A/D Converter. ADC08D1520QML-SP Datasheet

ADC08D1520QML-SP Converter. Datasheet pdf. Equivalent

Part ADC08D1520QML-SP
Description 8-Bit A/D Converter
Feature ADC08D1520QML-SP www.ti.com SNAS420O – JANUARY 2008 – REVISED MARCH 2013 ADC08D1520QML Low Power,.
Manufacture etcTI
Datasheet
Download ADC08D1520QML-SP Datasheet




ADC08D1520QML-SP
ADC08D1520QML-SP
www.ti.com
SNAS420O – JANUARY 2008 – REVISED MARCH 2013
ADC08D1520QML Low Power, 8-Bit, Dual 1.5 GSPS or Single 3.0 GSPS A/D Converter
FEATURES
1
2 Total Ionizing Dose 300 krad(Si)
• Single Event Latch-up 120 MeV-cm2/mg
• Single +1.9V ±0.1V Operation
• Interleave Mode for 2x Sample Rate
• Multiple ADC Synchronization Capability
• Adjustment of Input Full-Scale Range, Offset
and Clock Phase Adjustment
• Choice of SDR or DDR output clocking
• 1:1 or 1:2 Selectable Output Demux
• Second DCLK output
• Duty Cycle Corrected Sample Clock
• Test pattern
• Serial Interface for Extended Control
KEY SPECIFICATIONS
• Resolution 8 Bits
• Max Conversion Rate 1.5 GSPS (min)
• Code Error Rate 10-18 (typ)
• ENOB at 748 MHz Input 7.2 Bits (typ)
• DNL ±0.15 LSB (typ)
• Power Consumption
– Operating in 1:2 Demux Output 2.0 W (typ)
– Power Down Mode 2.9 mW (typ)
APPLICATIONS
• Direct RF Down Conversion
• Digital Oscilloscopes
• Communications Systems
• Test Instrumentation
DESCRIPTION
The ADC08D1520 is an 8–Bit, dual channel, low
power, high performance CMOS analog-to-digital
converter that builds upon the ADC08D1000 platform.
The ADC08D1520 digitizes signals to 8 bits of
resolution at sample rates up to 1.7 GSPS. It has
expanded features compared to the ADC08D1000,
which include a test pattern output for system debug,
clock phase adjust, and selectable output
demultiplexer modes. Consuming a typical 2.0W in
Demultiplex Mode 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 7.2 Effective Number of Bits (ENOB) with a 748
MHz input signal and a 1.5 GHz sample rate while
providing a 10-18 Code Error Rate (C.E.R.) Output
formatting is offset binary and the Low Voltage
Differential Signaling (LVDS) digital outputs are
compatible with IEEE 1596.3-1996, with the
exception of an adjustable common mode voltage
between 0.8V and 1.2V.
Each converter has a selectable output demultiplexer
which feeds two LVDS buses. If the 1:2
Demultiplexed Mode is selected, the output data rate
is reduced to half the input sample rate on each bus.
When Non-Demultiplexed Mode is selected, the
output data rate on channels DI and DQ are at the
same rate as the input sample clock. The two
converters can be interleaved and used as a single 3
GSPS ADC.
The converter typically consumes less than 2.9 mW
in the Power Down Mode and is available in a 128-
pin, thermally enhanced, multi-layer ceramic quad
package and operates over the Military (-55°C TA
+125°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 © 2008–2013, Texas Instruments Incorporated



ADC08D1520QML-SP
ADC08D1520QML-SP
SNAS420O – JANUARY 2008 – REVISED MARCH 2013
Block Diagram
VINI+
VINI-
+
S/H
-
INPUT
MUX
VINQ+
VINQ-
+
S/H
-
VBG
CLK+
CLK-
Control
Inputs
Serial
Interface
VREF
3
8-BIT
ADC1
8-BIT
ADC2
CLK/2
2
Control
Logic
www.ti.com
8
Selectable
DI
DEMUX
LATCH
DId
Data Bus Output
16 LVDS Pairs
8
DQ
Selectable
DEMUX
LATCH
DQd
Data Bus Output
16 LVDS Pairs
DEMUX
Output
Clock
Generator
DCLK+
DCLK-
OR/DCLK2
CalRun
2
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