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ADS5240 Datasheet(Fiches technique) 1 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
Numéro de pièce ADS5240
Description  4-Channel, 12-Bit, 40MSPS ADC with Serial LVDS Interface
Télécharger  24 Pages
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Fabricant  BURR-BROWN [Burr-Brown (TI)]
Site Internet  http://www.burr-brown.com
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 1 page
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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
A DCLK
IN1
N
OUT 1
P
OUT 1
N
12− Bit
ADC
S/H
Serializer
IN2
P
IN2
N
OUT 2
P
OUT 2
N
12− Bit
ADC
S/H
Serializer
IN3
P
IN3
N
OUT 3
P
OUT 3
N
LCLK
P
LCLK
N
ADC LK
P
ADC LK
N
12− Bit
ADC
S/H
Serializer
IN4
P
IN4
N
OUT 4
P
OUT 4
N
Reference
INT/E XT
Registers
Control
ADS5240
SBAS326C – JUNE 2004 – REVISED DECEMBER 2004
4-Channel, 12-Bit, 40MSPS ADC
with Serial LVDS Interface
An integrated phase lock loop multiplies the incoming
ADC sampling clock by a factor of 12. This 12x clock
Maximum Sample Rate: 40MSPS
is used in the process of serializing the data output
12-Bit Resolution
from each channel. The 12x clock is also used to
generate a 1x and a 6x clock, both of which are
No Missing Codes
transmitted as LVDS clock outputs. The 6x clock is
Power Dissipation: 607mW
denoted by the differential pair LCLK
P and LCLKN,
CMOS Technology
while the 1x clock is denoted by ADCLK
P
and
Simultaneous Sample-and-Hold
ADCLK
N. The word output of each ADC channel can
be transmitted either as MSB or LSB first. The bit
70.5dBFS SNR at 10MHz IF
coinciding with the rising edge of the 1x clock output
Internal and External References
is the first bit of the word. Data is to be latched by the
3.3V Digital/Analog Supply
receiver on both the rising and falling edges of the 6x
clock.
Serialized LVDS Outputs
Integrated Frame and Bit Patterns
The ADS5240 provides internal references, or can
optionally be driven with external references. Best
MSB and LSB First Modes
performance can be achieved through the internal
Option to Double LVDS Clock Output Currents
reference mode.
Pin- and Format-Compatible Family
The device is available in an HTQFP-64 PowerPAD
HTQFP-64 PowerPAD™ Package
package and is specified over a -40
°C to +85°C
operating range.
Portable Ultrasound Systems
Tape Drives
Test Equipment
Optical Networking
The ADS5240 is a high-performance, 4-channel,
40MSPS 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
ADS5242(1)
12
65
4
(1) Available Q1 2005.
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 other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2004, 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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