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MCP3903-I/SS

模拟前端设备芯片, 4.5 V至5.5 V, SSOP-28

MICROCHIP MCP3903-I/SS

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制造商产品编号:
MCP3903-I/SS
库存编号
2361113
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产品概述

The MCP3903-I/SS is a 6-channel Analog Front End (AFE) containing three pairs made out of two synchronous sampling delta-sigma analog-to-digital converters (ADC) with PGA, a phase delay compensation block, internal voltage reference and high-speed 10MHz SPI compatible serial interface. The converters contain a proprietary dithering algorithm for reduced idle tones and improved THD. The internal register map contains 24-bit wide ADC data words, a modulator output register as well as six 24-bit writable control registers to program gain, over-sampling ratio, phase, resolution, dithering, shut-down, reset and several communication features. The MCP3903 is capable of interfacing to a large variety of voltage and current sensors including shunts, current transformers, Rogowski coils and hall-effect sensors.
  • 91dB SINAD, -100dBc Total harmonic distortion (THD) (up to 35th harmonic)
  • 109dB Spurious-free dynamic range (SFDR) for each channel
  • Programmable data rate up to 64ksps
  • Ultra low-power shutdown mode with <2µA
  • -115dB Crosstalk between the two channels
  • 5ppm/°C Low drift internal voltage reference
  • Differential voltage reference input pins
  • High gain PGA on each channel (up to 32V/V)
  • Phase delay compensation between the two channels with 1µs time resolution
  • Separate modulator outputs for each channel
  • High-speed, addressable 20MHz SPI Interface with Mode 0,0 and 1,1 compatibility

应用

计量, 车用, 测试与测量, 医用, 传感与仪器, 便携式器材, 电源管理

产品信息

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:
模拟前端设备芯片

:
4.5V

:
5.5V

:
SSOP

:
28引脚

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 -无限制
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