Typical operating characteristics (cont.) (v, 5v, t = +25ºc, unless otherwise specified), Active supply current vs. frequency – Rainbow Electronics DS1855 User Manual
Page 18: Frequency (khz), Resistance vs. voltage (power-up), Supply voltage - power-up (v), Re s is t ance from w to l ( w )
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DS1855
18 of 20
TYPICAL OPERATING CHARACTERISTICS (cont.)
(V
CC
= 5V, T = +25ºC, unless otherwise specified)
S
U
P
P
L
Y
CURRE
NT
(m
A
)
ACTIVE SUPPLY CURRENT vs. FREQUENCY
10
30
50
70
90
110
130
150
0
50
100
150
200
250
300
350
400
FREQUENCY (kHz)
Icc active (uA)
RE
S
IS
T
ANCE
FROM W TO L
(W
)
RESISTANCE vs. VOLTAGE (POWER-UP)
0
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
SUPPLY VOLTAGE - POWER-UP (V)
Pot 0 res (50dec)
Pot 1 res (127dec)
Pot 0 res (0dec)
Pot 1 res (0dec)
Pot 0 res (99dec)
Pot 1 res (255dec)
Potentiometer value recalled from EEPROM
Pot 1, 255d
Pot 1, 127d
Pot 1, 0d
Pot 0, 99d
Pot 0, 0d
Pot 0, 50d
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