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ADS5270, ADS52701PFP, ADS5270B

Table of contents:
Info of ADS5270
Info of ADS52701PFP
Info of ADS5270B

ADS5270, ADS52701PFP, ADS5270B Selling Leads, Datasheet

MFG:BB Package Cooled:SOP D/C:04+05+

ADS5270, ADS52701PFP, ADS5270B Datasheet download

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Part Number: ADS5270

MFG: BB

Package Cooled: SOP

D/C: 04+05+

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ADS5270 General Description

The ADS5270 is a high-performance, 40MSPS, 8-channel,parallel 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 multiplies the incoming ADC sampling clock by a factor of 12. This 12x clock is used in the process of serializing the data output from each channel. The 12x clock is also used to generate a 1x and a 6x clock, both of which are transmitted as LVDS clock outputs. The 6x clock is denoted by the differential pair LCLKP and LCLKN, while the 1x clock is denoted by ADCLKP and ADCLKN. The word output of or LSB first. The bit coinciding with the rising edge of the 1x clock output is the first bit of the word. Data is to be latched by the receiver on both the rising and falling edges of the 6x clock.The ADS5270 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 a PowerPAD TQFP-80 package and is specified over a −40°C to +85°C operating range. each ADC channel can be transmitted either as MSB

ADS5270 Maximum Ratings

Supply Voltage Range, AVDD.........................−0.3V to 3.8V
Supply Voltage Range, LVDD.............................−0.3V to 3.8V
Voltage Between AVSS and LVSS......................−0.3V to 0.3V
Voltage Between AVDD and LVDD.....................−0.3V to 0.3V
Voltages Applied to External REF Pins...............−0.3V to 2.4V
All LVDS Data and Clock Outputs. . . . . . . . ..... .−0.3V to 2.4V
Analog Input Pins .............................................−0.3V to 2.7V
Peak Total Input Current (all inputs)............................−30mA
Operating Free-Air Temperature Range, T_A....−40°C to 85°C
Lead Temperature 1.6mm (1/16 from case for 10s)......220

ADS5270 Features

Maximum Sample Rate: 40MSPS
12-Bit Resolution
No Missing Codes
Power Dissipation: 907mW
CMOS Technology
Simultaneous Sample-and-Hold
70.5dB SNR at 10MHz IF
Internal and External References
3.3V Digital/Analog Supply
Serialized LVDS Outputs
Integrated Frame and Synch Patterns
MSB and LSB First Modes
Option to Double LVDS Clock Output Currents
Pin- and Format-Compatible Family
TQFP-80 PowerPAD^TMPackage

ADS5270 Typical Application

Portable Ultrasound Systems
Tape Drives
Test Equipment
Optical Networking

ADS5270 Connection Diagram

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