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TLV2553-Q1

汽车类 12 位 200KSPS 11 通道低功耗串行 ADC

The is a 12-bit switched-capacitor successive-approximation analog-to-digital converter ADC. 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 TLV2553-Q1 is characterized for operation from TA = –40°C to 85°C.

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Qualified for Automotive Applications
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12-Bit-Resolution Analog-to-Digital Converter

ADC

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Up to 200-KSPS 150-KSPS for 3 V Throughput

Over Operating Temperature Range With 12-Bit

Output Mode

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11 Analog Input Channels
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Three Built-In Self-Test Modes
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Inherent Sample and Hold Function
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Linearity Error of +1 LSB Max
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On-Chip Conversion Clock
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Unipolar or Bipolar Output Operation
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Programmable Most Significant Bit MSB or Least

Significant Bit LSB First

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Programmable Power Down
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Programmable Output Data Length
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SPI Compatible Serial Interface With I/O Clock

Frequencies up to 15 MHz CPOL = 0, CPHA = 0

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