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ADS5204 Datasheet(PDF) 1 Page - Texas Instruments

Part No. ADS5204
Description  DUAL 10 BIT 40MSPS LOW POWER ANALOG TO DIGITAL CONVERTER WITH PGA
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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ADS5204 Datasheet(HTML) 1 Page - Texas Instruments

 
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ADS5204
SBAS268A – JUNE 2002 – REVISED JULY 2002
Dual 10Bit 40MSPS LowPower
ANALOGTODIGITAL CONVERTER with PGA
PRODUCTION DATA information is current as of publication date. Products conform to
specifications per the terms of Texas Instruments standard warranty. Production processing
does not necessarily include testing of all parameters.
FEATURES
D 3.3V Single-Supply Operation
D Dual Simultaneous Sample-and-Hold Inputs
D Differential or Single-Ended Analog Inputs
D Programmable Gain Amplifier: 0dB to 18dB
D Separate Serial Control Interface
D Single or Dual Parallel Bus Output
D 60dB SNR at fIN = 10.5MHz
D 73dB SFDR at fIN = 10.5MHz
D Low Power: 275mW
D 300MHz Analog Input Bandwidth
D 3.3V TTL/CMOS-Compatible Digital I/O
D Internal or External Reference
D Adjustable Reference Input Range
D Power-Down (Standby) Mode
D TQFP-48 Package
APPLICATIONS
D Digital Communications (Baseband Sampling)
D Portable Instrumentation
D Video Processing
DESCRIPTION
The ADS5204 is a dual 10-bit, 40MSPS Analog-to-Digital
Converter (ADC). It simultaneously converts each analog
input signal into a 10-bit, binary coded digital word up to
a maximum sampling rate of 40MSPS per channel. All
digital inputs and outputs are 3.3VTTL/CMOS compat-
ible.
An innovative dual pipeline architecture implemented in
a CMOS process and the 3.3V supply results in very low
power dissipation. In order to provide maximum flexibil-
ity, both top and bottom voltage references can be set
from user-supplied voltages. Alternatively, if no external
references are available, the on-chip internal refer-
ences can be used. Both ADCs share a common refer-
ence to improve offset and gain matching. If external
reference voltage levels are available, the internal refer-
ences can be powered down independently from the
rest of the chip, resulting in even greater power savings.
The ADS5204 also features dual, onboard Programmable
Gain Amplifiers (PGAs) that allow a setting of 0dB to 18dB
to adjust the gain of each set of inputs in order to match
the amplitude of the incoming signal.
The ADS5204 is characterized for operation from –40
°C
to +85
°C and is available in a TQFP-48 package.
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.
www.ti.com
Copyright
 2002, Texas Instruments Incorporated


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