adc12l066civyx National Semiconductor Corporation, adc12l066civyx Datasheet

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adc12l066civyx

Manufacturer Part Number
adc12l066civyx
Description
12-bit, 66 Msps, 450 Mhz Bandwidth A/d Converter With Internal Sample-and-hold
Manufacturer
National Semiconductor Corporation
Datasheet
© 2006 National Semiconductor Corporation
ADC12L066
12-Bit, 66 MSPS, 450 MHz Bandwidth A/D Converter with
Internal Sample-and-Hold
General Description
The ADC12L066 is a monolithic CMOS analog-to-digital con-
verter capable of converting analog input signals into 12-bit
digital words at 66 Megasamples per second (MSPS), mini-
mum, with typical operation possible up to 80 MSPS. This
converter uses a differential, pipeline architecture with digital
error correction and an on-chip sample-and-hold circuit to
minimize die size and power consumption while providing
excellent dynamic performance. A unique sample-and-hold
stage yields a full-power bandwidth of 450 MHz. Operating
on a single 3.3V power supply, this device consumes just
357 mW at 66 MSPS, including the reference current. The
Power Down feature reduces power consumption to just
50 mW.
The differential inputs provide a full scale input swing equal
to
of the differential input is recommended for optimum perfor-
mance. For ease of use, the buffered, high impedance,
single-ended reference input is converted on-chip to a differ-
ential reference for use by the processing circuitry. Output
data format is 12-bit offset binary.
This device is available in the 32-lead LQFP package and
will operate over the industrial temperature range of −40˚C to
+85˚C. An evaluation board is available to facilitate the
evaluation process.
Connection Diagram
TRI-STATE
±
V
REF
®
is a registered trademark of National Semiconductor Corporation.
with the possibility of a single-ended input. Full use
DS200328
Features
n Single supply operation
n Low power consumption
n Power down mode
n On-chip reference buffer
Key Specifications
n Resolution
n Conversion Rate
n Full Power Bandwidth
n DNL
n SNR (f
n SFDR (f
n Data Latency
n Supply Voltage
n Power Consumption, 66 MHz
Applications
n Ultrasound and Imaging
n Instrumentation
n Cellular Base Stations/Communications Receivers
n Sonar/Radar
n xDSL
n Wireless Local Loops
n Data Acquisition Systems
n DSP Front Ends
IN
IN
= 10 MHz)
= 10 MHz)
20032801
+3.3V
6 Clock Cycles
±
January 2006
357 mW (typ)
www.national.com
0.4 LSB (typ)
66 dB (typ)
80 dB (typ)
±
66 MSPS
450 MHz
300 mV
12 Bits

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adc12l066civyx Summary of contents

Page 1

... An evaluation board is available to facilitate the evaluation process. Connection Diagram TRI-STATE ® registered trademark of National Semiconductor Corporation. © 2006 National Semiconductor Corporation Features n Single supply operation n Low power consumption n Power down mode ...

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... Ordering Information Industrial (−40˚C ≤ T ADC12L066CIVY ADC12L066CIVYX ADC12L066EVAL Block Diagram www.national.com ≤ +85˚C) Package A 32 Pin LQFP 32 Pin LQFP Tape and Reel Evaluation Board 2 20032802 ...

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Pin Descriptions and Equivalent Circuits Pin No. Symbol ANALOG I − REF DIGITAL I/O 10 CLK Equivalent Circuit ...

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Pin Descriptions and Equivalent Circuits Pin No. Symbol 14–19, D0–D11 22–27 ANALOG POWER AGND DIGITAL POWER DGND GND www.national.com (Continued) Equivalent Circuit ...

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Absolute Maximum Ratings 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications – Voltage on Any Pin Input ...

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Converter Electrical Characteristics Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V +2.5V 0V +1.0V REF = all other limits ...

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Converter Electrical Characteristics Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V +2.5V 0V +1.0V REF = all other limits ...

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Converter Electrical Characteristics Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V +2.5V 0V +1.0V REF = all other limits ...

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AC Electrical Characteristics Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V +2.5V 0V +1.0V REF = all ...

