MB90480/485 Series
5. A/D Converter Electrical Characteristics
(VCC = AVCC = 2.7 V to 3.6 V, VSS = AVSS = 0.0 V, 2.7 V ≤ AVRH, TA = −40 °C to +85 °C)
Value
Typ
⎯
Sym-
bol
Parameter
Resolution
Pin name
Unit Remarks
Min
⎯
Max
10
⎯
⎯
⎯
⎯
⎯
⎯
bit
Total error
⎯
⎯
3.0
2.5
LSB
LSB
Linear error
⎯
⎯
Differential linearity
error
⎯
⎯
⎯
⎯
1.9
LSB
AN0 to
AN7
Zero transition voltage VOT
AVSS − 1.5 LSB AVSS + 0.5 LSB AVSS + 2.5 LSB mV
AVRH − 3.5 LSB AVRH − 1.5 LSB AVRH + 0.5 LSB mV
Full scale transition
VFST
AN0 to
AN7
voltage
Conversion time
⎯
⎯
3.68 *1
⎯
⎯
µs
Analog port input
current
AN0 to
AN7
IAIN
⎯
0.1
10
µA
AN0 to
AN7
Analog input voltage
Reference voltage
VAIN
AVSS
⎯
AVRH
V
⎯
IA
AVRH
AVCC
AVSS + 2.2
⎯
1.4
⎯
AVCC
3.5
V
⎯
⎯
⎯
⎯
mA
µA
µA
µA
Power supply current
IAH
IR
AVCC
5 *2
150
5 *2
AVRH
AVRH
94
⎯
Reference voltage
supply current
IRH
Offset between
channels
AN0 to
AN7
⎯
⎯
⎯
4
LSB
*1 : At machine clock frequency of 25 MHz.
*2 : CPU stop mode current when A/D converter is not operating (at VCC = AVCC = AVRH = 3.0 V) .
110
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