ADC081500 Datasheet, PDF (1/47 Pages) National Semiconductor (TI) – High Performance, Low Power, 8-Bit, 1.5 GSPS A/D Converter

ADC081500
www.ti.com
SNAS319G – JUNE 2005 – REVISED APRIL 2013
ADC081500 High Performance, Low Power, 8-Bit, 1.5 GSPS A/D Converter
Check for Samples: ADC081500
FEATURES
1
•2 Internal Sample-and-Hold
• Single +1.9V ±0.1V Operation
• Choice of SDR or DDR Output Clocking
• Multiple ADC Synchronization Capability
• Ensured No Missing Codes
• Serial Interface for Extended Control
• Fine Adjustment of Input Full-Scale Range and
Offset
• Duty Cycle Corrected Sample Clock
APPLICATIONS
• Direct RF Down Conversion
• Digital Oscilloscopes
• Satellite Set-Top Boxes
• Communications Systems
• Test Instrumentation
KEY SPECIFICATIONS
• Resolution 8 Bits
• Max Conversion Rate 1.5 GSPS (min)
• Bit Error Rate 10^-18 (typ)
• ENOB @ 748 MHz Input 7.3 Bits (typ)
• DNL ±0.15 LSB (typ)
• Power Consumption
– Operating 1.2 W (typ)
– Power Down Mode 3.5 mW (typ)
DESCRIPTION
The ADC081500 is a low power, high performance
CMOS analog-to-digital converter that digitizes
signals to 8 bits resolution at sample rates up to 1.7
GSPS. Consuming a typical 1.2 W at 1.5 GSPS from
a single 1.9 Volt supply, this device is ensured to
have no missing codes over the full operating
temperature range. The unique folding and
interpolating architecture, the fully differential
comparator design, the innovative design of the
internal sample-and-hold amplifier and the self-
calibration scheme enable a very flat response of all
dynamic parameters beyond Nyquist, producing a
high 7.3 ENOB with a 748 MHz input signal and a 1.5
GHz sample rate while providing a 10^-18 B.E.R.
Output formatting is offset binary and the LVDS
digital outputs are compatible with IEEE 1596.3-1996,
with the exception of an adjustable output offset
voltage between 0.8V and 1.2V.
The converter output has a 1:2 demultiplexer that
feeds two LVDS buses and reduces the output data
rate on each bus to one-half the sample rate.
The converter typically consumes less than 3.5 mW
in the Power Down Mode and is available in a 128-
lead, thermally enhanced exposed pad HLQFP and
operates over the Industrial (-40°C ≤ T_A ≤ +85°C)
temperature range.
1
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.
All trademarks are the property of their respective owners.
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.
Copyright © 2005–2013, Texas Instruments Incorporated