SN8P2740 Series
ADC, OP-amp, Comparator 8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 119
Version 2.0
ADC CHARACTERISTIC
(All of voltages refer to Vss, Vdd = 5.0V, Fosc = 4MHz,Fcpu=1MHz,ambient temperature is 25
C unless otherwise note.)
PARAMETER
SYM.
DESCRIPTION
MIN.
TYP.
MAX.
UNIT
AIN0 ~ AIN7 input voltage
Vani
Vdd = 5.0V
0
-
Avrefh
V
ADC reference Voltage
Vref
2
-
-
V
*ADC enable time
Tast
Ready to start convert after set ADENB = “1”
100
-
-
us
*ADC current consumption
I
ADC
Vdd=5.0V
-
0.6
-
mA
Vdd=3.0V
-
0.4
-
mA
ADC Clock Frequency
F
ADCLK
VDD=5.0V
-
-
8M
Hz
VDD=3.0V
-
-
5M
Hz
ADC Conversion Cycle Time
F
ADCYL
VDD=2.4V~5.5V
64
-
-
1/F
ADCL
K
ADC Sampling Rate
(Set FADS=1 Frequency)
F
ADSMP
VDD=5.0V
-
-
125
K/sec
VDD=3.0V
-
-
80
K/sec
Differential Nonlinearity
DNL
VDD=5.0V , AVREFH=3.2V, F
ADSMP
=7.8K
±1
-
-
LSB
Integral Nonlinearity
INL
VDD=5.0V , AVREFH=3.2V, F
ADSMP
=7.8K
±2
-
-
LSB
No Missing Code
NMC
VDD=5.0V , AVREFH=3.2V, F
ADSMP
=7.8K
10
11
12
Bits
ADC offset Voltage
V
ADCoffset
Non-trimmed
-10
0
+10
mV
Trimmed
-2
0
+2
mV
“
*
” These parameters are for design reference, not tested.
OP AMP CHARACTERISTIC
(All of voltages refer to Vss, Vdd = 5.0V, Slow Mode , High Clock disable,ambient temperature is 25
C unless otherwise note.)
PARAMETER
SYM.
DESCRIPTION
MIN.
TYP.
MAX.
UNIT
*Supply Current
Iop
Unit Gain Buffer. Vdd=3V. OPP=Vss.
-
130
-
uA
Unit Gain Buffer. Vdd=5V. OPP=Vss.
-
150
-
uA
Common Mode Input Voltage
Range
Vcmr Vdd=5.0V
Vss-0.3
-
Vdd+0.3
V
Input Offset Voltage
Vos
Vcm=Vss
-3
-
+3
mV
Power Supply Rejection Ratio
PSRR Vcm=Vss
50
-
70
dB
Common Mode Rejection Ratio
CMRR Vcm=-0.3V~2.5V. Vdd=5V.
50
-
80
dB
Open-Loop Gain (Large Signal)
Aol
Vout=0.2V~Vdd-0.2V. Vcm=Vss.
90
110
-
dB
Maximum Output Voltage Swing Vol, Voh 0.5V output overdrive.
Vss+15mv
Vdd-15mv
V
Output Short Current
Isc
Unit Gain Buffer. Vo=Vss, Vdd=VPP=3V.
-17
-
+17
mA
Unit Gain Buffer. Vo=Vss, Vdd=VPP=5V.
-45
-
+45
mA
Output Slew Rate
Tosr
Vo = Vss to Vdd or Vdd to Vss.
3
-
5
us
“
*
” These parameters are for design reference, not tested.
COMPARATOR CHARACTERISTIC
(All of voltages refer to Vss, Vdd = 5.0V, Fosc = 4MHz,Fcpu=1MHz,ambient temperature is 25
C unless otherwise note.)
PARAMETER
SYM.
DESCRIPTION
MIN.
TYP.
MAX.
UNIT
Power Supply Range
Vcmp
2.0
5.5
V
Supply Current
Icm
Vdd=3V. Internal reference disables.
70
uA
Vdd=5V. Internal reference disables.
70
uA
Quiescent Current
Iq
Iout=0
0.3
0.6
1
uA
Input Offset Voltage
Vos
Vcm=Vss
-5
+5
mV
Response Time
Trs
Positive input voltage = 1/2*Vdd. Negative input
voltage transitions from Vss to Vdd.
100
ns
Output Slew Rate
Tosr
Comparator output voltage
transitions from Vss to Vdd.
Vdd=3V
100
ns
Vdd=5V
100
ns
Comparator output voltage
transitions from Vdd to Vss.
Vdd=3V
100
ns
Vdd=5V
100
ns
Common Mode Input Voltage
Range
Vcmr Vdd=5.0V
Vss+0.5
Vdd-0.5
V
“
*
” These parameters are for design reference, not tested.