Rev.2.00
May. 24, 2006
page 66 of 90
REJ03B0028-0200
3826 Group (A version)
Table 19 A/D converter characteristics (1)
(VCC = 2.7 to 5.5 V, VSS = AVSS = 0 V, Ta = –20 to 85°C, f(XIN) = 500 kHz to 10 MHz, in middle/high-speed mode unless otherwise noted)
8-bit A/D mode (when conversion mode selection bit (bit 0 of address 001416) is “1”)
Symbol
Parameter
Limits
Min.
Unit
Typ.
Max.
Test conditions
–
Resolution
Absolute accuracy
(excluding quantization error)
VCC = VREF = 2.7 to 5.5 V
Bits
LSB
35
150
8
±2
S
f(XIN) = 8 MHz
Conversion time
Ladder resistor
Reference power source input current
–
tCONV
RLADDER
IVREF
k
A
Table 21 D/A converter characteristics
(VCC = 2.7 to 5.5 V, VCC = VREF, VSS = AVSS = 0 V, Ta = –20 to 85°C, in middle/high-speed mode unless otherwise noted)
Symbol
Parameter
Limits
Min.
Unit
Typ.
Max.
Test conditions
–
Resolution
VCC = VREF = 5 V
VCC = VREF = 2.7 V
1
Bits
%
s
k
mA
3
2.5
8
1.0
2.0
Note: Using one D/A converter, with the value in the DA conversion register of the other D/A converter being “0016”, and excluding currents flowing through
the A/D resistance ladder.
(Note)
Setting time
Output resistor
–
tsu
RO
4
3.2
12
50
Absolute accuracy
Analog port input current
IIA
IVREF
Reference power source input current
100
200
5.0
VREF = 5 V
Table 20 A/D converter characteristics (2)
(VCC = 2.7 to 5.5 V, VSS = AVSS = 0 V, Ta = –20 to 85°C, f(XIN) = 500 kHz to 10 MHz, in middle/high-speed mode unless otherwise noted)
10-bit A/D mode (when conversion mode selection bit (bit 0 of address 001416) is “0”)
12.5
(Note)
Symbol
Parameter
Limits
Min.
Unit
Typ.
Max.
Test conditions
–
Resolution
Absolute accuracy
(excluding quantization error)
VCC = VREF = 2.7 to 5.5 V
Bits
LSB
35
150
10
±4
S
f(XIN) = 8 MHz
Conversion time
Ladder resistor
Reference power source input current
–
tCONV
RLADDER
IVREF
k
A
12
50
Analog port input current
IIA
A
100
200
5.0
VREF = 5 V
15.5
(Note)
Note: When the internal trigger is used in the middle-speed mode, the max. value of tCONV is 14
S.
Note: When the internal trigger is used in the middle-speed mode, the max. value of tCONV is 17
S.