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ADC10221 Datasheet(HTML) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. ADC10221
Description  10-Bit, 15 MSPS, 98 mW A/D Converter with Internal Sample and Hold
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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ADC10221 Datasheet(HTML) 6 Page - National Semiconductor (TI)

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Converter Electrical Characteristics (Continued)
The following specifications apply for V
A = +5.0VDC,VD = 5.0VDC,VD I/O = 5.0VDC,VREF+ = +3.5VDC,VREF− = +1.5VDC,
C
L = 20pF, fCLK = 15 MHz, RS = 25Ω. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25˚C(Note 7)
Symbol
Parameter
Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
Reference and Analog Input Characteristics
R
REF
Reference Ladder
Resistance
1000
850
1150
Ω(min)
Ω(max)
V
REF+
Positive Reference Voltage
3.5
4.0
V(max)
V
REF
Negative Reference
Voltage
1.5
1.3
V(min)
(V
REF+) −
(V
REF −)
Total Reference Voltage
2.0
1.0
2.7
V(min)
V(max)
DC and Logic Electrical Characteristics
The following specifications apply for V
A = +5.0VDC,VD = +5.0VDC,VD I/O = 5.0VDC,VREF+ = +3.5VDC,VREF− = +1.5VDC,
C
L = 20 pF, fCLK = 15 MHz, RS = 25Ω. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25˚C (Note 7)
Symbol
Parameter
Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
CLK, OE, PD, Digital Input Characteristics
V
IH
Logical
″1″ Input Voltage
V
D = 5.5V
2.0
V(min)
V
IL
Logical
″0″ Input Voltage
V
D = 4.5V
1.0
V(max)
I
IH
Logical
″1″ Input Current
V
IH = VD
10
µA
I
IL
Logical
″0″ Input Current
V
IL = DGND
−10
µA
D00 - D13 Digital Output Characteristics
V
OH
Logical
″1″ Output
Voltage
V
D I/O = + 4.5V, IOUT = −0.5 mA
V
D I/O = + 2.7V, IOUT = −0.5 mA
4.0
2.4
V(min)
V(min)
V
OL
Logical
″0″ Output
Voltage
V
D I/O = + 4.5V, IOUT = 1.6 mA
V
D I/O = + 2.7V, IOUT = 1.6 mA
0.4
0.4
V(max)
V(max)
I
OZ
TRI-STATE Output
Current
V
OUT = DGND
V
OUT = VD
−10
10
µA
µA
I
OS
Output Short Circuit
Current
V
D I/O = 3V
±12
mA
V
D I/O = 5V
±25
mA
Power Supply Characteristics
I
A
Analog Supply Current
PD = LOW, Ref not included
PD = HIGH, Ref not included
14.5
0.5
16
mA(max)
I
D +
I
DI/O
Digital Supply Current
PD = LOW, Ref not included
PD = HIGH, Ref not included
5
0.2
6
mA(max)
P
D
Power Consumption
98
110
mW (max)
AC Electrical Characteristics
The following specifications apply for V
A = +5.0VDC,VD I/O = 5.0VDC,VREF+ = +3.5VDC,VREF− = +1.5VDC,fCLK = 15 MHz,
t
rc = tfc = 5 ns, RS = 25Ω.CL (data bus loading) = 20 pF, Boldface limits apply for TA = TMIN to TMAX: all other limits TA
= 25˚C(Note 7)
Symbol
Parameter
Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
(Limits)
f
CLK1
Maximum Clock Frequency
20
15
MHz(min)
f
CLK2
Minimum Clock Frequency
1
MHz(max)
t
CH
Clock High Time
23
ns(min
t
CL
Clock Low Time
23
ns(min)
Duty Cycle
50
45
55
%(min)
%(max)
Pipeliine Delay (Latency)
2.0
Clock Cycles
t
rc,tfc
Clock Input Rise and Fall Time
5
ns(max)
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