ADS5474 - 14-bit, 400MSPS Analog-to-Digital Converter with Buffered Inputs

ADS5474是TI德州仪器公司的一款高速ADC(>10MSPS)产品，ADS5474是14-bit, 400MSPS Analog-to-Digital Converter with Buffered Inputs，本站介绍了ADS5474的封装应用图解、特点和优点、功能等，并给出了与ADS5474相关的TI元器件型号供参考。

ADS5474 - 14-bit, 400MSPS Analog-to-Digital Converter with Buffered Inputs - 高速ADC(>10MSPS) - 模数转换器 - 德州仪器

产品描述

The ADS5474 is a 14-bit, 400-MSPS analog-to-digital converter (ADC) that operates from both a 5-V supply and 3.3-V supply while providing LVDS-compatible digital outputs. This ADC is one of a family of 12-, 13-, and 14-bit ADCs that operate from 210 MSPS to 500 MSPS. The ADS5474 input buffer isolates the internal switching of the onboard track and hold (T&H) from disturbing the signal source while providing a high-impedance input. An internal reference generator is also provided to simplify the system design.

Designed with a 1.4-GHz input bandwidth for the conversion of wide-bandwidth signals that exceed 400 MHz of input frequency at 400 MSPS, the ADS5474 has outstanding low-noise performance and spurious-free dynamic range over a large input frequency range.

The ADS5474 is available in an TQFP-80 PowerPAD package. The device is built on Texas Instruments complementary bipolar process (BiCom3) and is specified over the full industrial temperature range (–40°C to +85°C).

产品特性

400-MSPS Sample Rate
14-Bit Resolution, 11.2-Bits ENOB
1.4-GHz Input Bandwidth
SFDR = 80 dBc at 230 MHz and 400 MSPS
SNR = 69.8 dBFS at 230 MHz and 400 MSPS
2.2-VPP Differential Input Voltage
LVDS-Compatible Outputs
Total Power Dissipation: 2.5 W
Power Down Mode: 50 mW
Offset Binary Output Format
Output Data Transitions on the Rising and Falling Edges of a Half-Rate Output Clock
On-Chip Analog Buffer, Track-and-Hold, and Reference Circuit
TQFP-80 PowerPAD Package (14 mm × 14 mm footprint)
Industrial Temperature Range: –40°C to +85°C
Pin-Similar/Compatible with 12-, 13-, and 14-Bit Family: ADS5463 and ADS5440/ADS5444

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