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參數(shù)資料
| 型號： | ADC14071CIVBH |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | 14-Bit, 7 MSPS, 380 mW A/D Converter |
| 中文描述： | 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48 |
| 封裝： | TQFP-48 |
| 文件頁數(shù)： | 5/18頁 |
| 文件大?。?/td> | 427K |
| 代理商： | ADC14071CIVBH |
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 Voltage
(V
+
= V
A
= V
D
= DR V
D
)
V
A
DR V
D
, V
D
DR V
D
Voltage on Any I/O Pin
Input Current at Pins 1, 45 and
47(Note 3)
Input Current at Any Other Pin (Note
3)
6.0V
≥
0V
0.5V to V
+
+0.5V
±
10 mA
±
25 mA
Package Input Current (Note 3)
Power Dissipation at T
A
= 25C
ESD Susceptibility (Note 5)
Human Body Model
Machine Model
±
50 mA
See (Note 4)
1500V
200V
Soldering Temperature, Infrared,
10 seconds (Note 6)
Storage Temperature
300C
65C to +150C
Operating Ratings
(Notes 1, 2)
Operating Temperature Range
V
A
, V
D
DR V
D
V
REF
Digital Inputs
Analog Inputs
|V
A
V
D
|
|AGND DGND|
40C
≤
T
A
≤
+85C
+4.75V to +5.25V
2.7V to V
D
1.0V to 2.7V
0.3V to V
D
+ 0.3V
0.3V to V
A
+ 0.3V
≤
100 mV
0V to 100 mV
Converter Electrical Characteristics
The following specifications apply for AGND = DGND = DR GND = 0V, V
= V
D
= +5.0V
, DR V
= 3.0V or 5.0V, PD = 0V,
V
= +2.0V, V
IN
(common mode) = 1.0V, f
= 7 MHz
@
50% duty cycle, t
r
, t
r
= 4ns, C
L
= 20 pF/pin.
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
STATIC CONVERTER CHARACTERISTICS
Resolution with No Missing Codes
INL
Integral Non-Linearity (note 12)
14
Bits (min)
LSB
±
2.2
DNL
Differential Non-Linearity
±
0.6
+1.0
0.85
LSB (max)
FSE
Positive and Negative Full-Scale
Error
Full-Scale Error Tempco
Zero Offset Error
Zero Offset Error Tempco
REFERENCE AND ANALOG INPUT CHARACTERISTICS
25C
0.9
2.3
%FS
TC FSE
ZSE
TC ZSE
5
0.1
0.6
ppm/C
%FS
ppm/C
25C
V
REF
Reference Voltage Range
2.00
1.0
2.7
V(min)
V(max)
Ohms
pF
V(min)
V(max)
pF
pF
R
R
C
R
Reference Input Resistance
Reference Input Capacitance
10M
5
V
IN
Input Voltage Range (V
IN
+
V
IN
)
V
IN
(common Mode) = V
REF
/2
±
2.0
±
1.0
±
2.7
C
IN
V
IN
+
, V
IN
Input Capacitance
V
IN
= 1.0V+0.7 Vrms
(CLK LOW)
(CLK HIGH)
14
5
DYNAMIC CONVERTER CHARACTERISTICS
BW
Full Power Bandwidth
1 dB
3 dB
f
IN
= 500 kHz
f
IN
= 3.5 MHz
f
IN
= 500 kHz
f
IN
= 3.5 MHz
f
IN
= 500 kHz
f
IN
= 3.5 MHz
f
IN
= 500 kHz
f
IN
= 3.5 MHz
20
25
12.6
12.0
77
74
80
77
83
79
MHz
MHz
ENOB
Effective Number of Bits
12.0
Bits (min)
Bits
dB (min)
dB
dB (min)
dB
dB (min)
dB
SINAD
Signal-to-Noise and Distortion
74
SNR
Signal -to-Noise Ratio (Note 13)
78
THD
Total Harmonic Distortion
76
A
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