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)： 6/18頁
文件大?。?/td> 427K
代理商： ADC14071CIVBH
Converter Electrical Characteristics
(Continued)
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
DYNAMIC CONVERTER CHARACTERISTICS
SFDR
Spurious Free Dynamic Range
f
IN
= 500 kHz
f
IN
= 3.5 MHz
f
IN1
= 95 kHz
f
IN2
= 105 kHz
90
81
dB
dB
IMD
Intermodulation Distortion
97
dB
DC and Logic 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
CLK
= 7 MHz
@
50% duty cycle, t
r
, t
r
= 4ns, C
L
= 20 pF/pin.
Boldface limits ap-
ply 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
CLOCK OE, PD 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
V
IN
Input Capacitance
D00 – D13 DIGITAL OUTPUT CHARACTERISTICS
V
+
= 5.25V
V
+
= 5.25V
V
IN
= 5.0V
V
IN
= 0V
2.0
0.8
V(min)
V(max)
μA
μA
pF
1
1
5
V
OH
Logical “1” Output Voltage
DR V
D
= 4.75V, I
OUT
= 360 μA
DR V
D
= 2.7V, I
OUT
= 360 μA
DR V
D
= 4.75V, I
OUT
= 1.6 mA
DR V
D
= 2.7V, I
OUT
= 1.6 mA
V
OUT
= 3V or 5V
V
OUT
= 0V
4.5
2.5
0.4
0.4
V(min)
V(min)
V(max)
V(max)
nA
nA
V
OL
Logical “0” Output Voltage
I
OZ
TRI-STATE Output Current
100
100
+I
SC
Output Short Circuit Source
Current
Output Short Circuit Sink
Current
POWER SUPPLY CHARACTERISTICS
I
A
Analog Supply Current
I
D
+ I
DR
Digital Supply Current
DR V
D
= 3V, V
OUT
= 0V
10
mA
I
SC
V
OUT
= DR V
D
= 3V
12
mA
PD = DGND
PD = DGND, no output load, dc input
PD = DGND, no output load, dc input
PD = DR V
D
, no output load, dc input
Change in FS Error with 0.5V change in V
A
250 mV
PP
100 kHz riding on V
A
75.7
0.3
380
20
70
46
81
2
425
mA(max)
mA(max)
mW(max)
mW
dB
dB
Total Power Consumption
PSRR
Power Supply Rejection
Ratio
AC 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
f
= 4 ns, 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)
25
8
45
55
Limits
(Note 11)
Units
f
CLK
Conversion Clock Frequency
7
kHz(min)
MHz(max)
%(min)
%(max)
Conversion Clock Duty Cycle
A
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