MB90822 View Datasheet(PDF) - Fujitsu
Part Name
Description
Manufacturer
MB90822 Datasheet PDF : 100 Pages
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MB90820 Series
5. A/D Converter Electrical Characteristics
(3.0 V ≤ AVR − AVSS, VCC = AVCC = 5.0 V±10%, VSS = AVSS = 0.0 V, TA = −40 °C to +85 °C)
Parameter
Symbol
Pin
name
Min
Value
Typ
Unit
Max
Remarks
Resolution
⎯
⎯
⎯
10
⎯
bit
Total error
⎯
⎯
⎯
⎯
±3.0 LSB
Non-linearity error ⎯
⎯
⎯
⎯
±2.5 LSB
Differential linearity
error
⎯
⎯
⎯
⎯
±1.9 LSB
Zero transition
voltage
VOT
AN0 to AVSS −
AN15 1.5 LSB
AVSS +
0.5 LSB
AVSS +
2.5 LSB
mV
Full-scale
transition voltage
VFST
AN0 to AVR −
AN15 3.5 LSB
AVR −
1.5 LSB
AVR +
0.5 LSB
mV
Compare time
1.0
⎯
⎯
⎯
2.0
⎯
⎯
µs 4.5 V < AVcc < 5.5 V
⎯
µs 4.0 V < AVcc < 4.5 V
0.5
⎯
Sampling time
⎯
⎯
1.2
⎯
⎯
µs 4.5 V < AVcc < 5.5 V
⎯
µs 4.0 V < AVcc < 4.5 V
Analog port input
current
IAIN
AN0 to
AN15
- 0.3
⎯
+ 0.3 µA
Analog input
voltage
VAIN
AN0 to
AN15
AVSS
⎯
AVR V
Reference voltage ⎯
AVR AVSS + 2.7
⎯
AVCC
V
Power supply
current
IA
⎯
2.4
4.7 mA
AVCC
IAH
⎯
⎯
5
µA *
Reference voltage
IR
supply current
IRH
AVR
⎯
⎯
600
900 µA
⎯
5
µA *
Offset between
channels
—
AN0 to
AN15
⎯
⎯
4
LSB
* : The current when the A/D converter is not operating or the CPU is in stop mode (for VCC = AVCC = AVR = 5.0 V)
Note : The error increases proportionally as |AVR - AVSS| decreases.
91
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