CLC952PCASM National Semiconductor, CLC952PCASM Datasheet

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CLC952PCASM

Manufacturer Part Number
CLC952PCASM
Description
IC CLC952 EVALUATION BOARD
Manufacturer
National Semiconductor
Datasheet

Specifications of CLC952PCASM

Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
*CLC952PCASM
© 1997 National Semiconductor Corporation
Printed in the U.S.A.
N
CLC952
12-bit, 41MSPS Monolithic A/D Converter
General Description
The CLC952 is a complete monolithic 12-bit 41MSPS analog-to-
digital converter system. Fabricated from a 0.8 m BiCMOS
process, the CLC952’s on-chip features include a very
linear wideband track-and-hold, bandgap voltage reference and a
proprietary 12-bit multi-stage quantizer. The CLC952 has been
designed for wideband digital communications receivers and
features a 72dBc spurious-free dynamic range (SFDR) and 64dB
signal-to-noise ratio (SNR).
The CLC952 operates from a standard ±5V power supply and
features excellent noise isolation with its >60dB power-supply
rejection ratio (PSRR). All digital control functions and output
registers are TTL compatible. The CLC952AC operates over the
commercial temperature range (0°C to 70°C), and the CLC952AJ
operates over the industrial temperature range (-40°C to 85°C)
version. The CLC952 is available in a 28-pin SSOP that provides
an extremely small footprint for reduced board space. National
Semiconductor thoroughly tests each part to verify full
compliance with guaranteed specifications.
Block Diagram
CLC952
V
in
Adjust
Input
Amp
Offset
Generator
ENCODE
Timing
2.4V Voltage
Reference
Amplifier
V
T/H
REF
12-bit Subranging
Features
Applications
Quantizer
41MSPS
Wide dynamic range
SFDR: 72dBc
SNR: 64dB
Low power dissipation: 660mW
Ground centered,
DC-coupled analog input
Excellent PSRR: >60dB
Very small package: 28-pin SSOP
Low cost
Cellular base-stations
Digital communications
Infrared/CCD imaging
IF sampling
Electro-optics
Instrumentation
Medical imaging
High definition video
TTL Output
Buffer
September 1997
http://www.national.com
D11 MSB
D0 LSB

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CLC952PCASM Summary of contents

Page 1

... National Semiconductor thoroughly tests each part to verify full compliance with guaranteed specifications. CLC952 Block Diagram V in © 1997 National Semiconductor Corporation Printed in the U.S.A. Features 41MSPS Wide dynamic range SFDR: 72dBc SNR: 64dB Low power dissipation: 660mW ...

Page 2

CLC952 Electrical Characteristics PARAMETERS DYNAMIC PERFORMANCE small-signal bandwidth large-signal bandwidth slew rate overvoltage recovery time effective aperture delay aperture jitter NOISE AND DISTORTION (40.96MSPS) signal-to-noise ratio (w/o harmonics) 2.0MHz 9.67MHz 19.5MHz spurious-free dynamic range 2.0MHz 9.67MHz 19.5MHz intermodulation distortion 19.49MHz ...

Page 3

... Functional operability under any of these conditions is not necessarily implied. Exposure to maximum ratings for extended periods may affect device reliability. Model Temperature Range CLC952ACMSA 0°C to +70°C CLC952AJMSA -40°C to +85°C CLC952PCASM N Analog Input N ENCODE Digital Outputs (D11– D0) Recommended Operating Conditions -0 ...

Page 4

CLC952 Typical Performance Characteristics Single Tone Output Spectrum 0 -20 -40 -60 -80 -100 Frequency (MHz) Single Tone Output Spectrum 0 -20 -40 -60 -80 -100 Frequency (MHz) SFDR & SNR vs. ...

Page 5

CLC952 Typical Performance Characteristics SFDR & SNR vs. Input Amplitude SFDR SNR 30 20 Sample Rate = 40.96MSPS A = 9.67MHz IN 10 -50 -40 -30 -20 Input Amplitude (dBFS) SFDR & SNR vs. Sample ...

Page 6

CLC952 Typical Performance Characteristics SFDR & SNR vs. Input Frequency SNR 55 45 30.72MSPS 1 0.1 Input Frequency (MHz INDEX MARK A A1 Notes: 1. All dimensions are in millimeters 2. Dimensions D and E1 ...

Page 7

AGND ENCODE CLC952 EE AGND AIN OFFSET V 10 REF AGND AGND (Pins ...

Page 8

... Customer Design Applications Support National Semiconductor is committed to design excellence. For sales, literature and technical support, call the National Semiconductor Customer Response Group at 1-800-272-9959 or fax 1-800-737-7018. Life Support Policy National’s products are not authorized for use as critical components in life support devices or systems without the express written approval of the president of National Semiconductor Corporation ...

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