AD7660 データシートの表示（PDF） - Analog Devices
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AD7660 Datasheet PDF : 21 Pages
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AD7660
ABSOLUTE MAXIMUM RATINGS1
Analog Inputs
IN2, REF, INGND, REFGND . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . 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 + 0.3 V
Databus Inputs D(7:4) . . . . . . –0.3 V to OVDD + 0.3 V
Internal Power Dissipation3 . . . . . . . . . . . . . . . . . . . 700 mW
Internal Power Dissipation4 . . . . . . . . . . . . . . . . . . . . . 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 indicated in the operational
section of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2 See Analog Input section.
3 Specification is for device in free air: 48-Lead LQFP: qJA = 91∞C/W, qJC = 30∞C/W.
4 Specification is for device in free air: 48-Lead LFCSP: qJA = 26∞C/W.
PIN CONFIGURATION
48 47 46 45 44 43 42 41 40 39 38 37
AGND 1
AVDD 2
NC 3
DGND 4
OB/2C 5
NC 6
NC 7
SER/PAR 8
D0 9
D1 10
D2 11
D3 12
PIN 1
IDENTIFIER
AD7660
TOP VIEW
(Not to Scale)
36 AGND
35 CNVST
34 PD
33 RESET
32 CS
31 RD
30 DGND
29 BUSY
28 D15
27 D14
26 D13
25 D12
13 14 15 16 17 18 19 20 21 22 23 24
NC = NO CONNECT
1.6mA IOL
TO OUTPUT
1.4V
PIN CL
60pF*
500A IOH
*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
0.8V
tDELAY
2V
0.8V
2V
tDELAY
2V
0.8V
Figure 2. Voltage Reference Levels for Timings
ORDERING GUIDE
Model
Temperature Range Package Description
Package Option
AD7660AST
AD7660ASTRL
AD7660ACP
AD7660ACPRL
EVAL-AD7660CB1
EVAL-CONTROL BRD22
–40∞C to +85∞C
–40∞C to +85∞C
–40∞C to +85∞C
–40∞C to +85∞C
Quad Flatpack (LQFP)
Quad Flatpack (LQFP)
Chip Scale (LFCSP)
Chip Scale (LFCSP)
Evaluation Board
Controller Board
ST-48
ST-48
CP-48
CP-48
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.
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 AD7660 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.
–4–
WARNING!
ESD SENSITIVE DEVICE
REV. D
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