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LTC1289 - 典型应用图例：
LTC1289典型应用图例一
LTC1289 - 封装图解：
LTC1289封装图解一
LTC1289封装图解二
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LINEAR产品 - LTC1289介绍

LTC1289 - LTC1289是3 Volt Single Chip 12-Bit Data Acquisition System

LTC1289是LINEAR凌力尔特公司的一款通用型 SAR ADC产品，LTC1289是LTC1289是3 Volt Single Chip 12-Bit Data Acquisition System，本站介绍了LTC1289的封装应用图解、特点和优点、功能等，并给出了与LTC1289相关的LINEAR元器件型号供参考。

LTC1289 - LTC1289是3 Volt Single Chip 12-Bit Data Acquisition System - 通用型 SAR ADC - 数据转换 - 凌力尔特

LTC1289 - 3 Volt Single Chip 12-Bit Data Acquisition System

LTC1289 - 3 Volt Single Chip 12-Bit Data Acquisition System - Linear Technology（凌力尔特）

功能描述

The LTC1289 is a 3V data acquisition component which contains a serial I/O successive approximation A/D converter. The device specifications are guaranteed at a supply voltage of 2.7V. It uses LTCMOS? switched capacitor technology to perform a 12-bit unipolar, or 11-bit plus sign bipolar A/D conversion. The 8 channel input multiplexer can be configured for either single-ended or differential inputs (or combinations thereof). An on-chip sample and hold is included for all single-ended input channels. When the LTC1289 is idle it can be powered down in applications where low power consumption is desired.

The serial I/O is designed to be compatible with industry standard full duplex serial interfaces. It allows either MSB- or LSB- first data and automatically provides 2’s complement output coding in the bipolar mode. The output data word can be programmed for a length of 8, 12 or 16 bits. This allows easy interface to shift registers and a variety of processors.

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特点
  • Single Supply 3.3V or ±3.3V Operation
  • Software Programmable Features Unipolar/Bipolar Conversions 4 Differential/8 Single-Ended Inputs Variable Data Word Length Power
  • Built-In Sample-and-Hold
  • Direct 4-Wire Interface to Most MPU Serial Ports and all MPU Parallel Ports
  • 25kHz Maximum Throughput Rate
  • Available in 20-Lead PDIP and 20-Lead SW Packages
    • 应用
  • Minimum Guaranteed Supply Voltage: 2.7V
  • Resolution: 12 Bits
  • Fast Conversion Time: 26μs Max Over Temp
  • Low Supply Currents: 1.0mA
    • 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)
    LTC1289BCN N-20 C $28.75 $22.70
    LTC1289BCN#PBF N-20 C $28.75 $22.70
    LTC1289BCSW SW-20 C $34.50 $27.25
    LTC1289BCSW#PBF SW-20 C $34.50 $27.25
    LTC1289BCSW#TR SW-20 C $27.35
    LTC1289BCSW#TRPBF SW-20 C $27.35
    LTC1289CCN N-20 C $23.00 $18.15
    LTC1289CCN#PBF N-20 C $23.00 $18.15
    LTC1289CCSW SW-20 C $27.60 $21.80
    LTC1289CCSW#PBF SW-20 C $27.60 $21.80
    LTC1289CCSW#TR SW-20 C $21.90
    LTC1289CCSW#TRPBF SW-20 C $21.90
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  • LTC1863 - 12 位、8 通道 200ksps ADC
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  • LTC1294 - Single Chip 12-Bit Data Acquisition System
  • LTC1854 - 8-Channel, ±10V Input 12-Bit, 100ksps ADC Converter with Shutdown
  • LTM2883 - 具可调 ±12.5V 和 5V 稳定电源的 SPI / 数字或 I2C μModule 隔离器
  • LTC1857 - 具停机功能的 8 通道、12 位、 100ksps SoftSpan A/D 转换器
    • 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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