Analog input BW (MHz) 450 Features Low Power Rating Catalog Peak-to-peak input voltage range (V) 2 Power consumption (typ) (mW) 351 Architecture Pipeline SNR (dB) 70.2 ENOB (Bits) 11.3 SFDR (dB) 87 Operating temperature range (°C) -40 to 85 Input buffer Yes
VQFN (RHB) 32 25 mm² 5 x 5
  • Maximum Sample Rate: 80 MSPS
  • 12-bit Resolution with No Missing Codes
  • Buffered Analog Inputs with
    • Very Low Input Capacitance (< 2 pF)
    • High DC Resistance (5 k)
  • 82 dBc SFDR and 70 dBFS SNR
    (-1 BFS or 1.8 Vpp input)
  • 85 dBc SFDR (-6 dBFS or 1 Vpp input)
  • 3.5 dB Coarse Gain and up to 6 dB Programmable Fine Gain for SNR and SFDR Trade-Off
  • Parallel CMOS and Double Data Rate (DDR) LVDS Output Options
  • Supports Sine, LVCMOS, LVPECL, LVDS Clock Inputs and Clock Amplitude Down to 400 mVPP
  • Clock Duty Cycle Stabilizer
  • Internal Reference with Support for External Reference
  • External Decoupling Eliminated for References
  • Programmable Output Clock Position and Drive Strength to Ease Data Capture
  • 3.3 V Analog and 1.8 V to 3.3 V Digital Supply
  • 32-pin QFN Package (5 mm × 5 mm)
  • Pin Compatible 12-Bit Family (ADS612X)
  • Temperature range -40°C to 85°C
  • APPLICATIONS
    • Wireless Communications Infrastructure
    • Software Defined Radio
    • Power Amplifier Linearization
    • 802.16d/e
    • Test and Measurement Instrumentation
    • High Definition Video
    • Medical Imaging
    • Radar Systems
  • Maximum Sample Rate: 80 MSPS
  • 12-bit Resolution with No Missing Codes
  • Buffered Analog Inputs with
    • Very Low Input Capacitance (< 2 pF)
    • High DC Resistance (5 k)
  • 82 dBc SFDR and 70 dBFS SNR
    (-1 BFS or 1.8 Vpp input)
  • 85 dBc SFDR (-6 dBFS or 1 Vpp input)
  • 3.5 dB Coarse Gain and up to 6 dB Programmable Fine Gain for SNR and SFDR Trade-Off
  • Parallel CMOS and Double Data Rate (DDR) LVDS Output Options
  • Supports Sine, LVCMOS, LVPECL, LVDS Clock Inputs and Clock Amplitude Down to 400 mVPP
  • Clock Duty Cycle Stabilizer
  • Internal Reference with Support for External Reference
  • External Decoupling Eliminated for References
  • Programmable Output Clock Position and Drive Strength to Ease Data Capture
  • 3.3 V Analog and 1.8 V to 3.3 V Digital Supply
  • 32-pin QFN Package (5 mm × 5 mm)
  • Pin Compatible 12-Bit Family (ADS612X)
  • Temperature range -40°C to 85°C
  • APPLICATIONS
    • Wireless Communications Infrastructure
    • Software Defined Radio
    • Power Amplifier Linearization
    • 802.16d/e
    • Test and Measurement Instrumentation
    • High Definition Video
    • Medical Imaging
    • Radar Systems

ADS61B23 is a 12-bit A/D converter (ADC) with a maximum sampling frequency of 80 MSPS. It combines high performance and low power consumption in a compact 32-QFN package. The analog inputs use buffers to isolate the switching transients of the internal sample & hold from the external driving circuit. The buffered inputs present very low input capacitance (< 2pF) & wide bandwidth. This makes it easy to drive them at high input frequencies, compared to an ADC without the input buffers.

ADS61B23 has coarse and fine gain options that are used to improve SFDR performance at lower full-scale analog input ranges.

The digital data outputs are parallel CMOS or DDR LVDS (Double Data Rate). Several features exist to ease data capture—controls for output clock position and output buffer drive strength, plus LVDS current and internal termination programmability.

The output interface type, gain, and other functions are programmed using a 3-wire serial interface. Alternatively, some of these functions are configured using dedicated parallel pins so the device starts in the desired state after power-up.

ADS61B23 includes internal references, while eliminating the traditional reference pins and associated external decoupling. External reference mode is also supported.

ADS61B23 is a 12-bit A/D converter (ADC) with a maximum sampling frequency of 80 MSPS. It combines high performance and low power consumption in a compact 32-QFN package. The analog inputs use buffers to isolate the switching transients of the internal sample & hold from the external driving circuit. The buffered inputs present very low input capacitance (< 2pF) & wide bandwidth. This makes it easy to drive them at high input frequencies, compared to an ADC without the input buffers.

ADS61B23 has coarse and fine gain options that are used to improve SFDR performance at lower full-scale analog input ranges.

The digital data outputs are parallel CMOS or DDR LVDS (Double Data Rate). Several features exist to ease data capture—controls for output clock position and output buffer drive strength, plus LVDS current and internal termination programmability.

The output interface type, gain, and other functions are programmed using a 3-wire serial interface. Alternatively, some of these functions are configured using dedicated parallel pins so the device starts in the desired state after power-up.

ADS61B23 includes internal references, while eliminating the traditional reference pins and associated external decoupling. External reference mode is also supported.
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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 12Bits 80MSPS ADC with Buffered Analog Inputs 数据表 2008年 2月 7日
应用手册 Design Considerations for Avoiding Timing Errors during High-Speed ADC, LVDS Dat (Rev. A) 2015年 5月 22日
应用手册 Why Use Oversampling when Undersampling Can Do the Job? (Rev. A) 2013年 7月 19日
应用手册 Driving High-Speed ADCs: Circuit Topologies and System-Level Parameters (Rev. A) 2010年 9月 10日
应用手册 Smart Selection of ADC/DAC Enables Better Design of Software-Defined Radio 2009年 4月 28日
应用手册 所选封装材料的热学和电学性质 2008年 10月 16日
应用手册 模数规格和性能特性术语表 (Rev. A) 最新英语版本 (Rev.B) 2008年 10月 16日
应用手册 高速数据转换 英语版 2008年 10月 16日
应用手册 CDCE62005 as Clock Solution for High-Speed ADCs 2008年 9月 4日
应用手册 CDCE72010 as a Clocking Solution for High-Speed Analog-to-Digital Converters 2008年 6月 8日
应用手册 Phase Noise Performance and Jitter Cleaning Ability of CDCE72010 2008年 6月 2日
应用手册 QFN Layout Guidelines 2006年 7月 28日

设计与开发

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支持软件

SBAC120 — TIGAR Support Files

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仿真模型

ADS61xx IBIS Model

SLAC211.ZIP (915 KB) - IBIS Model
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计算工具

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)

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设计工具

SBAC119 — TIGAR (Texas Instruments Graphical Evaluation of ADC Response Tool)

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支持的产品和硬件
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模拟工具

PSPICE-FOR-TI — PSpice® for TI 设计和仿真工具

PSpice® for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence® 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

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在 PSpice for TI 设计和仿真工具中，您可以搜索 TI (...)
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封装 引脚 CAD 符号、封装和 3D 模型
VQFN (RHB) 32 Ultra Librarian
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包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
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  • 制造厂地点
  • 封装厂地点

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