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ADS5277, ADS5277EVM, ADS5277IPFPG4

Table of contents:
Info of ADS5277
Info of ADS5277EVM
Info of ADS5277IPFPG4

ADS5277, ADS5277EVM, ADS5277IPFPG4 Selling Leads, Datasheet

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

ADS5277, ADS5277EVM, ADS5277IPFPG4 Picture

ADS5277, ADS5277EVM, ADS5277IPFPG4 Datasheet download

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Part Number: ADS5277

MFG: BB

Package Cooled: SOP

D/C: 04+05+

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ADS5277 General Description

The ADS527x are high-performance, 40MSPS, 50MSPS, and 65MSPS, 8-channel, parallel analog-to-digital converters (ADCs). 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.

In LVDS, an integrated phase lock loop multiplies the incoming ADC sampling clock by a factor of 6. This high-frequency
LVDS clock is used in the data serialization and transmission process and is converted to an LVDS signal for transmission in parallel with the data. Providing this additional LVDS clock allows for easy delay matching. The word output of each internal ADC is serialized and transmitted either MSB or LSB first. The bit following the rising edge of the ADC clock output is the first bit of the word.

The ADS527x provide internal references, or can optionally be driven with external references. Best performance can be achieved through the internal reference mode.

The ADS527x are available in a PowerPAD TQFP-80 package and are specified over a −40°C to +85°C operating range.

ADS5277 Maximum Ratings

Supply Voltage Range, AV_DD . . . . . . . . . . . . . . . . . . −0.3V to 3.8V
Supply Voltage Range, LV_DD . . . . . . . . . . . . . . . . . . −0.3V to 3.8V
Voltage Between AVSS and LV_SS . . . . . . . . . . . . . . −0.3V to 0.3V
Voltage Between AVDD and LV_DD . . . . . . . . . . . . . .−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
ADCLK Peak Input Current . . . . . . . . . . . . . . . . . . . . . . . . . . TBD
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) . . . 235°C
(1) Stresses above these ratings may cause permanent damage.Exposure to absolute maximum conditions for extended periods may degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those specified is not supported.

ADS5277 Features

· Maximum Sample Rate: 40MSPS (ADS5275),50MSPS (ADS5276), and 65MSPS (ADS5277)
· 10-Bit Resolution
· No Missing Codes
· Power Dissipation: 768mW (ADS5275),816mW (ADS5276), and 872mW (ADS5277)
· CMOS Technology
· Simultaneous Sample-and-Hold
· 60.5dB SNR at 10MHz IF
· Serialized LVDS Outputs Meet or Exceed Requirements of ANSI TIA/EIA-644-A Standard
· Internal and External References
· 3.3V Digital/Analog Supply
· TQFP-80 PowerPAD^TM Package

ADS5277 Typical Application

· Portable Ultrasound Systems
· Tape Drives
· Test Equipment

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