參數(shù)資料
型號： LM4121AI-4.1
廠商： National Semiconductor Corporation
元件分類： 串行ADC
英文描述： Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
中文描述： 自校準(zhǔn)12位帶符號串行I /辦公自動化/ D轉(zhuǎn)換器MUX和采樣/保持
文件頁數(shù)： 5/41頁
文件大?。?/td> 1152K
代理商： LM4121AI-4.1
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.
Positive Supply Voltage
(V
+
= V
A
+ = V
D
+)
Voltage at Inputs and Outputs
except CH0–CH7 and COM
Voltage at Analog Inputs
CH0–CH7 and COM
6.5V
0.3V to V
+
+0.3V
GND 5V to V
+
+5V
|V
A
+ V
D
+|
Input Current at Any Pin (Note 3)
Package Input Current (Note 3)
Package Dissipation at
T
A
= 25C (Note 4)
ESD Susceptability (Note 5)
Human Body Model
Soldering Information
N Packages (10 seconds)
SO Package (Note 6):
Vapor Phase (60 seconds)
Infrared (15 seconds)
Storage Temperature
300 mV
±
30 mA
±
120 mA
500 mW
1500V
260C
215C
220C
65C to +150C
Operating Ratings
(Notes 1, 2)
Operating Temperature Range
ADC12030CIWM,
ADC12H030CIWM,
ADC12032CIWM,
ADC12H032CIWM,
ADC12034CIN, ADC12034CIWM,
ADC12H034CIN,
ADC12H034CIWM,
ADC12H034CIMSA,
ADC12038CIWM,
ADC12H038CIWM
Supply Voltage (V
+
= V
A
+ = V
D
+)
|V
A
+ V
D
+|
V
REF
+
V
REF
V
REF
(V
REF
+ V
REF
)
V
REF
Common Mode Voltage Range
T
MIN
≤
T
A
≤
T
MAX
40C
≤
T
A
≤
+85C
+4.5V to +5.5V
≤
100 mV
0V to V
A
+
0V to V
REF
+
1V to V
A
+
0.1 V
A
+ to 0.6 V
A
+
A/DIN1, A/DIN2, MUXOUT1
and MUXOUT2 Voltage Range
A/D IN Common Mode
Voltage Range
0V to V
A
+
0V to V
A
+
Converter Electrical Characteristics
The following specifications apply for V
+
= V
A
+ = V
D
+ = +5.0 V
DC
, V
REF
+ = +4.096 V
DC
, V
REF
= 0 V
DC
, 12-bit + sign conver-
sion mode, f
= f
= 8 MHz for the ADC12H030, ADC12H032, ADC12H034 and ADC12H038, f
CK
= f
SK
= 5 MHz for the
ADC12030, ADC12032, ADC12034 and ADC12038, R
S
= 25
, source impedance for V
+ and V
25
, fully-differential
input with fixed 2.048V common-mode voltage, and 10(t
) 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. (Notes 7, 8, 9)
Symbol
Parameter
Conditions
Typical
(Note 10)
Limits
(Note 11)
Units
(Limits)
STATIC CONVERTER CHARACTERISTICS
Resolution with No
Missing Codes
+ILE
Positive Integral Linearity Error
ILE
Negative Integral Linearity Error
DNL
Differential Non-Linearity
Positive Full-Scale Error
Negative Full-Scale Error
Offset Error
12 + sign
Bits (min)
After Auto-Cal (Notes 12, 18)
After Auto-Cal (Notes 12, 18)
After Auto-Cal
After Auto-Cal (Notes 12, 18)
After Auto-Cal (Notes 12, 18)
After Auto-Cal (Notes 5, 18)
V
IN
(+) = V
IN
() = 2.048V
After Auto-Cal (Note 15)
After Auto-Cal
(Notes 12, 13, 14)
8-bit + sign mode
±
1/2
±
1/2
±
1
±
1
±
1
±
3.0
±
3.0
±
2
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
±
1/2
±
1/2
±
1/2
DC Common Mode Error
Total Unadjusted Error
±
2
±
1
±
3.5
LSB (max)
LSB
TUE
Resolution with No
Missing Codes
8 + sign
Bits (min)
A
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