LTC1287 - LTC1287是3V Single Chip 12-Bit Data Acquisition System
LTC1287是Linear公司的一款通用型 SAR ADC产品，LTC1287是3V Single Chip 12-Bit Data Acquisition System，本站介绍了LTC1287的封装应用图解、特点和优点、功能等，并给出了与LTC1287相关的凌力尔特元器件型号供参考。
LTC1287 - 3V Single Chip 12-Bit Data Acquisition System
LTC1287 - 3V Single Chip 12-Bit Data Acquisition System - Linear Technology（凌力尔特）
功能描述
The H (Metal Can), J (Ceramic), and K (Metal Can) Packages From Linear Technology Are Now Obsolete
The LTC1287 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, A/D conversion. The differential input has an on-chip sample-and- hold on the (+) input.
The serial I/O is designed to communicate without external hardware to most MPU serial ports and all MPU parallel I/O ports allowing data to be transmitted and received over three wires. The low voltage operating capability and the low power consumption of this device make it ideally suited for battery applications. Given the ease of use, small package size and the minimum number of interconnects for I/O, the LTC1287 can be used for remote sensing applications.
特点
Single Supply 3.3V or ±;3.3V OperationBuilt-In Sample-and-HoldDirect 3-Wire Interface to Most MPU Serial Ports and All MPU Parallel Portsand ALL MPU Parallel Ports30kHz Maximum Throughput RateKEY SPECIFICATIONSMinimum Guaranteed Supply Voltage: 2.7VResolution: 12 BitsFast Conversion Time: 24µs Max Over Temp.Low Supply Current: 1.0mA应用
Battery-Powered InstrumentsData LoggerData Acquisition Modules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) |
| LTC1287BCN8 | N-8 | C | $27.00 | $21.30 |
| LTC1287BCN8#PBF | N-8 | C | $27.00 | $21.30 |
| LTC1287CCN8 | N-8 | C | $21.60 | $17.05 |
| LTC1287CCN8#PBF | N-8 | C | $21.60 | $17.05 |
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