cxp85452 Sony Electronics, cxp85452 Datasheet - Page 15

• Manufacturer Part Number: cxp85452
• Description: Cmos 8-bit Single Chip Microcomputer
• Manufacturer: Sony Electronics

(3) A/D converter characteristics
Fig. 5. Definitions for A/D converter terms
Resolution
Linearity error
Zero transition
voltage
Full-scale transition
voltage
Conversion time
Sampling time
Analog input voltage
FE
FF
01
00
H
H
H
H
Item
V
ZT
Analog input
Symbol
Linearity error
V
V
t
t
V
CONV
SAMP
ZT
FT
IAN
∗
∗
1
2
AN0 to AN3
Pin
V
FT
∗
∗
∗
1
2
3
Ta = 25°C
V
Vss = 0V
DD
V
V
f
(CKS) of the A/D control registor (ADC: 00F6
(PCK1) and 6 (PCK0) of the clock control registor (CLC: 00FE
ADC
PCK1, 0
ZT
FT
00 (φ = f
01 (φ = f
11 (φ = f
Condition
= 5.0V
– 15 –
: Digital conversion values change between 00
: Digital conversion values change between 0E
indicates the below values due to the contents of bit 6
(Ta = –20 to +75°C, V
EX
EX
EX
/2)
/4)
/16)
CKS
160/f
0 (φ/2 selection)
12/f
4910
Min.
f
–50
f
f
ADC
ADC
ADC
ADC
0
ADC
= f
∗
= f
= f
∗
DD
3
3
C
C
C
= 4.5 to 5.5V, Vss = 0V reference)
/16
/2
/4
4970
Typ.
10
1 (φ selection)
f
f
ADC
ADC
f
ADC
= f
= f
H
= f
) and the bits 7
5030
Max.
CXP85452/85460
C
C
V
±3
70
C
/2
/8
8
DD
H
H
← →01
← →0F
LSB
Unit
Bits
mV
mV
µs
µs
H
V
H
.
.
H
)