参数资料
型号: 7820
厂商: Maxwell Technologies, Inc
英文描述: Microprocessor-compatible 8-Bit ADC
中文描述: 微处理器兼容的8位ADC
文件页数: 3/18页
文件大小: 244K
代理商: 7820
M
3
All data sheets are subject to change without notice
2003 Maxwell Technologies
All rights reserved.
Mcroprocessor-compatible 8-Bit ADC
7820
09.09.03 Rev 3
V
IN
to GND
Operating Temperature
Storage Temperature Range
Power Dissipation to 75°C
Derates above +75°C
-0.3
-55
-65
--
--
V
DD
+0.3
125
150
450
6
V
°C
°C
mW
mW/°C
1.
CAUTION
: ESD (electrostatic discharge) sensitive device. The digital control inputs are diode protected; how-
ever, permanent damage may occur on unconnected devices subject to high energy electrostatic fields. Unused
devices must be stored in conductive foamor shunts. The protective foamshould be discharged to the destina-
tion socket before devices are inserted.
T
ABLE
3. 7820 DC E
LECTRICAL
C
HARACTERISTICS
(V
DD
= +5V; V
REF
(+) = +5V; V
REF
(-) = GND = 0V,
UNLESS
OTHERWISE
SPECIFIED
) (RD M
ODE
(P
IN
7 = 0V))
(T
A
= -55
TO
125 °C
UNLESS
OTHERWISE
SPECIFIED
)
P
ARAMETER
T
EST
C
ONDITIONS
S
UBGROUPS
M
IN
T
YP
M
AX
U
NIT
Accuracy
Resolution
--
8
--
--
Bits
Total Unadjusted Error
1
--
--
--
±1.0
LSB
MnimumResolution for which No
Mssing Codes are Guaranteed
--
--
--
8
Bits
Reference Input
Input Resisitance
--
1, 2, 3
1.0
--
4.0
k
V
V
REF
(+) Input Voltage Range
V
REF
(-) Input Voltage Range
Analog Input
--
1, 2, 3
V
REF
(-)
GND
--
V
DD
V
REF
(+)
--
1, 2, 3
--
V
Input Voltage Range
--
1, 2, 3
V
REF
(-)
--
--
V
REF
(+)
±3
V
Input Leakage Current
--
1, 2, 3
--
μA
Input Capacitance
2
--
1, 2, 3
--
45
--
pF
Logic Inputs
CS, WR, RD
V
INH
V
INH
I
INH
(CS, RD)
I
INH
(WR)
I
INL
(WR)
Input Capacitance
2
--
1, 2, 3
2.4
--
--
V
--
1, 2, 3
--
--
0.8
V
--
1, 2, 3
--
--
1
μA
--
1, 2, 3
--
--
3
μA
--
1, 2, 3
--
--
-1
μA
--
1, 2, 3
--
5
8
pF
T
ABLE
2. 7820 A
BSOLUTE
M
AXIMUM
R
ATINGS1
P
ARAMETER
M
IN
M
AX
U
NIT
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