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ADC081S051 View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
ADC081S051 Single Channel, 500 kSPS, 8-Bit A/D Converter National-Semiconductor
National ->Texas Instruments National-Semiconductor
ADC081S051 Datasheet PDF : 13 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ADC081S051 Converter Electrical Characteristics (Note 9) (Continued)
The following specifications apply for VA = +2.7V to 5.25V, GND = 0V, fSCLK = 4 MHz to 10 MHz,
fSAMPLE = 200 kSPS to 500 kSPS, unless otherwise noted. Boldface limits apply for TA = TMIN to TMAX: all other limits TA =
25˚C.
Symbol
Parameter
Conditions
Typical
Limits
(Note 9)
Units
ANALOG INPUT CHARACTERISTICS
VIN
IDCL
CINA
Input Range
DC Leakage Current
Input Capacitance
Track Mode
Hold Mode
0 to VA
±1
30
4
V
µA (max)
pF
pF
DIGITAL INPUT CHARACTERISTICS
VIH
Input High Voltage
VIL
Input Low Voltage
IIN
Input Current
CIND
Digital Input Capacitance
DIGITAL OUTPUT CHARACTERISTICS
VA = +5.25V
VA = +5.25V
VA = +3.6V
VIN = 0V or VA
2.4
V (min)
0.8
V (max)
0.4
V (max)
±0.1
±1
µA (max)
2
4
pF (max)
VOH
VOL
IOZH,
IOZL
COUT
Output High Voltage
Output Low Voltage
TRI-STATE® Leakage Current
TRI-STATE® Output Capacitance
Output Coding
ISOURCE = 200 µA
ISOURCE = 1 mA
ISINK = 200 µA
ISINK = 1 mA
VA − 0.03
VA − 0.1
0.03
0.1
VA − 0.2
0.4
V (min)
V
V (max)
V
±0.1
±10
µA (max)
2
4
pF (max)
Straight (Natural) Binary
POWER SUPPLY CHARACTERISTICS (CL = 10 pF)
VA
Supply Voltage
2.7
V (min)
5.25
V (max)
Supply Current, Normal Mode
(Operational, CS low)
IA
Supply Current, Shutdown (CS high)
Power Consumption, Normal Mode
(Operational, CS low)
PD
Power Consumption, Shutdown (CS
high)
AC ELECTRICAL CHARACTERISTICS
VA = +5.25V,
fSAMPLE = 200 kSPS
VA = +3.6V,
fSAMPLE = 200 kSPS
fSCLK= 0 MHz, VA = +5.25V
fSAMPLE = 0 kSPS
VA = +5.25V, fSCLK = 10MHz,
fSAMPLE = 0 kSPS
VA = +5.25V
VA = +3.6V
fSCLK = 0 MHz, VA = +5.25V
fSAMPLE = 0 kSPS
VA = +5.25V, fSCLK = 10 MHz,
fSAMPLE = 0 kSPS
2.0
2.4
mA (max)
0.8
1.0
mA (max)
0.5
µA
22
µA
10.5
12.6
mW (max)
2.9
3.6
mW (max)
2.6
µW
0.12
mW
fSCLK
Clock Frequency
(Note 8)
4
MHz (min)
10
MHz (max)
fS
Sample Rate
(Note 8)
50
200
kSPS (min)
500
kSPS (max)
tCONV
DC
Conversion Time
SCLK Duty Cycle
fSCLK = 10 MHz
16
SCLK cycles
40
% (min)
50
60
% (max)
tACQ
Track/Hold Acquisition Time
Throughput Time
Acquisition Time + Conversion Time
400
ns (max)
20
SCLK cycles
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