ADS5271 - 具有串行化 LVDS 接口的 8 通道、12 位、40/50MSPS 的 ADC

ADS5271是TI德州仪器公司的一款高速ADC(>10MSPS)产品，ADS5271是具有串行化 LVDS 接口的 8 通道、12 位、40/50MSPS 的 ADC，本站介绍了ADS5271的封装应用图解、特点和优点、功能等，并给出了与ADS5271相关的TI元器件型号供参考。

ADS5271 - 具有串行化 LVDS 接口的 8 通道、12 位、40/50MSPS 的 ADC - 高速ADC(>10MSPS) - 模数转换器 - 德州仪器

产品描述

产品特性

Maximum Sample Rate: 50MSPS
12-Bit Resolution
No Missing Codes
Total Power Dissipation:Internal Reference: 927mWExternal Reference: 861mW
CMOS Technology
Simultaneous Sample-and-Hold
70.5dB SNR at 10MHz IF
3.3V Digital/Analog Supply
Serialized LVDS Outputs
Integrated Frame and Bit Patterns
Option to Double LVDS Clock Output Currents
Four Current Modes for LVDS
Pin- and Format-Compatible Family
TQFP-80 PowerPAD Package
APPLICATIONS
- Portable Ultrasound Systems
- Tape Drives
- Test Equipment
- Optical Networking

PowerPAD Is a trademark of Texas Instruments.All other trademarks are the property of their respective owners

DESCRIPTION

The ADS5271 is a high-performance, 50MSPS, 8-channel analog-to-digital converter (ADC). Internal referencesare provided, simplifying system design requirements. Low power consumption allows for the highest of system integration densities. Serial LVDS (low-voltage differential signaling) outputs reduce the number of interface lines and package size.

An integrated phase lock loop (PLL) multiplies the incoming ADC sampling clock by a factor of 12. This high-frequency LVDS clock is used in the data serialization and transmission process. The word output of each internal ADC is serialized and transmitted either MSB or LSB first. In addition to the eight data outputs, a bit clock and a word clock are also transmitted. The bit clock is at 6x the speed of the sampling clock, whereas the word clock is at the same speed of the sampling clock.

The ADS5271 provides internal references, or can optionally be driven with external references. Best performance is achieved through the internal reference mode.

The device is available in a TQFP-80 PowerPAD package and is specified over a -40°C to +85°C operating range.

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