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參數(shù)資料
| 型號： | LM12H458MWG/883 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, CDFP44 |
| 文件頁數(shù)： | 34/43頁 |
| 文件大?。?/td> | 991K |
| 代理商： | LM12H458MWG/883 |
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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 VD+)
6.0V
Voltage at Input and Output Pins
except IN0–IN3 (LM12454)
0.3V to V
+ + 0.3V
and IN0–IN7 (LM12(H)458)
Voltage at Analog Inputs IN0–IN3 (LM12454)
and IN0–IN7 (LM12(H)458)
GND 5V to V
+ +5V
|V
A+VD+|
300 mV
Input Current at Any Pin (Note 3)
±5mA
Package Input Current (Note 3)
±20 mA
Power Dissipation (T
A = 25C)
V Package (Note 4)
875 mW
Storage Temperature
65C to +150C
Lead Temperature
V Package, Infrared, 15 sec.
+300C
EL and W Packages,
Solder, 10 sec.
+250C
ESD Susceptibility (Note 5)
1.5 kV
LM12458MEL/883
2.0 kV
See AN-450 “Surface Mounting Methods and Their Effect on
Product Reliability” for other methods of soldering surface
mount devices.
Operating Ratings (Notes 1, 2)
Temperature Range
(T
min ≤ TA ≤ Tmax)
LM12454CIV/
LM12(H)458CIV
40C
≤ T
A ≤ 85C
LM12458MEL/883
55C
≤ T
A ≤ 125C
Supply Voltage
V
A+, VD+
3.0V to 5.5V
|V
A+VD+|
≤100 mV
V
IN+ Input Range
GND
≤ V
IN+ ≤ VA+
V
IN Input Range
GND
≤ V
IN ≤ VA+
V
REF+ Input Voltage
1V
≤ V
REF+ ≤ VA+
V
REF Input Voltage
0V
≤ V
REF ≤ VREF+ 1V
V
REF+ VREF
1V
≤ V
REF ≤ VA+
V
REF Common Mode
Range (Note 16)
0.1 V
A
+
≤ V
REFCM ≤ 0.6 VA
+
Converter Characteristics (Notes 6, 7, 8, 9, 19)
The following specifications apply to the LM12454, LM12458, and LM12H458 for V
A+ = VD+ = 5V, VREF+ = 5V, VREF = 0V,
12-bit + sign conversion mode, f
CLK = 8.0 MHz (LM12H458) or fCLK = 5.0 MHz (LM12454/8), RS = 25, source impedance for
V
REF+ and VREF ≤ 25, fully-differential input with fixed 2.5V common-mode voltage, and minimum acquisition time unless
otherwise specified. Boldface limits apply for T
A = TJ = TMIN to TMAX; all other limits TA = TJ = 25C.
Symbol
Parameter
Conditions
Typical
Limits
Unit
(Note 10)
(Note 11)
(Limit)
ILE
Positive and Negative Integral
After Auto-Cal (Notes 12, 17)
±1/2
±1
LSB (max)
Linearity Error
TUE
Total Unadjusted Error
After Auto-Cal (Note 12)
±1
LSB
Resolution with No Missing Codes
After Auto-Cal (Note 12)
13
Bits (max)
DNL
Differential Non-Linearity
After Auto-Cal
±34
LSB (max)
Zero Error
After Auto-Cal (Notes 13, 17)
±1
LM12H458
±1/2
±1.5
LSB (max)
Positive Full-Scale Error
After Auto-Cal (Notes 12, 17)
±1/2
±2
LSB (max)
LM12(H)458MEL
±2.5
Negative Full-Scale Error
After Auto-Cal (Notes 12, 17)
±1/2
±2
LSB (max)
LM12(H)458MEL
±2.5
DC Common Mode Error
(Note 14)
±2
±3.5
LSB (max)
ILE
8-Bit + Sign and “Watchdog”
(Note 12)
Mode Positive and Negative
±1/2
LSB (max)
Integral Linearity Error
TUE
8-Bit + Sign and “Watchdog” Mode
After Auto-Zero
±1/2
±3/4
LSB (max)
Total Unadjusted Error
8-Bit + Sign and “Watchdog” Mode
9
Bits (max)
Resolution with No Missing Codes
DNL
8-Bit + Sign and “Watchdog” Mode
±3/4
LSB (max)
Differential Non-Linearity
8-Bit + Sign and “Watchdog” Mode
After Auto-Zero
±1/2
LSB (max)
Zero Error
8-Bit + Sign and “Watchdog” Positive
±1/2
LSB (max)
and Negative Full-Scale Error
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