Datasheet

Section 16 Electrical Characteristics
Rev. 8.00 Mar. 09, 2010 Page 517 of 658
REJ09B0042-0800
16.8.4 A/D Converter Characteristics
Table 16.25 shows the A/D converter characteristics.
Table 16.25 A/D Converter Characteristics
V
CC
= 2.7 V to 5.5 V, AV
CC
= 2.7 V to 5.5 V, V
SS
= AV
SS
= 0.0 V, unless otherwise specified
Values
Item Symbol
A
pplicable
Pins
Min Typ Max Unit
Test
Condition
Reference
Figure
Analog power supply
voltage
AV
CC
AV
CC
2.7 — 5.5 V
*
1
Analog input voltage AV
IN
AN
0
to
AN
7
– 0.3 — AV
CC
+ 0.3 V
AI
OPE
AV
CC
— — 1.5 mA AV
CC
= 5.0 V Analog power supply
current
AI
STOP1
AV
CC
— 600 — µA
*
2
Reference
value
AI
STOP2
AV
CC
— — 5.0 µA
*
3
Analog input
capacitance
C
AIN
AN
0
to
AN
7
— — 15.0 pF
Allowable signal
source impedance
R
AIN
— — 10.0 kΩ
Resolution (data
length)
— — 10 bit
Nonlinearity error — — ±3.5 LSB AV
CC
= 4.0 V
to 5.5 V
— — ±7.5 AV
CC
= 2.7 V
to 5.5 V
Quantization error — — ±0.5 LSB
Absolute accuracy — ±2.0 ±4.0 LSB AV
CC
= 4.0 V
to 5.5 V
— ±2.0 ±8.0 AV
CC
= 2.7 V
to 5.5 V
Conversion time 6.2 — 124 µs
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, watch, subactive, and subsleep modes
while the A/D converter is idle.