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LTC1402 - 典型应用图例：
LTC1402典型应用图例一
LTC1402典型应用图例二
LTC1402 - 封装图解：
LTC1402封装图解一
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LINEAR产品 - LTC1402介绍

LTC1402 - LTC1402是Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown

LTC1402是LINEAR凌力尔特公司的一款通用型 SAR ADC产品，LTC1402是LTC1402是Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown，本站介绍了LTC1402的封装应用图解、特点和优点、功能等，并给出了与LTC1402相关的LINEAR元器件型号供参考。

LTC1402 - LTC1402是Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown - 通用型 SAR ADC - 数据转换 - 凌力尔特

LTC1402 - Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown

LTC1402 - Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown - Linear Technology（凌力尔特）

功能描述
The LTC1402 is a 12-bit, 2.2Msps sampling A/D converter. This high performance device includes a high dynamic range sample-and-hold and a precision reference. It operates from a single 5V supply or dual ±5V supplies and draws only 90mW from 5V. The versatile differential input offers a unipolar range of 4.096V and a bipolar range of ±2.048V for dual supply systems where high performance op amps perform best, eliminating the need for special translation circuitry. The high common mode rejection allows users to eliminate ground loops and common mode noise by measuring signals differentially from the source. Outstanding AC performance includes 72dB S/(N + D) and –93dB SFDR at the Nyquist input frequency of 1.1MHz with dual ±5V supplies and –84dB SFDR with a single 5V supply. The LTC1402 has two power saving modes: Nap and Sleep. Nap mode consumes only 15mW of power and can wake up and convert immediately. In Sleep mode, it typically consumes 10µW of power. Upon power-up from Sleep mode, a reference ready (REFRDY) signal is available in the serial data word to indicate that the reference has settled and the chip is ready to convert. The 3-wire serial port allows compact and efficient data transfer to a wide range of microprocessors, microcontrollers and DSPs. A digital output driver power supply pin allows direct connection to 3V or lower logic.

特点
  • Sample Rate: 2.2Msps
  • 72dB S/(N + D) and ?89dB THD at Nyquist
  • Power Dissipation: 90mW (Typ)
  • 80MHz Full Power Bandwidth Sampling
  • No Missing Codes over Temperature
  • Available in 16-Pin Narrow SSOP Package
  • Single Supply 5V or ±5V Operation
  • Nap Mode with Instant Wake-Up: 15mW
  • Sleep Mode: 10µW
  • True Differential Inputs Reject Common Mode Noise
  • Input Range (1mV/LSB): 0V to 4.096V or ±2.048V
  • Internal Reference Can Be Overdriven Externally
  • 3-Wire Interface to DSPs and Processors (SPI and
  • MICROWIRE™ Compatible)
    • 应用
  • Telecommunications
  • High Speed Data and Signal Acquisition
  • Digitally Multiplexed Data Acquisition Systems
  • Digital Radio Receivers
  • Spectrum Analysis
  • Low Power and Battery-Operated Systems
  • Handheld or Portable Instruments
  • Imaging Systems
    • 以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）
    器件型号 封装 温度 价格 (以 1 ~ 99 片为批量) 价格 (以 1000 片为批量)
    LTC1402CGN SSOP-16 C $8.30 $6.95
    LTC1402CGN#PBF SSOP-16 C $8.30 $6.95
    LTC1402CGN#TR SSOP-16 C $7.01
    LTC1402CGN#TRPBF SSOP-16 C $7.01
    LTC1402IGN SSOP-16 I $9.50 $7.95
    LTC1402IGN#PBF SSOP-16 I $9.50 $7.95
    LTC1402IGN#TR SSOP-16 I $8.01
    LTC1402IGN#TRPBF SSOP-16 I $8.01
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  • LT4320 / LT4320-1 - 理想二极管桥控制器
  • LTC2315-12 - 采用 TSOT 封装的 12 位、5Msps、串行采样 ADC
  • LT3092 - 200mA、两端可编程电流源
    • 下面可能是您感兴趣的凌力尔特公司通用型 SAR ADC元器件
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