ADC14L020 - 14 位、20 MSPS、150 mW A/D 转换器

ADC14L020是TI德州仪器公司的一款高速ADC(>10MSPS)产品，ADC14L020是14 位、20 MSPS、150 mW A/D 转换器，本站介绍了ADC14L020的封装应用图解、特点和优点、功能等，并给出了与ADC14L020相关的TI元器件型号供参考。

ADC14L020 - 14 位、20 MSPS、150 mW A/D 转换器 - 高速ADC(>10MSPS) - 模数转换器 - 德州仪器

产品描述

The ADC14L020 is a low power monolithic CMOS analog-to-digital converter capable of converting analog input signals into 14-bit digital words at 20 Megasamples per second (MSPS). This converter uses a differential, pipeline architecture with digital error correction and an on-chip sample-and-hold circuit to minimize power consumption while providing excellent dynamic performance and a 150 MHz Full Power Bandwidth. Operating on a single +3.3V power supply, the ADC14L020 achieves 12.0 effective bits at nyquist and consumes just 150 mW at 20 MSPS . The Power Down feature reduces power consumption to 15 mW.

The differential inputs provide a full scale differential input swing equal to 2 times VREF with the possibility of a single-ended input. Full use of the differential input is recommended for optimum performance. Duty cycle stabilization and output data format are selectable using a quad state function pin. The output data can be set for offset binary or two's complement.

To ease interfacing to lower voltage systems, the digital output driver power pins of the ADC14L020 can be connected to a separate supply voltage in the range of 2.4V to the analog supply voltage.

This device is available in the 32-lead LQFP package and will operate over the industrial temperature range of −40°C to +85°C. An evaluation board is available to ease the evaluation process.

产品特性

Single +3.3V Supply Operation
Internal Sample-and-Hold
Internal Reference
Outputs 2.4V to 3.6V Compatible
Duty Cycle Stabilizer
Power Down Mode

Key Specifications

Resolution 14 Bits
DNL ±0.5 LSB (typ)
SNR (fIN = 10 MHz) 74 dB (typ)
SFDR (fIN = 10 MHz) 93 dB (typ)
Data Latency 7 Clock Cycles
Power Consumption
- Operating 150 mW (typ)
- Power Down Mode 15 mW (typ)

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