cxp86460 Sony Electronics, cxp86460 Datasheet - Page 17

• Manufacturer Part Number: cxp86460
• Description: Cmos 8-bit Single Chip Microcomputer
• Manufacturer: Sony Electronics

(3) A/D converter
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
FEh
FFh
01h
00h
Item
V
ZT
Symbol
V
V
t
t
V
CONV
SAMP
Analog input
ZT
FT
IAN
Linearity error
∗
∗
1
2
AN0 to AN5
Pins
V
FT
Ta = 25°C
V
Vss = 0V
DD
∗
∗
∗
Conditions
1
2
3
= 5.0V
– 17 –
V
from 00h to 01h and vice versa.
V
from FEh to FFh and vice versa.
f
6 (CKS) of the A/D control register (ADC: 00F6h):
f
ADC
ADC
ZT
FT
(Ta = –20 to +75°C, V
: Value at which the digital conversion value changes
: Value at which the digital conversion value changes
indicates the below values due to the contents of bit
= fc (CKS = “0”), fc/2 (CKS = “1”)
CXP86212/86216, CXP86324/86332, CXP86440/86448/86460
26/f
6/f
4910
Min.
–10
ADC
ADC
0
∗
∗
DD
3
3
= 4.5 to 5.5V, Vss = 0V reference)
4970
Typ.
10
5030
Max.
V
±3
70
8
DD
LSB
Unit
Bits
mV
mV
µs
µs
V