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ADC08131 Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. ADC08131
Description  8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options, Voltage Reference, and Track/Hold Function
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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Electrical Characteristics (Continued)
The following specifications apply for V
CC = +5 VDC,VREF = +2.5 VDC and fCLK = 1 MHz unless otherwise specified. Bold-
face limits apply for T
A = 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
I
SINK
Output Sink Current
V
OUT = VCC
8.0
mA (min)
Supply Current
I
CC
ADC08134, ADC08138
CS = HIGH
3.0
mA (max)
ADC08131 (Note 16)
6.0
mA (max)
Electrical Characteristics
The following specifications apply for V
CC = +5 VDC, and fCLK = 1 MHz unless otherwise specified. Boldface limits apply for
T
A = TJ = TMIN to TMAX; all other limits TA = TJ = 25˚C.
Symbol
Parameter
Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
(Limits)
REFERENCE CHARACTERISTICS
V
REFOUT
Output Voltage
DC08134, ADC08138
2.5
±2%
2.5 ±1.5%
V
∆V
REF/∆T
Temperature Coefficient
40
ppm/˚C
∆V
REF/∆IL
Load Regulation (Note 17)
Sourcing
(0
≤ I
L ≤ +4 mA)
ADC08134,
ADC08138
0.003
0.1
%/mA
(max)
Sourcing
(0
≤ I
L ≤ +2 mA)
ADC08131
0.003
0.1
Sinking
(−1
≤ I
L ≤ 0 mA)
ADC08134,
ADC08138
0.2
0.5
Sinking
(−1
≤ I
L ≤ 0 mA)
ADC08131
0.2
0.5
Line Regulation
4.75V
≤ V
CC ≤ 5.25V
0.5
6
mV (max)
V
REF = 0V
mA
(max)
ADC08134,
8
25
I
SC
Short Circuit Current
ADC08138
V
REF = 0V
8
25
ADC08131
T
SU
Start-Up Time
V
CC:0V → 5V
20
ms
C
L = 100 µF
∆V
REF/∆t
Long Term Stability
200
ppm/1 kHr
Electrical Characteristics
The following specifications apply for V
CC = +5 VDC,VREF = +2.5 VDC and tr = tf = 20 ns unless otherwise specified. Boldface
limits apply for T
A = TJ = TMIN to TMAX; all other limits TA = TJ = 25˚C.
Symbol
Parameter
Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
(Limits)
f
CLK
Clock Frequency
10
kHz (min)
1
MHz (max)
Clock Duty Cycle
40
% (min)
(Note 14)
60
% (max)
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