CXP82832 Sony Corporation, CXP82832 Datasheet - Page 18

• Manufacturer Part Number: CXP82832
• Description: CMOS 8-bit Single Chip Microcomputer
• Manufacturer: Sony Corporation

(3) A/D converter characteristics
Fig. 6. Definition of A/D converter terms
Resolution
Linearity error
Zero transition
voltage
Full-scale
transition voltage
Conversion time
Sampling time
Reference input voltage
Analog input voltage
AV
FF
FE
01
00
REF
H
H
H
H
current
V
Item
ZT
Analog input
Linearity error
Symbol
V
V
t
t
V
V
I
I
REF
CONV
SAMP
REFS
ZT 1
FT 2
REF
IAN
(Ta = –20 to +75°C, V
AV
AN0 to AN7
AV
REF
REF
Pin
V
FT
Ta = 25°C
V
V
Operation mode
SLEEP mode
STOP mode
32kHz operation mode
1
2
3
DD
SS
V
V
f
(CKS) of A/Dcontrol register (ADC: 00F9
and 6 (PCK0) of clock control register (CLC: 00FE
ADC
PCK1, PCK0
ZT
FT
00 ( = f
01 ( = f
11 ( = f
DD
= AV
= AV
Condition
: Value at which the digital conversion value changes
: Value at which the digital conversion value changes
from 00
from FE
= 4.5 to 5.5V, AV
indicates the below values due to the contents of bit 6
– 18 –
REF
SS
= 0V
EX
EX
EX
= 5.0V
/2)
/4)
/16)
H
H
to 01
to FF
CKS
160/f
H
V
12/f
REF
H
DD
and vice versa.
4910
and vice versa.
Min.
–10
f
f
f
ADC 3
0 ( /2 selection)
= 4.0 to V
0
ADC
ADC
ADC
– 0.5
ADC 3
= f
= f
= f
C
C
C
/2
/4
/16
DD
4970
, Vss = AV
Typ.
0.6
10
CXP82832/82840/82852/82860
H
) and bits 7 (PCK1)
f
f
f
ADC
ADC
ADC
1 ( selection)
SS
AV
= f
= f
= f
5030
= 0V reference)
Max.
V
±3
70
1.0
10
8
C
C
C
DD
REF
H
/2
/8
).
Unit
LSB
Bits
mV
mV
mA
µA
µs
µs
V
V