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    首页产品索引TLV2553

    TLV2553

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    具有关断状态的 12 位 200KSPS 11 通道低功耗串行 ADC 串行输出

    制造商:TI

    中文数据手册

    产品信息

    描述 The TLV2553 is a 12-bit, switched-capacitor, successive-approximation, analog-to-digital converter. The ADC has three control inputs [chip select (CS), the input-output clock, and the address/control input (DATAIN)], designed for communication with the serial port of a host processor or peripheral through a serial 3-state output.In addition to the high-speed converter and versatile control capability, the device has an on-chip 14-channel multiplexer that can select any one of 11 inputs or any one of three internal self-test voltages using configuration register 1. The sample-and-hold function is automatic. At the end of conversion, when programmed as EOC, the pin 19 output goes high to indicate that conversion is complete. The converter incorporated in the device features differential, high- impedance reference inputs that facilitate ratiometric conversion, scaling, and isolation of analog circuitry from logic and supply noise. A switched-capacitor design allows low-error conversion over the full operating temperature range.The TLV2553I is characterized for operation from TA = –40°C to 85°C.特性12-Bit-Resolution A/D Converter Up to 200 KSPS (150 KSPS for 3 V) Throughput Over Operating Temperature Range With 12-Bit Output Mode 11 Analog Input Channels 3 Built-In Self-Test ModesInherent Sample and Hold FunctionLinearity Error, ±1 LSB Maximum On-Chip Conversion Clock Unipolar or Bipolar Output Operation Programmable MSB or LSB First Programmable Power Down Programmable Output Data Length SPI Compatible Serial Interface With I/O Clock Frequencies up to 15 MHz (CPOL=0, CPHA=0)

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