ADC12DL080_15 Datasheet, PDF (1/34 Pages) Texas Instruments – A/D Converter for IF Sampling

ADC12DL080
www.ti.com
SNAS345A – FEBRUARY 2006 – REVISED APRIL 2013
ADC12DL080 Dual 12-Bit, 80 MSPS, A/D Converter for IF Sampling
Check for Samples: ADC12DL080
FEATURES
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•2 Single +3.3V Supply Operation
• Internal Sample-and-Hold
• Internal or External Reference
• Outputs 2.4V to 3.6V Compatible
• Power Down Mode
• Duty Cycle Stabilizer
• Pin Compatible with ADC12DL040,
ADC12DL065, ADC12DL066
APPLICATIONS
• Instrumentation
• Communications Receivers
• Sonar/Radar
• xDSL, Cable Modems
KEY SPECIFICATIONS
• Resolution: 12 Bits
• Max Conversion Rate: 80 MSPS
• DNL: ±0.4 LSB (typ)
• SNR (f_IN=40MHz): 69 dB (typ)
• SNR (f_IN=200MHz): 67 dB(typ)
• SFDR (f_IN=40MHz): 82 dB (typ)
• SFDR (f_IN=200MHz): 81 dB (typ)
• Power Consumption
– Operating: 447 mW (typ)
– Power Down Mode: 50 mW (typ)
DESCRIPTION
The ADC12DL080 is a dual, low power monolithic
CMOS analog-to-digital converter capable of
converting analog input signals into 12-bit digital
words at 80 Megasamples per second (MSPS). This
converter uses a differential, pipeline architecture with
digital error correction and an on-chip sample-and-
hold circuit to minimize power consumption while
providing excellent dynamic performance and a 600
MHz Full Power Bandwidth. Operating on a single
+3.3V power supply, the ADC12DL080 achieves 11.0
effective bits at Nyquist and consumes just 447mW at
80 MSPS. The Power Down feature reduces power
consumption to 50 mW.
The differential inputs provide a full scale differential
input swing equal to 2 times V_REF with the possibility
of a single-ended input. Full use of the differential
input is recommended for optimum performance.
Duty cycle stabilization and output data format are
selectable. The output data can be set for offset
binary or two's complement.
To ease interfacing to lower voltage systems, the
digital output driver power pins of the ADC12DL080
can be connected to a separate supply voltage in the
range of 2.4V to the analog supply voltage. This
device is available in the 64-lead TQFP package and
will operate over the industrial temperature range of
−40°C to +85°C. An evaluation board is available to
ease the evaluation process.
1
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2
PRODUCTION DATA information is current as of publication date.
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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