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AD7674 Datasheet(PDF) 5 Page - Analog Devices

Part No. AD7674
Description  16-Bit, 250 kSPS CMOS ADC
Download  24 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD7674 Datasheet(HTML) 5 Page - Analog Devices

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REV. B
AD7663
–5–
PIN CONFIGURATION
ST-48 and CP-48
36
35
34
33
32
31
30
29
28
27
26
25
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
48 47 46 45 44
39 38 37
43 42 41 40
PIN 1
IDENTIFIER
TOP VIEW
(Not to Scale)
AGND
CNVST
PD
RESET
CS
RD
DGND
AGND
AVDD
NC
BYTESWAP
OB/
2C
NC
NC
NC = NO CONNECT
SER/
PAR
D0
D1
D2/DIVSCLK[0]
BUSY
D15
D14
D13
AD7663
D3/DIVSCLK[1]
D12
ABSOLUTE MAXIMUM RATINGS
1
Analog Inputs
IND
2, INC2, INB2 . . . . . . . . . . . . . . . . . . . . –11 V to +30 V
INA, REF, INGND, REFGND
. . . . . . . . . . . . . . . . . . . . AGND – 0.3 V to AVDD + 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 . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
Digital Inputs . . . . . . . . . . . . . . . . –0.3 V to DVDD + 0.3 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
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 indicated in the operational
section of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2See Analog Inputs section.
3Specification is for device in free air: 48-Lead LQFP:
qJA = 91°C/W, qJC = 30°C/W.
4Specification is for device in free air: 48-Lead LFCSP:
qJC = 26 C/W.
ORDERING GUIDE
Model
Temperature Range
Package Description
Package Option
AD7663AST
–40°C to +85°CQuad Flatpack (LQFP)
ST-48
AD7663ASTRL
–40°C to +85°CQuad Flatpack (LQFP)
ST-48
AD7663ACP
–40 C to +85 CChip Scale (LFCSP)
CP-48
AD7663ACPRL
–40 C to +85 CChip Scale (LFCSP)
CP-48
EVAL-AD7663CB
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.
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 AD7663 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.


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