TLC542 - 8 位 25kSPS ADC 串行输出，片上 12 通道模拟 Mux，11 通道

TLC542是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，TLC542是8 位 25kSPS ADC 串行输出，片上 12 通道模拟 Mux，11 通道，本站介绍了TLC542的封装应用图解、特点和优点、功能等，并给出了与TLC542相关的TI元器件型号供参考。

TLC542 - 8 位 25kSPS ADC 串行输出，片上 12 通道模拟 Mux，11 通道 - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

The TLC542 is a CMOS converter built around an 8-bit switched-capacitor successive-approximation analog-to-digital converter. The device is designed for serial interface to a microprocessor or peripheral via a 3-state output with three inputs [including I/O CLOCK, CS\ (chip select), and ADDRESS INPUT]. The TLC542 allows high-speed data transfers and sample rates of up to 40,000 samples per second. In addition to the high-speed converter and versatile control logic, an on-chip 12-channel analog multiplexer can sample any one of 11 inputs or an internal self-test voltage, and the sample and hold is started under microprocessor control. At the end of conversion, the end-of-conversion (EOC) output pin goes high to indicate that conversion is complete.

The converter incorporated in the TLC542 features differential high-impedance reference inputs that facilitate ratiometric conversion, scaling, and isolation of analog circuitry from logic and supply noises. A switched-capacitor design allows low-error (±0.5 LSB) conversion in 20 us over the full operating temperature range.

The TLC542C is characterized for operation from 0°C to 70°C and the TLC542I is characterized for operation from \x9640°C to 85°C.

产品特性

8-Bit Resolution A/D Converter
Microprocessor Peripheral or Stand-Alone Operation
On-Chip 12-Channel Analog Multiplexer
Built-In Self-Test Mode
Software-Controllable Sample and Hold
Total Unadjusted Error ... ±0.5 LSB Max
Direct Replacement for Motorola MC145041
Onboard System Clock
End-of-Conversion (EOC) Output
Pinout and Control Signals Compatible With the TLC1542/3 10-Bit A/D Converters
CMOS Technology

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TLC542 - 8 位 25kSPS ADC 串行输出，片上 12 通道 模拟 Mux，11 通道

TLC542 - 8 位 25kSPS ADC 串行输出，片上 12 通道模拟 Mux，11 通道