AD7570 Просмотр технического описания (PDF) - Analog Devices
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AD7570 Datasheet PDF : 12 Pages
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8
PARAMETER
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I
POWER SUPPLIES
VDD
VCC
IDD
Icc
VERSIONS
J. L
J. L
J. L
J. L
J, L
TA ~ +25°C
+5V to +15V typ
+5V to VDD typ
0.2mA typo 2mA max
0.02mA typ, 2mA max
O_lmA typ, 2mA max
OVER SPECIFIED
TEMP_RANGE
TEST CONDITIONS
See Figures 3 and 4
VDD~ +15V, fCLK ~ 0 to 100kHz
Continuous Conversion (80% Duty
Cycle)
VCC ~ +5V. fcLK ~ 0 to 100kHz
Continuous Conversion (80% Duty
Cycle)
VCC = +15V, fcLK = 0 to 100kHz
Continuous Conversion (80% Duty
Cycle)
, "J" version parameters specified for SC8 ~ O.
2 VJNL and VJNH specifications applicable to all digital inputs except COMP. COMP terminal must be driven with CMOS levels (i.e., comparator
output pullup must be tied to VCc).
'IJNL,IJNH specifications not applicable to CLK terminal. See "CLK input current" in specifications table.
. STRT falling edge should not coincide with CLK in falling edge.
..
Specifications subject to change without notice.
O8 ABSOLUTE MAXIMUM RATINGS
BVootoGND
S VcctoGND
O VcctoVOO"""""""""""""'"
VREFtoGND
8 L AnaloglnputtoGND
E Digital Input Voltage Range.
+17V
+17V
+OAV
:t25V
:t25V
. . . . . . . . . . . . . VOO to GND
TE 'oUTl,'oUTZ
O.3V,VoO
ORDERING INFORMATION
Resolution
----
8-Bit
la-Bit
Temperature Range
-25°C to +85°C
AD7570j
AD7570L
Suffix D: Ceramic Package
Power Dissipation (package)
upto+50°c
IOOOmW
Derate above +50°C by. - . . . . . . . . . . . . . . . . . . IOmW/C
PIN CONFIGURATION
Operating Temperature. . . . . . . . . . . . . . . . -25°C to +85°C
Storage Temperature. . . . . . . . . . . . . . . . -65°C to +150°C
TOP VIEW
VDD
1.
2a
rmw
8
VREF
AIN
27
BSEN
26
CAUTION:
1. Do not apply voltages higher than V cc or less than
GND to any input/output terminal except VREF
or AIN.
2. The digital control inputs are zener protected; however
permanent damage may occur on unconnected units
under high energy electrostatic fields. Keep unused
units in conductive foam at all times.
3. Vcc should never exceed Voo by more than OAV,
especially during power ON or OFF sequencing.
oun
OUT2
AGND
COMP
SAD
SYNC
(MSB)DB9
10
DBa
11
DB7
12
DB6
DB5
25
STAT
24
ClK
23
DGND
22
Vcc
21
lBEN
20
HBEN
19
DBa IlSB)
18
DBI
17
DB2
16
DB3
15
DB4
8
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-3-
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