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DS1845B-100 查看數據表(PDF) - Dallas Semiconductor -> Maxim Integrated
零件编号
产品描述 (功能)
生产厂家
DS1845B-100
Dual NV Potentiometer and Memory
Dallas Semiconductor -> Maxim Integrated
DS1845B-100 Datasheet PDF : 13 Pages
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DC ELECTRICAL CHARACTERISTICS
PARAMETER SYMBOL CONDITION
Supply Current
Active
Input Leakage
Wiper Resistance
3V
5V
Wiper Current
Input Logic 1
Input Logic 0
Input Logic levels
A0, A1, A2
Input Current each
I/O pin
Standby Current
3V
5V
Low Level Output
Voltage (SDA)
I
CC
I
LI
R
W
I
W
V
IH
V
IL
I
stby
V
OL1
V
OL2
I/O Capacitance
C
I/O
Pulse width of spikes
t
SP
which must be
suppressed by the
input filter
WP Internal Pull Up
R
wp
Resistance, R
wp
Input Logic 1
Input Logic 0
0.4<V
I/O
<0.9V
DD
3 mA sink
current
6 mA sink
current
Fast Mode
DS1845
(-40°C to +85°C; V
CC
=2.7V to 5.5V)
MIN TYP MAX UNITS NOTES
0.5
mA 16,17
-1
+1
µ
A
500 1000
Ω
250 500
1
mA
0.7 V
CC
V
CC
+0.5 V
1,2
GND-0.5
0.3 V
CC
V
1,2
0.7 V
CC
GND-0.5
V
CC
+0.5 V
4
0.3 V
CC
-10
+10
µ
A
5
15
40
µ
A
25
0.0
0.4
V
0.0
0.6
V
10
pF
0
50
ns
40
65 100
k
Ω
ANALOG RESISTOR CHARACTERISTICS
(-40°C to +85°C; V
CC
=2.7V to 5.5V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
End-to-End
Resistance
Absolute Linearity
Relative Linearity
-3 dB Cutoff
frequency
f
cutoff
Temperature
Coefficient
-20
+20
%
19
-0.5
-0.25
+0.5 LSB
13
+0.25 LSB
14
kHz
12
750
ppm/°C
15
10 of 13
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