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ADC08131 Просмотр технического описания (PDF) - National ->Texas Instruments

Номер в каталогеADC08131 National-Semiconductor
National ->Texas Instruments National-Semiconductor
Компоненты Описание8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options, Voltage Reference, and Track/Hold Function
ADC08131 Datasheet PDF : 22 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Electrical Characteristics (Continued)
The following specifications apply for VCC = +5 VDC, VREF = +2.5 VDC and fCLK = 1 MHz unless otherwise specified. Boldface
limits apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ = 25˚C.
Symbol
Parameter
Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
(Limits)
DIGITAL AND DC CHARACTERISTICS
ISINK
Output Sink Current
Supply Current
VOUT = VCC
8.0
mA (min)
ICC
ADC08134, ADC08138
CS = HIGH
ADC08131 (Note 16)
3.0
mA (max)
6.0
mA (max)
Electrical Characteristics
The following specifications apply for VCC = +5 VDC, and fCLK = 1 MHz unless otherwise specified. Boldface limits apply for
TA = TJ = TMIN to TMAX; all other limits TA = TJ = 25˚C.
Symbol
Parameter
Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
(Limits)
REFERENCE CHARACTERISTICS
VREFOUT
Output Voltage
DC08134, ADC08138
2.5
±2%
2.5 ±1.5%
V
VREF/T Temperature Coefficient
Sourcing
(0 IL +4 mA)
ADC08134,
ADC08138
40
ppm/˚C
0.003
0.1
VREF/IL Load Regulation (Note 17)
Sourcing
(0 IL +2 mA)
ADC08131
Sinking
(−1 IL 0 mA)
ADC08134,
ADC08138
0.003
0.1
0.2
0.5
%/mA
(max)
Sinking
(−1 IL 0 mA)
ADC08131
0.2
0.5
Line Regulation
ISC
Short Circuit Current
4.75V VCC 5.25V
0.5
VREF = 0V
ADC08134,
8
ADC08138
VREF = 0V
8
ADC08131
6
mV (max)
25
mA
(max)
25
TSU
Start-Up Time
VCC: 0V 5V
20
CL = 100 µF
VREF/t
Long Term Stability
200
ms
ppm/1 kHr
Electrical Characteristics
The following specifications apply for VCC = +5 VDC, VREF = +2.5 VDC and tr = tf = 20 ns unless otherwise specified. Boldface
limits apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ = 25˚C.
Symbol
Parameter
Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
(Limits)
fCLK
Clock Frequency
10
kHz (min)
1
MHz (max)
Clock Duty Cycle
40
% (min)
(Note 14)
60
% (max)
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