LTC2402 - LTC2402是1-/2-Channel 24-Bit μPowerNo Latency Delta-Sigma? ADC in MSOP-10
LTC2402是Linear公司的一款无延迟增量累加 ADC产品，LTC2402是1-/2-Channel 24-Bit μPowerNo Latency Delta-Sigma? ADC in MSOP-10，本站介绍了LTC2402的封装应用图解、特点和优点、功能等，并给出了与LTC2402相关的凌力尔特元器件型号供参考。
LTC2402 - 1-/2-Channel 24-Bit μPowerNo Latency Delta-Sigma? ADC in MSOP-10
LTC2402 - 1-/2-Channel 24-Bit μPowerNo Latency Delta-Sigma? ADC in MSOP-10 - Linear Technology（凌力尔特）
功能描述
The LTC2401/LTC2402 are 1- and 2-channel 2.7V to 5.5V micropower 24-bit analog-to-digital converters with an integrated oscillator, 4ppm INL and 0.6ppm RMS noise. These ultrasmall devices use delta-sigma technology and a new digital filter architecture that settles in a single cycle. This eliminates the latency found in conventional Delta Sigma converters and simplifies multiplexed applications. Through a single pin, the LTC2401/LTC2402 can be configured for better than 110dB rejection at 50Hz or 60Hz ±2%, or can be driven by an external oscillator for a user defined rejection frequency in the range 1Hz to 120Hz. The internal oscillator requires no external frequency setting components. These converters accept an external reference voltage from 0.1V to VCC. With an extended input conversion range of –12.5% VREF to 112.5% VREF (VREF = FSSET – ZSSET), the LTC2401/LTC2402 smoothly resolve the offset and overrange problems of preceding sensors or signal conditioning circuits. The LTC2401/LTC2402 communicate through a 2- or 3-wire digital interface that is compatible with SPI and MICROWIRETM protocols.
特点
24-Bit ADCs in Tiny MSOP-10 Packages 4ppm INL, No Missing Codes 4ppm Full-Scale Error 0.5ppm Offset 0.6ppm Noise Single Conversion Settling Time for Multiplexed Applications 1- or 2-Channel Inputs Automatic Channel Selection (Ping-Pong) (LTC2402) Zero Scale and Full Scale Set for Reference and Ground Sensing Internal Oscillator—No External Components Required 110dB Min, 50Hz/60Hz Notch Filter Reference Input Voltage: 0.1V to VCC Live Zero—Extended Input Range Accommodates12.5% Overrange and Underrange Single Supply 2.7V to 5.5V Operation Low Supply Current (200μA) and Auto Shutdown应用
Weight Scales Direct Temperature Measurement Gas Analyzers Strain-Gage Transducers Instrumentation Data Acquisition Industrial Process Control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) |
| LTC2402CMS | MS-10 | C | $6.50 | $5.60 |
| LTC2402CMS#PBF | MS-10 | C | $6.50 | $5.60 |
| LTC2402CMS#TR | MS-10 | C | | $5.66 |
| LTC2402CMS#TRPBF | MS-10 | C | | $5.66 |
| LTC2402IMS | MS-10 | I | $7.15 | $6.10 |
| LTC2402IMS#PBF | MS-10 | I | $7.15 | $6.10 |
| LTC2402IMS#TR | MS-10 | I | | $6.16 |
| LTC2402IMS#TRPBF | MS-10 | I | | $6.16 |
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