參數(shù)資料
型號(hào)： EVAL-AD7665EDZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 19/23頁(yè)
文件大小： 0K
描述： BOARD EVAL FOR AD76XXEDZ
標(biāo)準(zhǔn)包裝： 1
系列： *
REV.
AD7665
–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
WARP
IMPULSE
NC = NO CONNECT
SER/
PAR
D0
D1
D2/DIVSCLK[0]
BUSY
D15
D14
D13
AD7665
D3/DIVSCLK[1]
D12
D4/EXT/
INT
D5/INVSYNC
D6/INVSCLK
D7/RDC/SDIN
OGND
OVDD
DVDD
DGND
D8/SDOUT
D9/SCLK
D10/SYNC
D11/RDERROR
NC
IND(4R)
INC(4R)
INB(2R)
INA(R)
INGND
REFGND
REF
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.
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
t
DELAY
t
DELAY
0.8V
2V
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 AD7665 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.
C
The exposed paddle should be connected to GND.
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