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CXP854P60
Resolution
Linearity error
Zero transition
voltage
Full-scale transition
voltage
Conversion time
Sampling time
Analog input voltage
VZT
∗1
VFT
∗2
tCONV
tSAMP
VIAN
AN0 to AN3
Ta = 25°C
VDD = 5.0V
Vss = 0V
–10
4910
160/fADC
∗3
12/fADC
∗3
0
10
4970
8
±1
70
5030
VDD
Bits
LSB
mV
mV
µs
µs
V
Item Symbol Pin Condition Min. Typ. Max. Unit
(5) A/D converter characteristics (Ta = –10 to +75°C, VDD = 4.5 to 5.5V, Vss = 0V)
Linearity error
VZT VFT
Analog input
FF
H
FEH
01H
00H
Digital conversion value
Fig. 8. Definitions for A/D converter terms
∗1
VZT: Digital conversion values change between 00H←→01H.
∗2
VFT: Digital conversion values change between 0EH←→0FH.
∗3
fADC indicates the below values due to the bit6 (CKS) of A/D
control registor (address: 00F6H) and the Bit 7 (PCK1) and
Bit 6 (PCK0) of clock control registor (address: 00FEH)
00 (φ = fEX/2)
01 (φ = fEX/4)
11 (φ = fEX/16)
f
ADC = fC/2
f
ADC = fC/4
fADC = fC/16
f
ADC = fC
CKS
PCK1, 0
0 (φ/2 selection) 1 (φ/2 selection)
fADC = fC/2
fADC = fC/8