HT37B90/HT37B70/HT37B50/HT37B30
Test Conditions
Symbol
RPH
Parameter
Min.
Typ.
Max.
Unit
VDD
3V
5V
Conditions
20
10
60
30
100
50
¾
¾
kW
kW
V
Pull-high Resistance of I/O Ports
Low Voltage Reset Voltage
3V LVR 2.4V option
5V LVR 3.0V option
3V LVD 2.5V option
5V LVD 3.1V option
2.28
2.85
2.375
2.945
¾
2.40
3.00
2.500
3.100
-3
2.52
3.15
2.625
3.255
¾
VLVR
V
V
VLVD
Low Voltage Detector Voltage
AUD Current Source
V
IO
VOH=0.9VDD
mA
mA
mA
¾
3V
0.5
1
¾
Additional Power Consumption if
A/D Converter is Used
IADC
¾
5V
1.5
3
¾
(THD+N)/S£1%, RL=8W
VIN=1kHz Sinewave
3V
90
mW
mW
mW
mW
¾
¾
¾
¾
¾
¾
¾
¾
(THD+N)/S£10%, RL=8W
VIN=1kHz Sinewave
125
385
490
PO
Internal AMP Output Power
(THD+N)/S£1%, RL=8W
VIN=1kHz Sinewave
5V
(THD+N)/S£10%, RL=8W
VIN=1kHz Sinewave
A.C. Characteristics
Ta=25°C
Test Conditions
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
Conditions
2.4V~5.5V
Oscillator Clock
fOSC
8000 11059 12800
kHz
¾
(Crystal OSC/RC OSC)
3V
5V
¾
45
32
1
90
65
¾
180
130
¾
¾
¾
¾
ms
ms
ms
tWDTOSC
Watchdog Oscillator Period
tRES
tSST
tLVR
External Reset Low Pulse Width
System Start-up Timer Period
Low Voltage Width to Reset
Power-up or wake-up from
HALT
tSYS
ms
1024
1.00
¾
¾
¾
¾
0.25
2.00
¾
Note: tSYS= 1/fSYS
fSYS=fOSC/2
Rev. 1.00
6
June 22, 2017
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
