HT46R002/HT46R003
Cost-Effective A/D 8-Bit OTP MCU
A/D Converter Characteristics
Ta=25°C
Test Conditions
Conditions
VREF=VDD
Symbol
Parameter
Min. Typ.
Max.
Unit
VDD
—
AVDD
VAD
Analog operating voltage
AD Input Voltage
2.7
0
—
—
5.5
V
V
—
—
AVDD/VREF
2.7V
3V
VREF=VDD=AVDD
tAD=0.5μs
DNL
A/D Differential Non-linearity
A/D Integral non-linearity
-2
-4
—
—
+2
+4
LSB
LSB
5V
2.7V
3V
VREF=VDD=AVDD
tAD=0.5μs
INL
IADC
5V
3V
—
—
0.5
0.6
—
—
—
10
mA
mA
μs
Additional Power Consumption if
A/D Converter is Used
No load (tAD=0.5μs )
5V
tAD
A/D Converter Clock Period
2.7V~5.5V
—
0.5
A/D Conversion Time
(Include Sample and Hold Time)
tADC
tON2ST
2.7V~5.5V 12-bit ADC
—
2
16
—
—
—
tAD
A/D Converter On-to-Start Time 2.7V~5.5V
—
μs
Note:ꢀADCꢀconversionꢀtimeꢀ(tAD)=nꢀ(bitsꢀADC)ꢀ+ꢀ4ꢀ(samplingꢀtime),ꢀtheꢀconversionꢀforꢀeachꢀbitꢀneedsꢀoneꢀADCꢀ
clockꢀ(tAD).
Power-on Reset Characteristics
Ta=25°C
Test Conditions
Symbol
Parameter
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
Minimum Time for VDD Stays at VPOR to Ensure
Power-on Reset
tPOR
─
─
1
─
─
ms
VDD
tPOR
RRVDD
VPOR
Time
Rev. 1.21
10
April 11, 2017
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
