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LM12458CIV データシート(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部品番号 LM12458CIV
部品情報  12-Bit Sign Data Acquisition System with Self-Calibration
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メーカー  NSC [National Semiconductor (TI)]
ホームページ  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM12458CIV データシート(HTML) 4 Page - National Semiconductor (TI)

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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 analog inputs
−0.3V to (V
+ + 0.3V)
Voltage at Analog Inputs
− 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, PQFP
(T
A = 25˚C)
(Note 4)
875 mW
Storage Temperature
−65˚C to +150˚C
Lead Temperature
PQFP, Infrared, 15 sec.
+300˚C
PLCC, Solder, 10 sec.
+250˚C
ESD Susceptibility (Note 5)
1.5 kV
See AN-450 “Surface Mounting Methods and Their Effect on
Product Reliability” for other methods of soldering surface
mount devices.
Package Thermal Resistances
Package
θ
JA
44-Lead PQFP
47˚C / W
44-Lead PLCC
50˚C / W
Operating Ratings (Notes 1, 2)
Temperature Range
(T
min
≤ T
A
≤ T
max)
−40˚C
≤ T
A
≤ 85˚C
Supply Voltage
V
A+, VD+
3.0V to 5.5V
|V
A+−VD+|
≤100 mV
V
IN+ Input Range
GND
≤ V
IN+
≤ V
A+
V
IN− Input Range
GND
≤ V
IN−
≤ V
A+
V
REF+ Input Voltage
1V
≤ V
REF+
≤ V
A+
V
REF− Input Voltage
0V
≤ V
REF−
≤ V
REF+ −1V
V
REF+ −VREF−
1V
≤ V
REF
≤ V
A+
V
REF Common Mode
Range (Note 16)
0.1 V
A
+
≤ V
REFCM
≤ 0.6 V
A
+
T
J(MAX)
150˚C
Reliability Information -
Transistor Count
Device Type
Nmber
P-Chan MOS Transistor
12,232
N-Chan MOS Transistor
15,457
Parasitic Vertical Bipolar Junction Transistor
4
Parasitic Lateral Bipolar Junction Transistor
2
TOTAL Transistors
27,695
Converter Characteristics (Notes 6, 7, 8, 9)
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
Ω, source impedance for
V
REF+ and VREF−
≤ 25Ω, 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 = 25˚C.
Symbol
Parameter
Conditions
Typical
(Note 10)
Limits
(Note 11)
Units
ILE
Integral Linearity Error (Notes 12, 17)
After Auto-Cal
±1/2
±1
LSB (max)
TUE
Total Unadjusted Error(Note 12)
After Auto-Cal
±1
LSB
Resolution with No Missing Codes
(Note 12)
After Auto-Cal
13
Bits (max)
DNL
Differential Non-Linearity
After Auto-Cal
±34
LSB (max)
Zero Error (Notes 13, 17)
After Auto-Cal
±1
LM12H458
±1/2
±1.5
LSB (max)
Positive Full-Scale Error (Notes 12, 17) After Auto-Cal
±1/2
±2
LSB (max)
Negative Full-Scale Error (Notes 12,
17)
After Auto-Cal
±1/2
±2
LSB (max)
DC Common Mode Error (Note 14)
±2
±3.5
LSB (max)
ILE
8-Bit + Sign and “Watchdog” Mode
Integral Linearity Error (Note 12)
±1/2
LSB (max)
TUE
8-Bit + Sign and “Watchdog” Mode
Total Unadjusted Error
After Auto-Zero
±1/2
±3/4
LSB (max)
8-Bit + Sign and “Watchdog” Mode
Resolution
with No Missing Codes
9
Bits (max)
www.national.com
4


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