Monday, Apr 28, 2008 9:22 AM /
12-Bit, 3 MSPS,
A to D Converter
AD1672
ASD0010965 Rev. G
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reliable. However, no responsibilit y is assumed by Analog Devices for its use,
nor for any infringements of patents or other rights of third parties that may
result from its use. Specifications subj ect to chang e without notice. No license
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U.S.A.
Tel: 781.329.4700 www.analog.com
Fax: 781.326.8703 © 2008 Analog Devices, Inc. All rights reserved.
1.0 SCOPE
This specification documents the detail requirements for space qualified product manufactured on
Analog Devices, Inc.’s QML certified line per MIL-PRF-38535 Level V except as modified herein.
The manufacturing flow described in the STANDARD SPACE LEVEL PRODUCTS PROGRAM
brochure is to be considered a part of this specification. This brochure may be found at:
http://www.analog.com/aerospace
This data sheet specifically details the space grade version of this product. A more detailed operational
description and a complete data sheet for commercial product grades can be found at
www.analog.com/AD1672
2.0 Part Number. The complete part number(s) of this specification follow:
Part Number Description
AD1672-703D 12-Bit , 3 MSPS, A to D Converter
AD1672-703F 12-Bit , 3 MSPS, A to D Converter
AD1672-713D 12-Bit , 3 MSPS, A to D Converter with radiation test
AD1672-713F 12-Bit , 3 MSPS, A to D Converter with radiation test
2.1 Case Outline.
Letter Descriptive designator Case Outline (Lead Finish per MIL-PRF-38535)
D GDIP2-T28 28-Lead Sidebrazed DIP package
F CDFP3-F28 28-Lead bottom-brazed flatpack
Figure 1 - Terminal connections.
AD1672
ASD0010965 Rev. G | Page 2 of 5
3.0 Absolute Maximum Ratings. (TA = 25°C, unless otherwise noted)
V
CC with respect to ACOM..............................................................................-0.5 to +6.5V
V
DD with respect to DCOM..............................................................................-0.5 to +6.5V
DRVDD with respect to DRCOM .....................................................................-0.5 to +6.5V
ACOM with respect to DCOM, DRCOM........................................................-0.5 to +0.5V
Clock with respect to DCOM..................................................................-0.5 to VDD + 0.5V
Digital Outputs with respect to DCOM.......................................... -0.5V to DRVDD + 0.5V
AIN with respect to ACOM ..........................................................................-6.5V to +6.5V
REFIN with respect to ACOM............................................................. -0.5V to VCC + 0.5V
Junction Temperature (TJ).........................................................................................+150°C
Operating Temperature Range...................................................................-55°C to + 125°C
Storage Temperature...................................................................................-65°C to +150°C
Lead Temperature (10 sec)........................................................................................+300°C
Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating
only and functional operation of the device at these or any other conditions above those indicated in the operational sections of the
specification is not implied. Expo sure to absolute maximum ratings for extended periods may effect device reliability.
3.1 Thermal Characteristics:
Thermal Resistance, Sidebrazed (D) Package
Junction-to-Case (ΘJC) = 28°C/W Max
Junction-to-Ambient (ΘJA) = 70°C/W Max
Thermal Resistance, Bottom brazed (F) Package
Junction-to-Case (ΘJC) = 22°C/W Max
Junction-to-Ambient (ΘJA) = 60°C/W Max
4.0 Electrical Table:
Parameter
See notes at end of table Symbol Conditions 1/
Unless Otherwise Specified Sub
Group Limit
Min. Limit
Max Units
RESOLUTION No Missing Codes 1,2,3 12 Bits
Supply Current IVCC 1,2,3 65 mA
IVDD
2
IDRVDD
2
Power dissipation PD 1,2,3 363 mW
Power supply rejection PSR VCC=5.0V ± 0.25V 1,2,3 -0.3 0.3 %FSR
3/ VDD=5.0V ± 0.25V -0.3 0.3
VDRDD=3.0V to 5.25V -0.1 0.1
ACCURACY 1,2,3
Integral Nonlinearity INL
-2.5 2.5 LSB
Differential Nonlinearity DNL
-1 1.5 LSB
Offset Error VOSE
-0.75 0.75 %FSR
Zero Error 5/ -0.75 0.75 %FSR
Gain Error 2/ -1.5 1.5 %FSR
Internal Voltage
Reference VO Iout = 0.5 mA 4/ 1,2,3 2.475 2.525 V
Analog Input 2.5V Range Unipolar 1,2,3 0 2.5 V
5.0V Range Unipolar 0 5
AD1672
ASD0010965 Rev. G | Page 3 of 5
4.0 Electrical Table: (Cont’d)
NOTES:
1/ VCC = VDD = VDRVDD = +5.0V.
