ADS5240 - 具有串行 LVDS 接口的 4 通道 12 位 40MSPS ADC

ADS5240是TI德州仪器公司的一款高速ADC(>10MSPS)产品，ADS5240是具有串行 LVDS 接口的 4 通道 12 位 40MSPS ADC，本站介绍了ADS5240的封装应用图解、特点和优点、功能等，并给出了与ADS5240相关的TI元器件型号供参考。

ADS5240 - 具有串行 LVDS 接口的 4 通道 12 位 40MSPS 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: 40MSPS
12-Bit Resolution
No Missing Codes
Total Power Dissipation:Internal Reference: 584mWExternal Reference: 518mW
CMOS Technology
Simultaneous Sample-and-Hold
70.5dBFS 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
HTQFP-64 PowerPAD Package
APPLICATIONS
- Portable Ultrasound Systems
- Tape Drives
- Test Equipment
- Optical Networking
- Communications

PowerPAD Is a trademark of Texas InstrumentsAll other trademarks are the property of their respective owners

DESCRIPTION

The ADS5240 is a high-performance, 40MSPS, 4-channel analog-to-digital converter (ADC). Internal references are 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 theincoming 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 four 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 ADS5240 provides internal references, or can optionally be driven with external references. Best performance can be achieved through the internal reference mode.

The device is available in an HTQFP-64 PowerPAD package and is specified over a -40°C to +85°C operating range.

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