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HT45F39 Datasheet(PDF) 13 Page - Holtek Semiconductor Inc

Part # HT45F39
Description  Ultrasonic Distance Measurement 8-bit Flash MCU
PDF  102 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F39 Datasheet(HTML) 13 Page - Holtek Semiconductor Inc

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Rev. 1.10
12
July 01, 2016
Rev. 1.10
13
July 01, 2016
HT45F39/HT45F391
Ultrasonic Distance Measurement 8-bit Flash MCU
HT45F39/HT45F391
Ultrasonic Distance Measurement 8-bit Flash MCU
SCF Electrical Characteristics
Ta=25°C
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
SCVDD
Power Supply Voltage
─
4.5
─
5.5
Volt
SCGAIN
Gain Range
─
6
─
30
DB
SCBW
Bandwidth
Connect RL(=2KΩ) to a DC Level(=2.5V)
─
3K
─
Hz
PMRR
Output Range
─
─
4
─
V
AOL
Filter Clock
VDD= all range
─
fSYS/20
─
Hz
Op Amplifier Electrical Characteristics
Ta=25°C
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
VI(R)
Input Common Mode Voltage
─
0
─
VDD-1.4
V
IPD
Power Down Current
─
─
─
0.1
μA
PMRR
Power Mode Rejection Ratio
─
80
─
─
dB
AOL
Open Loop Gain
VDD= all range
100
─
─
dB
CMRR
Common Mode Rejection Ratio
─
80
─
─
dB
UGBW
Unit Gain Band Width
VCM=2.5V
5
─
─
MHz
Power-on Reset Characteristics
Ta=25°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
VPOR
VDD Start Voltage to Ensure Power-on Reset
—
—
—
—
100
mV
RRVDD
VDD Raising Rate to Ensure Power-on Reset
—
—
0.035
—
—
V/ms
tPOR
Minimum Time for VDD Stays at VPOR to Ensure
Power-on Reset
—
—
1
—
—
ms
Ti me
V DD
V PO R
RR VD D
t PO R



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