10-Bit, MSPS Converter PRELIMINARY DATASHEET 8/16/96 AD9070

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10-Bit, MSPS Converter PRELIMINARY DATASHEET 8/16/96 AD9070

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10-Bit, 100Msps Power: Typical Analog Bandwidth On-Chip -2.5V Reference 1Vp-p Analog Input Range Single Supply Operation
10-Bit, MSPS Converter
PRELIMINARY DATASHEET 8/16/96 AD9070
VREF VREF AD9070 AIN/ -2.5V
DECODE LOGIC
APPLICATIONS
Digital Communications (QAM Demodulators) Radar Signal Intelligence Digital Oscilloscopes Spectrum Analyzers Medical Imaging
ENCODE ENCODE/ TIMING
PRODUCT DESCRIPTION AD9070 monolithic sampling analog-todigital converter (ADC) with on-chip track-andhold digital interfaces. unit designed high performance applications achieves Msps conversion rates with 10-bit resolution. encode clock digital outputs compatible. requires only single supply differential encode clock full speed operation. internal -2.5V voltage reference included on-chip industrial temperature range SOIC device external voltage reference required military device). AD9070 operated positive-ECL format with single supply supply required; product notes). AD9070's two-step architecture optimized provide excellent 100Msps dynamic performance while maintaining power consumption. Fabricated advanced bipolar process, AD9070 available industrial temperature range (-40°C +85°C) plastic SOIC package military temperature range (-55°C +125°C) ceramic dual inline package DIP).
VREF VREF COMP BYPASS AIN/
(MSB)
AD9070
VIEW (Not Scale)
(LSB)
ENCODE ENCODE/
AD9070BR (SOIC) Assignments
Information furnished Analog Devices believed accurate reliable. However, responsibility assumed Analog Devices use, infringements patents other rights third parties which result from use. license granted implication otherwise under patent patent rights Analog Devices.
Analog Devices, Inc., 1996
Technology Way, 9106, Norwood, 02062-9106, Tel: 617/329-4700 Fax: 617-326-8703
AD9070 Specifications: Electrical Characteristics
(-VS -5V, external reference; ENCODE Msps unless otherwise noted)
AD9070BR
Parameter RESOLUTION ACCURACY Differential Nonlinearity Integral Nonlinearity Missing Codes Gain Error Gain Tempco ANALOG INPUT Input Voltage Range (centered -2.5V) Input Offset Voltage Input Resistance Input Capacitance Input Bias Current Analog Bandwidth BANDGAP REFERENCE Output Voltage Temperature Coefficient SWITCHING PERFORMANCE Maximum Conversion Rate Minimum Conversion Rate Aperture Delay (tA) Aperture Uncertainty (Jitter) Output Valid Time Output Propagation Delay DYNAMIC PERFORMANCE Transient Response Overvoltage Recovery Time Signal-to-Noise Ratio (SINAD) (With Harmonics) 10.3 Effective Number Bits 10.3 Signal-to-Noise Ratio (SNR) (Without Harmonics) 10.3 Harmonic Distortion 10.3 Harmonic Distortion 10.3 Two-Tone Intermodulation Distortion (IMD) Differential Phase Differential Gain
Temp
Test Level
Typical Guaranteed 1.024
Units bits ppm/°C ppm/°C Msps Msps
+25°C Full +25°C Full Full +25°C Full Full +25°C +25°C Full +25°C +25°C +25°C Full +25°C Full Full Full Full +25°C +25°C Full Full +25°C +25°C
1.25
-2.4 -2.5 -2.6
+25°C +25°C +25°C +25°C
