Datasheet

Section 22 Electrical Characteristics
Rev. 3.00 Sep. 10, 2007 Page 449 of 528
REJ09B0216-0300
22.3.4 A/D Converter Characteristics
Table 22.16 A/D Converter Characteristics
V
CC
= 3.0 to 3.6 V, V
SS
= 0.0 V, T
a
= -20 to +75°C/-40 to +85°C, unless otherwise indicated.
Values
Item Symbol
Applicable
Pins
Test
Condition
Min. Typ. Max. Unit
Reference
Figure
Analog power supply
voltage
AV
CC
AV
CC
3.0 V
CC
3.6 V *
1
Analog input voltage AV
IN
AN0 to
AN7
V
SS
– 0.3 — AV
CC
+ 0.3 V
Analog power supply
current
AI
OPE
AV
CC
AV
CC
= 3.6 V
f
OSC
=
16 MHz
— — 2.0 mA
AI
STOP1
AV
CC
— 50 — µA *
2
Reference
value
AI
STOP2
AV
CC
— — 5.0 µA *
3
Analog input
capacitance
C
AIN
AN0 to
AN7
— — 30.0 pF
Permissible signal
source impedance
R
AIN
AN0 to
AN7
— — 5.0 kΩ
Resolution
(data length)
10 10 10 bit
Conversion time
(single mode)
AV
CC
= 3.0 to
3.6 V
134 — — t
cyc
Nonlinearity error — — ±7.5 LSB
Offset error — — ±7.5 LSB
Full-scale error — — ±7.5 LSB
Quantization error — — ±0.5 LSB
Absolute accuracy — — ±8.0 LSB
Notes: 1. Set AV
CC
= V
CC
when the A/D converter is not used.
2. AI
STOP1
is the current in active and sleep modes while the A/D converter is idle.
3. AI
STOP2
is the current at reset and in standby, subactive, and subsleep modes while the
A/D converter is idle.