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