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參數(shù)資料
| 型號： | ADC12048EVAL |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 12-Bit Plus Sign 216 kHz 8-Channel Sampling Analog-to-Digital Converter |
| 中文描述： | 12位帶符號216 kHz的8聲道采樣模擬到數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 5/30頁 |
| 文件大小： | 635K |
| 代理商： | ADC12048EVAL |
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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
A
+ and V
D
+)
Voltage at all Inputs
|V
A
+ V
D
+|
|AGND DGND|
Input Current at Any Pin (Note 3)
Package Input Current (Note 3)
Power Dissipation (Note 4)
at T
A
= 25C
Storage Temperature
6.0V
0.3V to V
+
+ 0.3V
300 mV
300 mV
±
30 mA
±
120 mA
875 mW
65C to +150C
Lead Temperature
VF Package
Vapor Phase (60 sec.)
Infared (15 sec.)
V Package, Infared (15 sec.)
ESD Susceptibility (Note 5)
210C
220C
300C
3.0 kV
Operating Ratings
(Notes 1, 2, 6, 7, 8, 9)
Temperature Range
(T
min
≤
T
A
≤
T
max
)
Supply Voltage
V
A
+, V
D
+
|V
A
+ V
D
+|
|AGND DGND|
V
IN
Voltage Range
at all Inputs
V
REF
+ Input Voltage
V
REF
Input Voltage
V
REF
+ V
REF
V
Common Mode
(Note 16)
40C
≤
T
A
≤
85C
4.5V to 5.5V
≤
100 mV
≤
100 mV
GND
≤
V
IN
≤
V
A
+
1V
≤
V
REF
+
≤
V
A
+
0
≤
V
REF
≤
V
REF
+ 1V
1V
≤
V
REF
≤
V
A
+
0.1 V
A
+
≤
V
REFCM
≤
0.6 V
A
+
Converter DC Characteristics
The following specifications apply to the ADC12048 for V
+ = V
D
+ = 5V, V
REF
+ = 4.096V, V
= 0.0V, 12-bit + sign conver-
sion mode, f
= 12.0 MHz, R
= 25
, source impedance for V
+ and V
≤
1
, fully differential input with fixed 2.048V
common-mode voltage (V
), and minimum acquisition time, unless otherwise specified.
Boldface limits apply for T
A
= T
J
= T
MIN
to T
MAX
;
all other limits T
A
= T
J
= 25C
Symbol
Parameter
Conditions
Typical
(Note 10)
Limits
(Note 11)
13
Unit
(Limit)
Bits (max)
Resolution with No Missing
Codes
Integral Linearity Error
After Auto-Cal
ILE
After Auto-Cal
(Notes 12, 17)
±
0.6
±
1
LSB (max)
DNL
Differential Non-Linearity
Zero Error
After Auto-Cal
After Auto-Cal (Notes 13, 17)
V
INCM
= 5.0V
V
INCM
= 2.048V
V
INCM
= 0V
After Auto-Cal (Notes 12, 17)
After Auto-Cal (Notes 12, 17)
After Auto-Cal (Note 14)
After Auto-Cal (Note 18)
±
1
LSB (max)
±
5.5
±
2.5
±
5.5
±
2.5
±
2.5
±
5.5
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB
Positive Full-Scale Error
Negative Full-Scale Error
DC Common Mode Error
Total Unadjusted Error
±
1.0
±
1.0
±
2
±
1
TUE
Power Supply Characteristics
The following specifications apply to the ADC12048 for V
+ = V
D
+ = 5V, V
REF
+ = 4.096V, V
= 0.0V, 12-bit + sign conver-
sion mode, f
= 12.0 MHz, R
= 25
, source impedance for V
+ and V
≤
1
, fully differential input with fixed 2.048V
common-mode voltage, and minimum acquisition time, unless otherwise specified.
Boldface limits apply for T
A
= T
J
= T
MIN
to T
MAX
;
all other limits T
A
= T
J
= 25C
Symbol
Parameter
Conditions
Typical
(Note 10)
Limits
(Note 11)
Unit
(Limit)
PSS
Power Supply Sensitivity
Zero Error
Full-Scale Error
Linearity Error
V
D
+ = V
A
+ = 5.0V
±
10% (Note 15)
V
REF
+ = 4.096V
V
REF
= 0V
±
0.1
±
0.5
±
0.1
LSB
LSB
LSB
A
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