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ADC128S102 Fiches technique(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
No de pièce ADC128S102
Description  8-Channel, 500 kSPS to 1 MSPS, 12-Bit A/D Converter
Download  18 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

ADC128S102 Fiches technique(HTML) 5 Page - National Semiconductor (TI)

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ADC128S102 Converter Electrical Characteristics (Note 8) (Continued)
The following specifications apply for AGND = DGND = 0V, f
SCLK = 8 MHz to 16 MHz, fSAMPLE = 500 kSPS to 1 MSPS, CL =
50pF, unless otherwise noted. Boldface limits apply for T
A =TMIN to TMAX: all other limits TA = 25˚C.
Symbol
Parameter
Conditions
Typical
Limits
(Note 7)
Units
ANALOG INPUT CHARACTERISTICS
DIGITAL OUTPUT CHARACTERISTICS
V
OH
Output High Voltage
I
SOURCE = 200 µA,
V
A =VD = +2.7V to +5.25V
V
D − 0.5
V (min)
V
OL
Output Low Voltage
I
SINK = 200 µA to 1.0 mA,
V
A =VD = +2.7V to +5.25V
0.4
V (max)
I
OZH,IOZL
Hi-Impedance Output Leakage
Current
V
A =VD = +2.7V to +5.25V
±1
µA (max)
C
OUT
Hi-Impedance Output Capacitance
(Note 8)
2
4
pF (max)
Output Coding
Straight (Natural) Binary
POWER SUPPLY CHARACTERISTICS (C
L =10pF)
V
A,VD
Analog and Digital Supply Voltages
V
A
≥ V
D
2.7
V (min)
5.25
V (max)
I
A +ID
Total Supply Current
Normal Mode ( CS low)
V
A =VD = +2.7V to +3.6V,
f
SAMPLE = 1 MSPS, fIN =40kHz
0.76
1.5
mA (max)
V
A =VD = +4.75V to +5.25V,
f
SAMPLE = 1 MSPS, fIN =40kHz
2.13
3.1
mA (max)
Total Supply Current
Shutdown Mode (CS high)
V
A =VD = +2.7V to +3.6V,
f
SCLK = 0 kSPS
20
nA
V
A =VD = +4.75V to +5.25V,
f
SCLK = 0 kSPS
50
nA
P
C
Power Consumption
Normal Mode ( CS low)
V
A =VD = +3.0V
f
SAMPLE = 1 MSPS, fIN =40kHz
2.3
4.5
mW (max)
V
A =VD = +5.0V
f
SAMPLE = 1 MSPS, fIN =40kHz
10.7
15.5
mW (max)
Power Consumption
Shutdown Mode (CS high)
V
A =VD = +3.0V
f
SCLK = 0 kSPS
0.06
µW
V
A =VD = +5.0V
f
SCLK = 0 kSPS
0.25
µW
AC ELECTRICAL CHARACTERISTICS
f
SCLKMIN
Minimum Clock Frequency
V
A =VD = +2.7V to +5.25V
0.8
8
MHz (min)
f
SCLK
Maximum Clock Frequency
V
A =VD = +2.7V to +5.25V
16
MHz (max)
f
S
Sample Rate
Continuous Mode
V
A =VD = +2.7V to +5.25V
50
500
kSPS (min)
1
MSPS (max)
t
CONVERT
Conversion (Hold) Time
V
A =VD = +2.7V to +5.25V
13
SCLK cycles
DC
SCLK Duty Cycle
V
A =VD = +2.7V to +5.25V
30
40
% (min)
70
60
% (max)
t
ACQ
Acquisition (Track) Time
V
A =VD = +2.7V to +5.25V
3
SCLK cycles
Throughput Time
Acquisition Time + Conversion Time
V
A =VD = +2.7V to +5.25V
16
SCLK cycles
t
AD
Aperture Delay
V
A =VD = +2.7V to +5.25V
4
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