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Specification Definitions APERTURE DELAY is the time after the rising edge of the clock to when the input signal is acquired or held for conver- sion. APERTURE JITTER (APERTURE UNCERTAINTY) is the variation in aperture delay from sample to sample. ...

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Timing Diagram Transfer Characteristic Output Timing FIGURE 1. Transfer Characteristic 11 20032809 20032810 www.national.com ...

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Typical Performance Characteristics V = 1.0V, unless otherwise stated. REF DNL DNL vs. Clock Duty Cycle INL www.national.com 3.3V 200328E6 DNL vs. Temperature 20032892 200328E7 12 = 2.5V MHz, ...

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Typical Performance Characteristics V = 1.0V, unless otherwise stated. (Continued) REF INL vs. Clock Duty Cycle SNR vs SNR vs 3.3V 2.5V 20032895 20032897 200328B1 13 ...

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Typical Performance Characteristics V = 1.0V, unless otherwise stated. (Continued) REF SNR vs. Clock Duty Cycle SNR vs. Temperature THD vs www.national.com 3.3V 2.5V 200328B3 200328B5 200328B7 14 ...

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Typical Performance Characteristics V = 1.0V, unless otherwise stated. (Continued) REF THD vs. f CLK THD vs. V REF SINAD vs 3.3V THD vs. Clock Duty Cycle 200328B9 200328C2 200328C4 ...

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Typical Performance Characteristics V = 1.0V, unless otherwise stated. (Continued) REF SINAD vs. V SINAD vs. Clock Duty Cycle SINAD vs. Temperature www.national.com 3.3V 200328C6 200328C8 200328D1 16 = 2.5V ...

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Typical Performance Characteristics V = 1.0V, unless otherwise stated. (Continued) REF SFDR vs SFDR vs. f CLK SFDR vs. V REF 3.3V 200328D3 SFDR vs. Clock Duty Cycle 200328D5 200328D7 ...

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Typical Performance Characteristics V = 1.0V, unless otherwise stated. (Continued) REF Power Consumption vs. f Spectral Response @ 10 MHz Input @ Spectral Response 50 MHz Input www.national.com 3.3V CLK 200328D9 Spectral ...

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Typical Performance Characteristics V = 1.0V, unless otherwise stated. (Continued) REF Spectral Response @ 100 MHz Input Spectral Response @ 240 MHz Input 3.3V 2.5V Spectral Response 200328J1 200328E5 19 ...

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Functional Description Operating on a single +3.3V supply, the ADC12L066 uses a pipeline architecture and has error correction circuitry to help ensure maximum performance. Differential analog input signals are digitized to 12 bits. Each analog input signal should have a ...

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Applications Information FIGURE 2. Expected Input Signal Range For angular deviations degrees from these two signals being 180 out of phase with each other, the full scale error in LSB can be described as approximately 1.79 ...

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Applications Information 2.1 CLK The CLK signal controls the timing of the sampling process. Drive the clock input with a stable, low jitter clock signal in the range of 1 MHz to 80 MHz with rise and fall times of ...

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Applications Information FIGURE 4. Simple Application Circuit with Single-Ended to Differential Buffer FIGURE 5. Differential Drive Circuit of Figure 4 (Continued) 23 20032813 20032814 www.national.com ...

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Applications Information FIGURE 6. Driving the Signal Inputs with a Transformer 4.0 POWER SUPPLY CONSIDERATIONS The power supply pins should be bypassed with a 10 µF capacitor and with a 0.1 µF ceramic chip capacitor within a centimeter of each ...

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Applications Information weight will have little effect upon the logic-generated noise. This is because of the skin effect. Total surface area is more important than is total ground plane volume. Generally, analog and digital lines should cross each other at ...

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Applications Information cause faulty or erratic operation not uncommon for high speed digital components (e.g., 74F and 74AC devices) to exhibit overshoot or undershoot that goes above the power supply or below ground. A resistor of about 50Ω ...

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Physical Dimensions inches (millimeters) unless otherwise noted National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and ...

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