CXP81960 View Datasheet(PDF) - Sony Semiconductor
Part Name
Description
Manufacturer
CXP81960 Datasheet PDF : 27 Pages
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CXP81952/81960
(4) A/D converter characteristics (Ta = –20 to +75°C, VDD = AVDD = 4.5 to 5.5V, AVREF = 4.0 to AVDD, Vss = AVSS = 0V)
Item
Symbol Pins
Conditions
Min.
Typ.
Resolution
Linearity error
Absolute error
Conversion time
Sampling time
tCONV
tSAMP
Ta = 25°C
VDD = AVDD = AVREF = 5.0V
VSS = AVSS = 0V
160/fADC∗
12/fADC∗
Reference input voltage VREF
AVREF VDD = AVDD = 4.5 to 5.5V AVDD – 0.5
Analog input voltage
VIAN AN0 to AN11
0
IREF
Operating mode
0.6
AVREF current
IREFS
AVREF
SLEEP mode
STOP mode
32kHz operating mode
Max. Unit
8 Bits
±1 LSB
±2 LSB
µs
µs
AVDD V
V
1.0 mA
10 µA
(Ta = –20 to +75°C, VDD = AVDD = 3.0 to 3.6V, AVREF = 2.7 to AVDD, Vss = AVSS = 0V)
Item
Symbol
Pins
Conditions
Min. Typ.
Resolution
Linearity error
Absolute error
Conversion time
Sampling time
tCONV
tSAMP
Ta = 25°C
VDD = AVDD = AVREF = 5.0V
VSS = AVSS = 0V
160/fADC∗
12/fADC∗
Reference input voltage VREF
AVREF
VDD = AVDD = 3.0 to 3.6V AVDD – 0.3
Analog input voltage
VIAN AN0 to AN11
0
IREF
Operating mode
0.4
AVREF current
IREFS
AVREF
SLEEP mode
STOP mode
32kHz operating mode
Max. Unit
8 Bits
±1 LSB
±2 LSB
µs
µs
AVDD V
0.7 mA
10 µA
Fig. 7. Definitions of A/D converter terms
FFH
FEH
01H
00H
VZT
Linearity error
∗ The value of fADC is as follows by selecting ADC
operation clock (MSC: Address 01FFH bit 0).
When PS2 is selected, fADC = fc/2
When PS1 is selected, fADC = fc
VFT
Analog input
– 23 –
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