bits bits
+25°C +25°C +25°C +25°C +25°C +25°C +25°C +25°C +25°C
55.5
Degrees
AD9070 Preliminary Technical Information
Timing Characteristics
(-VS -5V, external reference; ENCODE Msps unless otherwise noted)
AD9070BR
Parameter DIGITAL INPUTS Logic Voltage Logic Voltage Logic Current Logic Current Input Capacitance Encode Pulse Width High Encode Pulse Width DIGITAL OUTPUTS Logic Voltage Logic Voltage Output Coding POWER SUPPLY Supply Current -5V) Power Dissipation Power Supply Rejection Ratio (PSRR)
Temp Test Level Full Full Full Full +25°C +25°C +25°C Full Full -1.1
Typical
Units
-1.5 -1.1 -1.5 Two's Complement
Full Full +25°C
mV/V
Notes: Gain error gain temperature coefficient based only (with fixed -2.5V external reference). measured from -1.3V level ENCODE VOH(min) VOL(max) levels digital outputs. digital output load during test exceed load 10pF. harmonics based analog input voltage -0.5dBFS referenced 1.0V full-scale input range. Power dissipation based 100Msps encode 10.3MHz analog input dynamic test conditions. Typical thermal impedance style (SOIC) 28-pin package: Typical thermal impedance style (CERDIP) 28-pin package:
EXPLANATION TEST LEVELS Test Level Description 100% Production Tested 100% Production Tested +25°C Sample Tested Specified Temperatures Sample Tested Only Parameter Guaranteed Design Characterization Testing Parameter Typical Value Only 100% Production Tested +25°C; Guaranteed Design Characterization Testing Industrial Temperature Range; 100% Production Tested Temperature Extremes Military Devices.
ABSOLUTE MAXIMUM RATINGS Power Supply, Analog Inputs Digital Inputs VREF Input Digital Output Current Operating Temperature -55°C +125°C Storage Temperature -65°C +150°C Maximum Junction Temperature +175°C Maximum Case Temperature +150°C
AD9070 Preliminary Technical Information
ORDERING GUIDE Model Temperature Range AD9070BR -40°C +85°C AD9070TD -55°C +125°C AD9070/PCB +25°C
Package Option R-28 D-28 Evaluation Board
ENCODE
DIGITAL OUTPUTS
SYMBOL
DEFINITION Aperture Delay Pulse Width High Pulse Width Output Valid Time Output Prop Delay
Figure Timing Diagram
AD9070 Preliminary Technical Information
VREF VREF COMP BYPASS AIN/ ENCODE ENCODE/
(MSB)
VREF AIN/ ENCODE ENCODE/
(MSB) (LSB)
AD9070
VIEW (Not Scale)
AD9070
VIEW (Not Scale)
(LSB)
AD9070BR (SOIC) Assignments
0.7125 (18.10) 0.6969 (17.70)
AD9070TD (CERDIP) Assignments
0.1043 (2.65) 0.0926 (2.35)
0.4193 (10.65) 0.3937 (10.00)
0.2992 (7.60) 0.2914 (7.40)
0.0291 (0.74) 0.0098 (0.25)
0.0118 (0.30) 0.0040 (0.10)
0.0500 (1.27)
0.0192 (0.49) 0.0138 (0.35)
SEATING 0.0125 (0.32) PLANE 0.0091 (0.23)
0.0500 (1.27) 0.0157 (0.40)
28-Lead SOIC (R-28)
AD9070 Preliminary Technical Information
(1Vp-p)
0.1uF 0.1uF AD9070 ENCODE ENCODE COMP 0.1uF BYPASS 0.1uF -2V) HIGH -1.1V (min) -1.5V (max) -2V)
ENCODE (DIFFERENTIAL ECL) ENCODE
AD9070 Operation
0.1uF (1Vp-p) 0.1uF AD9070 ENCODE ENCODE COMP 0.1uF BYPASS 0.1uF HIGH +3.9V (min) +3.5V (max)
ENCODE (DIFFERENTIAL PECL) ENCODE
AD9070 Positive-ECL Operation
AD9070 Preliminary Technical Information

10-Bit, MSPS Converter PRELIMINARY DATASHEET 8/16/96 AD9070

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