HT45R22E
Power-on Reset Characteristics
Test Conditions
Conditions
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
VDD Start Voltage to Ensure
Power-on Reset
VPOR
RRVDD
tPOR
100
¾
mV
V/ms
ms
¾
¾
¾
¾
¾
0.035
1
¾
¾
¾
VDD raising rate to Ensure
Power-on Reset
¾
¾
Minimum Time for VDD Stays at
¾
V
POR to Ensure Power-on Reset
V
D
D
t
P
O
R
R
V
R
D
D
V
P
O
R
T
i
m
e
Comparator Amplifier Characteristics
Test Conditions
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
Conditions
CPCS[1:0]=00B
200
5
300
10
2
¾
¾
mA
mA
mA
mV
ICOMP
SCOM Operating Current
3V CPCS[1:0]=01B
CPCS[1:0]=10B
1
¾
VOS
VCM
Comparator Input Offset Voltage 3V
10
¾
¾
-10
¾
Comparator Common Mode
VDD-1.4V
0
V
¾
¾
Voltage Range
3V CPCS[1:0]=00B
3V CPCS[1:0]=01B
2
¾
¾
¾
¾
¾
¾
ms
ms
ms
Comparator Response Time
(With 10mV overdrive)
tPD
60
CPCS[1:0]=10B
400
¾
Operational Amplifier Characteristics
Test Conditions
Conditions
¾
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
Power Down Current
Input Offset Voltage
3V
0.1
15
¾
¾
¾
mA
Without calibration,
OPOF[3:0]=1000B
VOPOS1
3V
mV
-15
VOPOS2
VCM
Input Offset Voltage
3V By Calibration
4
mV
V
-4
¾
¾
VSS
VDD-1.4V
Common Mode Voltage Range
Power Supply Rejection Ratio
Common Mode Rejection Ratio
Slew Rate +, Slew Rate -
Gain Band Width
¾
3V
3V
¾
¾
PSRR
CMRR
SR
60
60
80
80
2.5
¾
dB
¾
¾
¾
¾
dB
VCM=0~VDD-1.4V
3V No load
RL=1M, CL=100p
1.8
500
V/ms
kHz
GBW
3V
Rev. 1.00
8
March 17, 2010
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
