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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