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LTC2428 - 典型应用图例：
LTC2428典型应用图例一
LTC2428典型应用图例二
LTC2428 - 封装图解：
LTC2428封装图解一
LTC2428封装图解二
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LINEAR产品 - LTC2428介绍

LTC2428 - LTC2428是4-/8-Channel 20-Bit μPower No Latency Delta-Sigma? ADC

LTC2428是LINEAR凌力尔特公司的一款无延迟增量累加 ADC产品，LTC2428是LTC2428是4-/8-Channel 20-Bit μPower No Latency Delta-Sigma? ADC，本站介绍了LTC2428的封装应用图解、特点和优点、功能等，并给出了与LTC2428相关的LINEAR元器件型号供参考。

LTC2428 - LTC2428是4-/8-Channel 20-Bit μPower No Latency Delta-Sigma? ADC - 无延迟增量累加 ADC - 数据转换 - 凌力尔特

LTC2428 - 4-/8-Channel 20-Bit μPower No Latency Delta-Sigma? ADC

LTC2428 - 4-/8-Channel 20-Bit μPower No Latency Delta-Sigma? ADC - Linear Technology（凌力尔特）

功能描述

The LTC2424/LTC2428 are 4-/8-channel 2.7V to 5.5V micropower 20-bit A/D converters with an integrated oscillator, 8ppm INL and 1.2ppm RMS noise. They use delta-sigma technology and provide single cycle digital filter settling time (no latency delay) for multiplexed applications. The first conversion after the channel is changed is always valid. Through a single pin the LTC2424/LTC2428 can be configured for better than 110dB rejection at 50Hz or 60Hz ±2%, or can be driven by an external oscillator for a user defined rejection frequency in the range 1Hz to 800Hz. The internal oscillator requires no external frequency setting components.

The converters accept any external reference voltage from 0.1V to VCC. With their extended input conversion range of -12.5% VREF to 112.5% VREF (VREF = FSSET - ZSSET) the LTC2424/LTC2428 smoothly resolve the offset and overrange problems of preceding sensors or signal conditioning circuits.

The LTC2424/LTC2428 communicate through a flexible 4-wire digital interface which is compatible with SPI and MICROPOWER? protocols.

特点
  • Pin Compatible 4-/8-Channel 20-Bit ADCs
  • 8ppm INL, No Missing Codes at 20 Bits
  • 4ppm Full-Scale Error and 0.5ppm Offset
  • 1.2ppm Noise
  • Digital Filter Settles in a Single Cycle. Each
  • Conversion is Accurate, Even After Changing Channels
  • Fast Mode: 16-Bit Noise, 12-Bit TUE at 100sps
  • Internal OscillatorNo External Components
  • Required
  • 110dB Min, 50Hz/60Hz Notch Filter
  • Reference Input Voltage: 0.1V to VCC
  • Live ZeroExtended Input Range Accommodates
  • 12.5% Overrange and Underrange
  • Single Supply 2.7V to 5.5V Operation
  • Low Supply Current (200μA) and Auto Shutdown
  • Can Be Interchanged with 24-Bit LTC2404/LTC2408
  • if ZSSET Pin is Grounded
    • 应用
  • Weight Scales
  • Direct Temperature Measurement
  • Gas Analyzers
  • Strain-Gage Transducers
  • Instrumentation
  • Data Acquisition
  • Industrial Process Control
  • 4-Digit DVMs
    • 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)
    LTC2428CG SSOP-28 C $6.20 $5.25
    LTC2428CG#PBF SSOP-28 C $6.20 $5.25
    LTC2428CG#TR SSOP-28 C $5.35
    LTC2428CG#TRPBF SSOP-28 C $5.35
    LTC2428IG SSOP-28 I $6.80 $5.75
    LTC2428IG#PBF SSOP-28 I $6.80 $5.75
    LTC2428IG#TR SSOP-28 I $5.85
    LTC2428IG#TRPBF SSOP-28 I $5.85
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LTC2408 - 4-/8-Channel 24-Bit μPowerNo Latency Delta-Sigma? ADC
  • LT5400 - 四个匹配的电阻器
  • LTC2440 - 具可选速度/分辨率的 24 位高速差分 ΔΣ ADC
  • LTC2444 - 24-Bit High Speed 8-/16-Channel Delta Sigma ADCs with Selectable Speed/Resolution
  • LTC6655 - 0.25ppm 噪声、低漂移、精准基准系列
  • LTC2400 - 24-Bit μPower No Latency Delta-Sigma? ADC in SO-8
  • LTC1867 - 16 位、8 通道 200ksps ADC
  • LTM2883 - 具可调 ±12.5V 和 5V 稳定电源的 SPI / 数字或 I2C μModule 隔离器
  • LTC2449 - 具可选速度/分辨率的 24 位高速 8/16 通道 ΔΣ ADC
  • LTC2442 - 具集成型放大器的 24 位、高速、4 通道 ΔΣ ADC
    • 下面可能是您感兴趣的凌力尔特公司无延迟增量累加 ADC元器件
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