CXP84124 Sony Corporation, CXP84124 Datasheet - Page 16

• Manufacturer Part Number: CXP84124
• Description: CMOS 8-bit Single Chip Microcomputer
• Manufacturer: Sony Corporation

(3) A/D converter characteristics
Resolution
Linearity error
Zero transition voltage
Full-scale transition
voltage
Conversion time
Sampling time
Reference input voltage
Analog input voltage
AV
REF
FF
FE
01
00
current
H
H
H
H
Item
V
ZT
(Ta = –20 to +75°C, V
Analog input
Linearity error
Symbol
V
V
t
t
V
V
I
I
REF
REFS
CONV
SAMP
ZT 1
FT 2
REF
IAN
Fig. 6. Definition of A/D converter terms
AV
AN0 to AN7
AV
REF
REF
Pin
V
FT
DD
= 4.5 to 5.5V, AV
1
2
3
Operation mode
Sleep mode
Stop mode
32kHz operation mode
Ta = 25°C
V
V
DD
SS
clock selection.
V
V
f
ADC
ZT
FT
– 16 –
= AV
= 5.0V
During PS2 selection, f
During PS1 selection, f
: Value at which the digital conversion value changes
: Value at which the digital conversion value changes
Condition
indicates the below values due to ADC operation
from 00
from FE
SS
= 0V
H
REF
H
to 01
to FF
= 4.0 to AV
H
H
and vice versa.
160/f
and vice versa.
V
12/f
DD
4930
Min.
–10
ADC
ADC
ADC 3
0
– 0.5
ADC 3
DD
= fc/2
= fc
, Vss = AV
5050
Typ.
0.6
70
SS
= 0V reference)
CXP84120/84124
AV
5120
Max.
150
V
1.0
±5
10
8
DD
REF
LSB
Unit
Bits
mV
mV
mA
µA
µs
µs
V
V