2/ Includes internal reference error.
3
/ Change in full scale as a function of the dc supply voltage.
4
/ Current available for external loads. External load should not change during conversion.
5
/ Bipolar Mode
Parameter
See notes at end of table Symbol Conditions 1/
Unless Otherwise Specified Sub
Group Limit
Min. Limit
Max Units
5.0V Bipolar -2.5 2.5
Input Resistance 2.5V Input Range
5.0V Input Range 1,2,3 1.5
3 2.5
5 Kohm
Output Voltage, High VOH I
OH= 0.5 mA 1,2,3 2.4 V
Output Voltage, Low VOL I
OL= 1.6 mA 1,2,3 0.4 V
Logic Inputs
Logic “0” Input Current
Logic “1” Input Current
IIH
IIL
VIH=VDD
VIL=0V
1,2,3
-10
10
uA
AC Parameters:
Parameter
See notes at end of table Symbol Conditions 1/
Unless Otherwise Specified Sub
Group Limit
Min. Limit
Max Units
Signal to Noise Distortion
(S/(N+D))
finput=500KHz
9
10,11
63
62
dB
Signal to Noise Ratio SNR finput=500KHz 9
10,11 66
62 dB
Total Harmonic Distortion THD finput=500KHz 9,10,11 -64 dB
Spurious Free Dynamic Range SFDR finput=500KHz 9,10,11 -65 dB
AD1672
ASD0010965 Rev. G | Page 4 of 5
4.1 Electrical Test Requirements:
1/ PDA applies to Subgroup 1 only. No other subgroups are included in PDA.
2
/ See table III for delta parameters.
4.2 Table III. Life Test/Burn-In test delta limits.
5.0 Life Test/Burn-In Circuit:
5.1 HTRB is not applicable for this drawing.
5.2 Burn-in is per MIL-STD-883 Method 1015 test condition D.
5.3 Steady state life test is per MIL-STD-883 Method 1005.
Table II
Test Requirements Subgroups (in accordance
with MIL-PRF-38535,
Table III)
Interim Electrical Parameters 1
Final Electrical Parameters 1, 2, 3, 9, 10, 11 1/ 2/
Group A Test Requirements 1, 2, 3, 9, 10, 11
Group C end-point electrical parameters 1 2/
Group D end-point electrical parameters 1
Group E end-point electrical parameters 1
Table III
TEST
TITLE ENDPOINT
LIMIT DELTA
LIMIT UNITS
ICC
VOH
VOL
65
2.4
0.4
±10%
±0.24
±0.1
mA
V
V
AD1672
ASD0010965 Rev. G | Page 5 of 5
Rev Description of Change Date
A Initiate Apr. 20, 2000
B Add Flatpack, Add radiation part number, Add timing information on
page 3. Mar. 22, 2001
C Update web address. Feb. 7, 2002
D Change subgroups 4, 5, 6 to 9, 10, 11. Update web address Jan. 9, 2003
E Delete Burn-In circuit. Aug. 5, 2003
F Update header/footer and add to 1.0 Scope description Feb. 19,2008
G Add Operating Temperature Range to Section 3.0 &
Remove (See Figure 2) in Sections 5.2 and 5.3 April 4, 2008
© 2008 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective
companies.
Printed in the U.S.A. 03/08