SM8145A
DC Characteristics
VDD = 3.0 V, Ta = 25 °C unless otherwise noted.
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Supply voltage
CHV output voltage
OUT1, OUT2, OUTCOM HIGH-level
output voltage
V DD
V CHV
VOUTH
1.6
3.0
5.5
V
0.5
–
100
V
–
–
100
V
OUT1, OUT2, OUTCOM LOW -level
output voltage
VOUTL
–
–
0.5
V
LDR output resistance
OCE oscillator frequency
OCE oscillator frequency range
OCL1, OCL2, OCL3 oscillator frequency
OCL1, OCL2, OCL3 oscillator frequency
ra n g e
R LDR
fO C E 1
fO C E 2
fO C L 1
fO C L 2
IL D R = 50 mA
ROCE = 180 kΩ
ROCL = 180 kΩ
–
8.0
12.0
Ω
205
256
307
kHz
32
–
1536
205
256
307
kHz
32
–
1536
OUT1, OUT2, OUTCOM output
frequency
OUT1, OUT2, OUTCOM output
frequency range
fO U T 1
ROCE = 180 kΩ
fO U T 2
200
250
300
Hz
31
–
1500
LDR inductance driver frequency
LDR inductance driver frequency range
fL D R 1
fL D R 2
ROCL = 180 kΩ
51
64
77
kHz
8
–
384
ENA1, ENA2 HIGH-level input voltage
VENAH ENA = HIGH, VDD = 1.6 to 5.5V VDD – 0.5
–
VDD + 0.3
V
ENA1, ENA2 LOW -level input voltage
VENAL ENA = LOW , VDD = 1.6 to 5.5V VSS – 0.3
–
VSS + 0.5
ENA1, ENA2 input current
ENA1, ENA2 rise time1
IE N A H
tE N A
VENAH = VDD = 3.0V
2.0
4.0
6.0
µA
–
–
100
ms
Operating current
ID D 1
Excluding coil current
–
–
1.0
mA
Stand-by current
IS T B
ENA = LOW
–
–
1.0
µA
1.
ENA
VDD
VDD − 0.5
VSS VSS + 0.5
tENA
NIPPON PRECISION CIRCUITS—4