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ADC082S021EVAL bảng dữ liệu(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
tên linh kiện ADC082S021EVAL
Giải thích chi tiết về linh kiện  2 Channel, 200 KSPS, 8-Bit A/D Converter
PDF  19 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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ADC082S021EVAL bảng dữ liệu(HTML) 4 Page - National Semiconductor (TI)

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ADC082S021 Converter Electrical Characteristics (Note 9) (Continued)
The following specifications apply for V
A = +2.7V to 5.25V, GND = 0V, fSCLK = 0.8 MHz to 3.2 MHz,
f
SAMPLE = 50 kSPS to 200 kSPS, CL = 50 pF, unless otherwise noted. Boldface limits apply for TA =TMIN to TMAX: all other
limits T
A = 25˚C.
Symbol
Parameter
Conditions
Typical
Limits
(Note 7)
Units
ANALOG INPUT CHARACTERISTICS
V
IN
Input Range
0 to V
A
V
I
DCL
DC Leakage Current
±1
µA (max)
C
INA
Input Capacitance
Track Mode
33
pF
Hold Mode
3
pF
DIGITAL INPUT CHARACTERISTICS
V
IH
Input High Voltage
V
A = +5.25V
2.4
V (min)
V
A = +3.6V
2.1
V (min)
V
IL
Input Low Voltage
0.8
V (max)
I
IN
Input Current
V
IN =0VorVIN =VA
±10
µA (max)
C
IND
Digital Input Capacitance
2
4
pF (max)
DIGITAL OUTPUT CHARACTERISTICS
V
OH
Output High Voltage
I
SOURCE = 200 µA
V
A − 0.03
V
A − 0.5
V (min)
I
SOURCE =1mA
V
A − 0.1
V
OL
Output Low Voltage
I
SINK = 200 µA
0.03
0.4
V (max)
I
SINK =1mA
0.1
I
OZH,
I
OZL
TRI-STATE® Leakage Current
±0.01
±1
µA (max)
C
OUT
TRI-STATE® Output Capacitance
2
4
pF (max)
Output Coding
Straight (Natural) Binary
POWER SUPPLY CHARACTERISTICS (C
L =10pF)
V
A
Analog Supply Voltage
2.7
V (min)
5.25
V (max)
I
A
Supply Current, Normal Mode
(Operational, CS low)
V
A = +5.25V,
f
SAMPLE = 200 kSPS, fIN =40kHz
1.1
1.7
mA (max)
V
A = +3.6V,
f
SAMPLE = 200 kSPS, fIN =40kHz
0.45
0.8
mA (max)
Supply Current, Shutdown (CS high)
V
A = +5.25V,
f
SAMPLE = 0 kSPS
200
nA
V
A = +3.6V,
f
SAMPLE = 0 kSPS
200
nA
P
D
Power Consumption, Normal Mode
(Operational, CS low)
V
A = +5.25V
5.8
8.9
mW (max)
V
A = +3.6V
1.6
2.9
mW (max)
Power Consumption, Shutdown (CS
high)
V
A = +5.25V
1.05
µW
V
A = +3.6V
0.72
µW
AC ELECTRICAL CHARACTERISTICS
f
SCLK
Maximum Clock Frequency
(Note 8)
0.8
MHz (min)
3.2
MHz (max)
f
S
Sample Rate
(Note 8)
50
kSPS (min)
200
kSPS (max)
t
CONV
Conversion Time
13
SCLK cycles
DC
SCLK Duty Cycle
f
SCLK = 3.2 MHz
50
30
% (min)
70
% (max)
t
ACQ
Track/Hold Acquisition Time
Full-Scale Step Input
3
SCLK cycles
Throughput Time
Acquisition Time + Conversion Time
16
SCLK cycles
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