LTC1289 3 Volt Single Chip 12-Bit Data Acquisition System

The LTC®1289 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

产品特点 Features 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 封装	应用 Minimum Guaranteed Supply Voltage: 2.7V Resolution: 12 Bits Fast Conversion Time: 26µs Max Over Temp Low Supply Currents: 1.0mA 典型应用图

产品特点 Features

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

封装

应用

Minimum Guaranteed Supply Voltage: 2.7V
Resolution: 12 Bits
Fast Conversion Time: 26µs Max Over Temp
Low Supply Currents: 1.0mA

典型应用图

LTC1289 订购信息和价格参考Package Variations and Pricing

器件型号	封装	引脚	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量) *
LTC1289BCN	PDIP	20	C	$28.75	$22.70
LTC1289BCN#PBF	PDIP	20	C	$28.75	$22.70
LTC1289BCSW	SO	20	C	$34.50	$27.25
LTC1289BCSW#PBF	SO	20	C	$34.50	$27.25
LTC1289BCSW#TR	SO	20	C		$27.35
LTC1289BCSW#TRPBF	SO	20	C		$27.35
LTC1289CCN	PDIP	20	C	$23.00	$18.15
LTC1289CCN#PBF	PDIP	20	C	$23.00	$18.15
LTC1289CCSW	SO	20	C	$27.60	$21.80
LTC1289CCSW#PBF	SO	20	C	$27.60	$21.80
LTC1289CCSW#TR	SO	20	C		$21.90
LTC1289CCSW#TRPBF	SO	20	C		$21.90

LTC1289 数据手册及相关资料下载

数据手册(英文) : LTC1289 - 3 Volt Single Chip 12-Bit Data Acquisition System.PDF
可靠性数据 : R107 Reliability Data .PDF