Datasheet

Section 15 Electrical Characteristics
Rev. 6.00 Aug 04, 2006 page 510 of 680
REJ09B0145-0600
15.6.4 A/D Converter Characteristics
Table 15.22 shows the A/D converter characteristics.
Table 15.22 A/D Converter Characteristics
Applicable Values
Item Symbol Pins Min Typ Max Unit Test Condition Notes
Analog power
supply voltage
AV
CC
AV
CC
1.8 — 3.6 V
*
1
Analog input
voltage
AV
IN
AN
0
to AN
11
– 0.3 — AV
CC
+
0.3
V
Analog power AI
OPE
AV
CC
—— 1.2 mAAV
CC
= 3.0 V
supply current AI
STOP1
AV
CC
— 600 — µA
*
2
Reference
value
AI
STOP2
AV
CC
—— 5 µA
*
3
Analog input
capacitance
C
AIN
AN
0
to AN
11
— — 15.0 pF
Allowable
signal source
impedance
R
AIN
— — 10.0 kΩ
Resolution
(data length)
— — 10 bit
Nonlinearity
error
—— ±3.5 LSB
AV
CC
= 2.7 V to 3.6 V
V
CC
= 2.7 V to 3.6 V
—— ±5.5 AV
CC
= 2.0 V to 3.6 V
V
CC
= 2.0 V to 3.6 V
— — ±7.5 Except the above
*
4
Quantization
error
—— ±0.5 LSB
Absolute
accuracy
—
±2 ±4 LSB
AV
CC
= 2.7 V to 3.6 V
V
CC
= 2.7 V to 3.6 V
—
±2.5 ±6
AV
CC
= 2.0 V to 3.6 V
V
CC
= 2.0 V to 3.6 V
—
±3 ±8 Except the above
*
4
Conversion
time
12.4 — 124 µs AV
CC
= 2.7 V to 3.6 V
V
CC
= 2.7 V to 3.6 V
62 — 124 Except the above
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.
4. Conversion time: 62 µs