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AD7663 Datasheet(PDF) 5 Page - Analog Devices

Part # AD7663
Description  16-Bit 1 MSPS SAR Unipolar ADC with Ref
Download  23 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7663 Datasheet(HTML) 5 Page - Analog Devices

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REV. PrA
PRELIMINARY TECHNICAL DATA
AD7667
–5–
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the AD7667 features proprietary ESD protection circuitry, permanent damage may occur on
devices subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions are
recommended to avoid performance degradation or loss of functionality.
ORDERING GUIDE
Temperature
Model
Range
Package Description
Package Option
AD7667AST
–40°C to +85°C
Quad Flatpack (LQFP)
ST-48
AD7667ASTRL
–40°C to +85°C
Quad Flatpack (LQFP)
ST-48
AD7667ACP
–40°C to +85°C
Chip Scale (LFCSP)
CP-48
AD7667ACPRL
–40°C to +85°C
Chip Scale (LFCSP)
CP-48
EVAL-AD7667CB
1
Evaluation Board
EVAL-CONTROL BRD2
2
Controller Board
NOTES
1This board can be used as a standalone evaluation board or in conjunction with the EVAL-CONTROL BRD2 for evaluation/demonstration purposes.
2This board allows a PC to control and communicate with all Analog Devices evaluation boards ending in the CB designators.
ABSOLUTE MAXIMUM RATINGS
*
IN
2, TEMP2,REF, REFBUFIN, INGND, REFGND to AGND
. . . . . . . . . . . . . . . . . . . . . . . AVDD + 0.3 V to AGND – 0.3 V
Ground Voltage Differences
AGND, DGND, OGND . . . . . . . . . . . . . . . . . . . . . ±0.3 V
Supply Voltages
AVDD, DVDD, OVDD . . . . . . . . . . . . . . .
-0.3V to +7 V
AVDD to DVDD, AVDD to OVDD . . . . . . . . . . . . . ±7 V
DVDD to OVDD . . . . . . . . . . . . . . . . . . . .
-0.3V to +7 V
Digital Inputs . . . . . . . . . . . . . . . . –0.3 V to DVDD + 3.0 V
Internal Power Dissipation
3
. . . . . . . . . . . . . . . . . . . 700 mW
Internal Power Dissipation
4
. . . . . . . . . . . . . . . . . . . . . 2.5 W
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Storage Temperature Range . . . . . . . . . . . . –65°C to +150°C
Lead Temperature Range
(Soldering 10 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C
NOTES
1Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2See Analog Input section.
3Specification is for the device in free air:
48-Lead LQFP;
θ
JA = 91°C/W, θJC = 30°C/W
4Specification is for the device in free air:
48-Lead LFCSP;
θ
JA = 26°C/W
IOH
500 A
1.6mA
IOL
TO OUTPUT
PIN
1.4V
CL
60pF*
*
IN SERIAL INTERFACE MODES, THE SYNC, SCLK, AND
SDOUT TIMINGS ARE DEFINED WITH A MAXIMUM LOAD
CL OF 10pF; OTHERWISE, THE LOAD IS 60pF MAXIMUM.
Figure 1. Load Circuit for Digital Interface Timing,
SDOUT, SYNC, SCLK Outputs, CL = 10 pF
0.8V
2V
2V
0.8V
0.8V
2V
t
DELAY
t
DELAY
Figure 2. Voltage Reference Levels for Timing
WARNING!
ESD SENSITIVE DEVICE


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