A/D Converter Electrical Characteristics; Power On Reset Electrical Characteristics - Holtek HT66F488 Manual

HT66F488/HT66F489
A/D Flash MCU with EEPROM

A/D Converter Electrical Characteristics

Symbol Parameter
AV A/D Conve�te� Ope�ating Voltage
DD
V ADC Input Voltage
AD
V ADC Refe�ence Voltage
REF
t A/D Conve�sion Ti�e
ADC
t A/D Clock Pe�iod
AD
t A/D Conve�te� On-to-Sta�t Ti�e
O�2ST
D�L1 A/D Diffe�ential �on-linea�ity
D�L2 A/D Diffe�ential �on-linea�ity
I�L1 A/D Integ�al �on-linea�ity
I�L2 A/D Integ�al �on-linea�ity
Additonal Powe� consu�ption if A/D
I
ADC
Conve�te� is used
t V tu�n on sta�le ti�e
BGS BG
V Bandgap �efe�ence with �uffe� voltage
BG
Additional powe� consu�ption if
I
BG
�efe�ence with �uffe� is used

Power on Reset Electrical Characteristics

Symbol Parameter
V V Sta�t Voltage to Ensu�e Powe�-on Reset
POR DD
RR V Rising Rate to Ensu�e Powe�-on Reset
VDD DD
Mini�u� ti�e fo� V
DD
t
POR
ensu�e Powe�-on Reset
Rev. 1.21
Test Conditons
V
DD
—
—
—
— 12-�it ADC
2.2V~2.�V
2.�V~5.5V
—
V
REF
2.2V~2.�V
Ta=25°C
V
REF
2.�V~5.5V
Ta=25°C
V
REF
3V/5V
Ta=-4�°C ~ 85°C
V
REF
2.2V~2.�V
Ta=25°C
V
REF
2.�V~5.5V
Ta=25°C
V
REF
3V/5V
Ta=-4�°C ~ 85°C
3V
�o load� t
5V
—
—
—
Test Conditions
V
DD
─
─
Stays at V to
POR
─
V
D D
t
P O R
1�
Min. Typ.
Conditons
— 2.2 —
— � —
— 2 —
— 16
— 8 —
— �.5 —
— 2 —
=V � t =8μs
DD AD
— ±15
=V � t =0.5μs
DD AD
-3 —
=V � t =0.5μs
DD AD
-4 —
=V � t =8μs
DD AD
— ±16
=V � t =0.5μs
DD AD
-4 —
=V � t =0.5μs
DD AD
-6 —
— 1.�
=0.5μs
AD
— 1.5
— 1� —
— -5% 1.25
— — 2��
Min. Typ.
Conditions
─ ─ ─
─ �.�35 ─
─ 1� ─
R R
V D D
V
P O R
T i m e
�ove��e� ��� 2�1�
Ta=25°C
Max. Unit
5.5 V
AV /V V
DD REF
AV +�.1 V
DD
— t
AD
1� μs
1� μs
— μs
— LSB
+3 LSB
+4 LSB
— LSB
+4 LSB
+6 LSB
2.� �A
3.� �A
— �s
+5% V
3�� μA
Ta = 25°C
Max. Unit
1�� �V
─ V/�s
─ �s