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HT37B90 Datasheet(PDF) 6 Page - Holtek Semiconductor Inc

Part # HT37B90
Description  HT37B90
PDF  80 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT37B90 Datasheet(HTML) 6 Page - Holtek Semiconductor Inc

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 6 / 80 page
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Symbol
Parameter
TestConditions
Min.
Typ.
Max.
Unit
VDD
Conditions
RPH
Pull-highResistanceofI/OPorts
3V
¾
20
60
100
k
W
5V
¾
10
30
50
k
W
VLVR
LowVoltageResetVoltage
3V
LVR 2.4Voption
2.28
2.40
2.52
V
5V
LVR 3.0Voption
2.85
3.00
3.15
V
VLVD
LowVoltageDetectorVoltage
3V
LVD 2.5Voption
2.375
2.500
2.625
V
5V
LVD 3.1Voption
2.945
3.100
3.255
V
IO
AUD CurrentSource
¾ VOH=0.9VDD
¾
-3
¾
mA
IADC
AdditionalPowerConsumptionif
A/DConverterisUsed
3V
¾
¾
0.5
1
mA
5V
¾
1.5
3
mA
PO
InternalAMPOutputPower
3V
(THD+N)/S
£1%, R
L=8W
VIN=1kHz Sinewave
¾
90
¾
mW
(THD+N)/S
£10%, R
L=8W
VIN=1kHz Sinewave
¾
125
¾
mW
5V
(THD+N)/S
£1%, R
L=8W
VIN=1kHz Sinewave
¾
385
¾
mW
(THD+N)/S
£10%, R
L=8W
VIN=1kHz Sinewave
¾
490
¾
mW
A.C.Characteristics
Ta=25
°C
Symbol
Parameter
TestConditions
Min.
Typ.
Max.
Unit
VDD
Conditions
fOSC
OscillatorClock
(Crystal OSC/RC OSC)
¾
2.4V~5.5V
8000
11059
12800
kHz
tWDTOSC
WatchdogOscillatorPeriod
3V
¾
45
90
180
ms
5V
¾
32
65
130
ms
tRES
ExternalResetLowPulseWidth
¾
¾
1
¾
¾
ms
tSST
SystemStart-upTimerPeriod
¾
Power-uporwake-upfrom
HALT
¾
1024
¾
tSYS
tLVR
LowVoltageWidthtoReset
¾
¾
0.25
1.00
2.00
ms
Note:
tSYS=1/fSYS
fSYS=fOSC/2
HT37B90/HT37B70/HT37B50/HT37B30
Rev.1.00
6
June22,2017



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