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ADS5242 Datasheet(Fiches technique) 1 Page - Texas Instruments

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Numéro de pièce ADS5242
Description  4-Channel, 12-Bit, 65MSPS Analog-to-Digital Converter with Serial LVDS Interface
Télécharger  29 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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BurrBrown Products
from Texas Instruments
FEATURES
APPLICATIONS
DESCRIPTION
12− Bit
ADC
PLL
S/H
Serializer
1x ADCLK
6x ADCLK
IN1
P
ADCLK
IN1
N
OUT1
P
OUT1
N
12− Bit
ADC
S/H
Serializer
IN2
P
IN2
N
OUT2
P
OUT2
N
12− Bit
ADC
S/H
Serializer
IN3
P
IN3
N
OUT3
P
OUT3
N
LCLK
P
LCLK
N
ADCLK
P
ADCLK
N
12x ADCLK
12− Bit
ADC
S/H
Serializer
IN4
P
IN4
N
OUT4
P
OUT4
N
Reference
INT/EXT
Registers
Control
ADS5242
SBAS330C – OCTOBER 2004 – REVISED OCTOBER 2005
4-Channel, 12-Bit, 65MSPS Analog-to-Digital Converter
with Serial LVDS Interface
An integrated phase lock loop (PLL) multiplies the
incoming ADC sampling clock by a factor of 12. This
Maximum Sample Rate: 65MSPS
high-frequency LVDS clock is used in the data
12-Bit Resolution
serialization and transmission process. The word
output of each internal ADC is serialized and
No Missing Codes
transmitted either MSB or LSB first. In addition to the
Total Power Dissipation
four data outputs, a bit clock and a word clock are
Internal Reference: 660mW
also transmitted. The bit clock is at 6x the speed of
External Reference: 594mW
the sampling clock, whereas the word clock is at the
CMOS Technology
same speed of the sampling clock.
Simultaneous Sample-and-Hold
The ADS5242 provides internal references, or can
70.8dBFS SNR at 10MHz IF
optionally be driven with external references. Best
performance can be achieved through the internal
3.3V Digital/Analog Supply
reference mode.
Serialized LVDS Outputs
The device is available in an HTQFP-64 PowerPAD
Integrated Frame and Bit Patterns
package and is specified over a –40
°C to +85°C
Option to Double LVDS Clock Output Currents
operating range.
Four Current Modes for LVDS
Pin- and Format-Compatible Family
HTQFP-64 PowerPAD™ Package
Portable Ultrasound Systems
Tape Drives
Test Equipment
Optical Networking
Communications
The ADS5242 is a high-performance, 65MSPS,
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.
RELATED PRODUCTS
RESOLUTION
SAMPLE RATE
MODEL
(BITS)
(MSPS)
CHANNELS
ADS5240
12
40
4
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2004–2005, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.




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