ADC08D1500 Converter Datasheet

ADC08D1500 Datasheet, PDF, Equivalent


Part Number

ADC08D1500

Description

A/D Converter

Manufacture

National Semiconductor

Total Page 30 Pages
Datasheet
Download ADC08D1500 Datasheet


ADC08D1500
www.DataSheet4U.com
PRELIMINARY
June 2005
ADC08D1500
High Performance, Low Power, Dual 8-Bit, 1.5 GSPS A/D
Converter
General Description
Note: This product is currently in development. - ALL
specifications are design targets and are subject to
change.
The ADC08D1500 is a dual, low power, high performance
CMOS analog-to-digital converter that digitizes signals to 8
bits resolution at sampling rates up to 1.7 GSPS. Consuming
a typical 1.9 Watts at 1.5 GSPS from a single 1.9 Volt supply,
this device is guaranteed 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 7.25 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 out-
puts are compliant with IEEE 1596.3-1996, with the excep-
tion of an adjustable common mode voltage between 0.8V
and 1.2V.
Each converter has a 1:2 demultiplexer that feeds two LVDS
buses and reduces the output data rate on each bus to half
the sampling rate. The two converters can be interleaved
and used as a single 3 GSPS ADC.
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 LQFP and operates over the Indus-
trial (-40˚C TA +85˚C) temperature range.
Features
n Internal Sample-and-Hold
n Single +1.9V ±0.1V Operation
n Choice of SDR or DDR output clocking
n Interleave Mode for 2x Sampling Rate
n Multiple ADC Synchronization Capability
n Guaranteed No Missing Codes
n Serial Interface for Extended Control
n Fine Adjustment of Input Full-Scale Range and Offset
n Duty Cycle Corrected Sample Clock
Key Specifications
n Resolution
n Max Conversion Rate
n Bit Error Rate
n ENOB @ 748 MHz Input
n DNL
n Power Consumption
— Operating
— Power Down Mode
8 Bits
1.5 GSPS (min)
10-18 (typ)
7.25 Bits (typ)
±0.15 LSB (typ)
1.9 W (typ)
3.5 mW (typ)
Applications
n Direct RF Down Conversion
n Digital Oscilloscopes
n Satellite Set-top boxes
n Communications Systems
n Test Instrumentation
Block Diagram
© 2005 National Semiconductor Corporation DS201521
20152153
www.national.com

ADC08D1500
Ordering Information
Industrial Temperature Range (-40˚C <
TA < +85˚C)
ADC08D1500CIYB
ADC08D1500EVAL
Pin Configuration
NS Package
128-Pin Exposed Pad LQFP
Evaluation Board
* Exposed pad on back of package must be soldered to ground plane to ensure rated performance.
20152101
www.national.com
2


Features www.DataSheet4U.com ADC08D1500 High Per formance, Low Power, Dual 8-Bit, 1.5 GS PS A/D Converter PRELIMINARY June 2005 ADC08D1500 High Performance, Low Powe r, Dual 8-Bit, 1.5 GSPS A/D Converter G eneral Description Note: This product i s currently in development. - ALL speci fications are design targets and are su bject to change. The ADC08D1500 is a du al, low power, high performance CMOS an alog-to-digital converter that digitize s signals to 8 bits resolution at sampl ing rates up to 1.7 GSPS. Consuming a t ypical 1.9 Watts at 1.5 GSPS from a sin gle 1.9 Volt supply, this device is gua ranteed to have no missing codes over t he full operating temperature range. Th e unique folding and interpolating arch itecture, the fully differential compar ator design, the innovative design of t he internal sample-andhold amplifier an d the self-calibration scheme enable a very flat response of all dynamic param eters beyond Nyquist, producing a high 7.25 ENOB with a 748 MHz input signal and a 1.5 GHz sample rate.
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