Datasheet

REV. E
–4–
AD7664
ORDERING GUIDE
Temperature
Model Range Package Description Package Option
AD7664AST –40°C to +85°C Quad Flatpack (LQFP) ST-48
AD7664ASTRL –40°C to +85°C Quad Flatpack (LQFP) ST-48
AD7664ACP –40°C to +85°C Chip Scale (LFCSP) CP-48
AD7664ACPRL –40°C to +85°C Chip Scale (LFCSP) CP-48
EVAL-AD7664CB
1
Evaluation Board
EVAL-CONTROL-BRD2
2
Controller Board
NOTES
1
This board can be used as a standalone evaluation board or in conjunction with the EVAL-CONTROL-BRD2 for evaluation/
demonstration purposes.
2
This board allows a PC to control and communicate with all Analog Devices evaluation boards ending in the CB designators.
ABSOLUTE MAXIMUM RATINGS
1
IN
2
, REF, 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 . . . . . . . . . . . . . . . . –0.3 V to +7 V
AVDD to DVDD, AVDD to OVDD . . . . . . . . . . . . . . ±7 V
DVDD to OVDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±7 V
Digital Inputs
Except the Databus D(7:4) . . . . . –0.3 V to DVDD + 3.0 V
Databus D(7:4) . . . . . . . . . . . . . . –0.3 V to OVDD + 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
1
Stresses 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 condi-
tions for extended periods may affect device reliability.
2
See Analog Input section.
3
Specification is for the device in free air:
48-Lead LQFP; θ
JA
= 91°C/W, θ
JC
= 30°C/W.
4
Specification is for device in free air:
48-Lead LFCSP; θ
JA
= 26°C/W.
I
OH
500A
1.6mA
I
OL
TO OUTPUT
PIN
1.4V
C
L
60pF*
*
IN SERIAL INTERFACE MODES, THE SYNC, SCLK, AND
SDOUT TIMINGS ARE DEFINED WITH A MAXIMUM LOAD
C
L
OF 10pF; OTHERWISE, THE LOAD IS 60pF MAXIMUM.
Figure 1. Load Circuit for Digital Interface Timing,
SDOUT, SYNC, SCLK Outputs, C
L
= 10 pF
0.8V
2V
2V
0.8V
0.8V
2V
t
DELAY
t
DELAY
Figure 2. Voltage Reference Levels for Timing
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 AD7664 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.
WARNING!
ESD SENSITIVE DEVICE