THS0842 - 8 位 40 MSPS ADC，具有双通道（配置）、双路同步采样和保持输入、低功耗和关断状态

THS0842是TI德州仪器公司的一款高速ADC(>10MSPS)产品，THS0842是8 位 40 MSPS ADC，具有双通道（配置）、双路同步采样和保持输入、低功耗和关断状态，本站介绍了THS0842的封装应用图解、特点和优点、功能等，并给出了与THS0842相关的TI元器件型号供参考。

THS0842 - 8 位 40 MSPS ADC，具有双通道（配置）、双路同步采样和保持输入、低功耗和关断状态 - 高速ADC(>10MSPS) - 模数转换器 - 德州仪器

产品描述

The THS0842 is a dual 8-bit 40 MSPS high-speed A/D converter. It alternately converts each analog input signal into 8-bit binary-coded digital words up to a maximum sampling rate of 40 MSPS with an 80 MHz clock. All digital inputs and outputs are 3.3 V TTL/CMOS-compatible.

Thanks to an innovative single-pipeline architecture implemented in a CMOS process and the 3.3 V supply, the device consumes very little power. In order to provide maximum flexibility, both bottom and top voltage references can be set from user supplied voltages. Alternately, if no external references are available, on-chip references can be used which are also made available externally. The full-scale range is 1 Vpp, depending on the analog supply voltage. If external references are available, the internal references can be powered down independently from the rest of the chip, resulting in an even greater power saving.

The device is specifically suited for the baseband sampling of wireless local loop (WLL) communication, cable modems, set top boxes (STBs), and test instruments.

产品特性

Dual Simultaneous Sample and Hold Inputs
Differential or Single-Ended Analog Inputs
8-Bit Resolution 40 MSPS Sampling Analog-to-Digital Converter (ADC)
Single or Dual Parallel Bus Output
Low Power Consumption: 275 mW Typ Using External References
Wide Analog Input Bandwidth: 600 MHz Typ
3.3 V Single-Supply Operation
3.3 V TTL/CMOS-Compatible Digital I/O
Internal or External Bottom and Top Reference Voltages
Adjustable Reference Input Range
Power-Down (Standby) Mode
48-Pin Thin Quad Flat Pack (TQFP) Package
Applications
- Digital Communications (Baseband Sampling)
- Cable Modems
- Set Top Boxes
- Test Instruments

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