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HD6433937 Datasheet, PDF (413/521 Pages) Hitachi Semiconductor – Hardware Manual | |||
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13.2.4 A/D Converter Characteristics
Table 13-5 shows the A/D converter characteristics of the H8/3937 Series and H8/3937R Series.
Table 13-5 A/D Converter Characteristics
VCC = 1.8 V to 3.6 V, VSS = AVSS = 0.0 V, Ta = â20°C to +75°C (including subactive mode)
unless otherwise indicated.
Applicable
Values
Item
Symbol Pins
Min Typ Max
Unit Test Condition
Notes
Analog power AVCC AVCC
1.8 â 3.6
V
*1
supply voltage
Analog input AVIN
voltage
AN0 to AN7 â 0.3 â
AVCC + 0.3 V
Analog power AIOPE AVCC
supply current AISTOP1 AVCC
â â 1.0
â 600 â
mA AVCC = 3.0 V
µA
*2
Reference
value
AISTOP2 AVCC
ââ5
µA
*3
Analog input CAIN
AN0 to AN7 â
â
15.0
pF
capacitance
Allowable
RAIN
signal source
impedance
â â 10.0
kâ¦
Resolution
(data length)
â â 10
bit
Nonlinearity
error
â â ±2.5
â â ±5.5
â â ±7.5
LSB AVCC = 3.0 to 3.6 V
VCC = 3.0 to 3.6 V
AVCC = 2.0 to 3.6 V
VCC = 2.0 to 3.6 V
Except the above
*4
Quantization
error
â â ±0.5
LSB
Absolute
accuracy
â â ±3.0
â â ±6.0
â â ±8.0
LSB AVCC = 3.0 to 3.6 V
VCC = 3.0 to 3.6 V
AVCC = 2.0 to 3.6 V
VCC = 2.0 to 3.6 V
Except the above
*4
Conversion
time
12.4 â 124
62 â 124
µs
AVCC = 2.7 to 3.6 V
VCC = 2.7 to 3.6 V
Except the above
Notes: 1. Set AVCC = VCC when the A/D converter is not used.
2. AISTOP1 is the current in active and sleep modes while the A/D converter is idle.
3. AISTOP2 is the current at reset and in standby, watch, subactive, and subsleep modes
while the A/D converter is idle.
4. Conversion time: 62 µs
401
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