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LTC1290 - 典型应用图例：
LTC1290典型应用图例一
LTC1290 - 封装图解：
LTC1290封装图解一
LTC1290封装图解二
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LINEAR产品 - LTC1290介绍

LTC1290 - LTC1290是Single Chip 12-Bit Data Acquisition System

LTC1290是LINEAR凌力尔特公司的一款通用型 SAR ADC产品，LTC1290是LTC1290是Single Chip 12-Bit Data Acquisition System，本站介绍了LTC1290的封装应用图解、特点和优点、功能等，并给出了与LTC1290相关的LINEAR元器件型号供参考。

LTC1290 - LTC1290是Single Chip 12-Bit Data Acquisition System - 通用型 SAR ADC - 数据转换 - 凌力尔特

LTC1290 - Single Chip 12-Bit Data Acquisition System

LTC1290 - Single Chip 12-Bit Data Acquisition System - Linear Technology（凌力尔特）

功能描述
Most H (Metal Can), J (Ceramic), and K (Metal Can) Packages from Linear Technology Are Now Obsolete


The LTC1290 is a data acquisition component which contains a serial I/O successive approximation A/D converter. It uses LTCMOS™ switched capacitor technology to perform either 12-bit unipolar or 11-bit plus sign bipolar A/D conversions. 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 LTC1290 is idle it can be powered down with a serial word 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.

特点
  • Software Programmable Features-Unipolar/Bipolar Conversion-Four Differential/Eight Single Ended InputsMSB or LSB Fir
  • Built-In Sample-and-Hold
  • Single Supply 5V or ±5V Operation
  • Direct Four Wire Interface to Most MPU Serial Ports and All MPU Parallel Ports
  • 50kHz Maximum Throughput Rate
    • 应用
  • Resolution: 12 Bits
  • Fast Conversion Time: 13µs Max Over Temp
  • Low Supply Current: 6.0mA
    • 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)
    LTC1290BCN N-20 C $25.00 $19.75
    LTC1290BCN#PBF N-20 C $25.00 $19.75
    LTC1290BCSW SW-20 C $30.00 $23.70
    LTC1290BCSW#PBF SW-20 C $30.00 $23.70
    LTC1290BCSW#TR SW-20 C $23.80
    LTC1290BCSW#TRPBF SW-20 C $23.80
    LTC1290BIN N-20 I $34.75 $28.20
    LTC1290BIN#PBF N-20 I $34.75 $28.20
    LTC1290BISW SW-20 I $34.75 $28.20
    LTC1290BISW#PBF SW-20 I $34.75 $28.20
    LTC1290BISW#TR SW-20 I $28.30
    LTC1290BISW#TRPBF SW-20 I $28.30
    LTC1290CCN N-20 C $20.00 $15.80
    LTC1290CCN#PBF N-20 C $20.00 $15.80
    LTC1290CCSW SW-20 C $24.00 $18.95
    LTC1290CCSW#PBF SW-20 C $24.00 $18.95
    LTC1290CCSW#TR SW-20 C $19.05
    LTC1290CCSW#TRPBF SW-20 C $19.05
    LTC1290CIN N-20 I $28.25 $22.60
    LTC1290CIN#PBF N-20 I $28.25 $22.60
    LTC1290CISW SW-20 I $28.25 $22.60
    LTC1290CISW#PBF SW-20 I $28.25 $22.60
    LTC1290CISW#TR SW-20 I $22.70
    LTC1290CISW#TRPBF SW-20 I $22.70
    LTC1290DCN N-20 C $8.35 $6.60
    LTC1290DCN#PBF N-20 C $8.35 $6.60
    LTC1290DCSW SW-20 C $14.50 $11.15
    LTC1290DCSW#PBF SW-20 C $14.50 $11.15
    LTC1290DCSW#TR SW-20 C $11.25
    LTC1290DCSW#TRPBF SW-20 C $11.25
    LTC1290DIN N-20 I $23.25 $19.10
    LTC1290DIN#PBF N-20 I $23.25 $19.10
    LTC1290DISW SW-20 I $23.25 $19.10
    LTC1290DISW#PBF SW-20 I $23.25 $19.10
    LTC1290DISW#TR SW-20 I $19.20
    LTC1290DISW#TRPBF SW-20 I $19.20
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