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參數(shù)資料
| 型號： | ADC12281 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 12-Bit, 20 MSPS Single-Ended Input, Pipelined A/D Converter(12位20 MSPS單端輸入管線式A/D轉(zhuǎn)換器) |
| 中文描述： | 12位，20 MSPS的單端輸入，流水線A / D轉(zhuǎn)換器（12位20 MSPS的單端輸入管線式的A / D轉(zhuǎn)換器） |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 322K |
| 代理商： | ADC12281 |
Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltages (V
A
, V
D
, V
D
I/O)
|V
A
–V
D
|
V
D
I/O–V
A
, V
D
I/O–V
D
Voltage on Any Input or Output Pin
Input Current at Any Pin (Note 3)
Package Input Current (Note 3)
Power Dissipation at T
A
= 25C
6.5V
≤
100 mV
≤
300 mV
0.3V to V
A
+0.3V
±
25 mA
±
50 mA
See (Note 4)
ESD Susceptibility
Human Body Model (Note 5)
Machine Model (Note 5)
Soldering Temperature, Infrared,
(10 sec.) (Note 6)
Storage Temperature
2500V
250V
300C
65C to +150C
Operating Ratings
(Notes 1, 2)
Operating Temperature Range
Supply Voltage (V
A
, V
D
)
Output Driver Supply Voltage (V
D
I/O)
V
REF
Input
CLOCK, CAL, PD, OE
Ground Difference |AGND–DGND|
40C
≤
T
A
≤
+85C
+4.75V to +5.25V
+2.7V to V
D
1.8V to 2.2V
0.05V to V
D
+0.05V
≤
100 mV
Converter Electrical Characteristics
The following specifications apply for AGND = DGND = DGND I/O = 0V, V
= V
= V
I/O = +5V, PD = +5V, V
REF
= +2.0V,
f
= 20 MHz, 3 V
P-P
at 50% duty cycle, C
= 25 pF/pin. After Auto-Cal.
Boldface limits apply for T
A
= T
J
= T
MIN
to T
MAX
;
all other limits T
A
= T
J
= 25C (Notes 7, 8, 9).
Symbol
Parameter
Conditions
Typical
(Note 10)
Limits
(Note 11)
Units
(Limits)
STATIC CONVERTER CHARACTERISTICS
Resolution with No Missing Codes
INL
Integral Non-Linearity
DNL
Differential Non-Linearity
Full-Scale Error
Zero Error
DYNAMIC CONVERTER CHARACTERISTICS
BW
Full Power Bandwidth
SNR
Signal-to-Noise Ratio
SINAD
Signal-to-Noise and Distortion
ENOB
Effective Number of Bits
THD
Total Harmonic Distortion
SFDR
Spurious Free Dynamic Range
REFERENCE AND ANALOG INPUT CHARACTERISTICS
V
IN
Input Voltage Range
12
±
2.5
±
0.9
±
10
±
17
Bits (min)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
±
1.0
±
0.35
+3
+7
100
65.5
65
10.5
76
75
MHz
dB (min)
dB (min)
Bits (min)
dB
dB
f
IN
= 4.43 MHz, V
IN
= 2.0 V
P-P
f
IN
= 4.43 MHz, V
IN
= 2.0 V
P-P
f
IN
= 4.43 MHz, V
IN
= 2.0 V
P-P
f
IN
= 4.43 MHz, V
IN
= 2.0 V
P-P
f
IN
= 4.43 MHz, V
IN
= 2.0 V
P-P
62.5
62
10
V
REF
V (max)
pF
pF
V (min)
V (max)
μA
M
C
IN
V
IN
Input Capacitance
(CLK LOW)
(CLK HIGH)
10
15
V
REF
Reference Voltage (Note 14)
2.00
1.8
2.2
Reference Input Leakage Current
Reference Input Resistance
10
1
DC and Logic Electrical Characteristics
The following specifications apply for AGND = DGND = DGND I/O = 0V, V
= V
= V
I/O = +5V, PD = +5V, V
REF
= +2.0V,
f
= 20 MHz, 3 V
P-P
at 50% duty cycle, C
= 25 pF/pin. After Auto-Cal.
Boldface limits apply for T
A
= T
J
= T
MIN
to T
MAX
;
all other limits T
A
= T
J
= 25C (Notes 7, 8, 9).
Symbol
Parameter
Conditions
Typical
(Note 10)
Limits
(Note 11)
Units
(Limits)
CLOCK, CAL, PD, OE DIGITAL INPUT CHARACTERISTICS
V
IH
Logical “1” Input Voltage
V
IL
Logical “0” Input Voltage
I
IH
Logical “1” Input Current
I
IL
Logical “0” Input Current
C
IN
Logic Input Capacitance
V
D
= 5.25V
V
D
= 4.75V
V
IN
= 5.0V
V
IN
= 0V
2.0
0.8
V (min)
V (max)
μA
μA
pF
10
10
8
A
www.national.com
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