See AN-450 “Surface Mounting Methods and Their Effect on
Product Reliability” for other methods of soldering surface
mount devices.
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.
Operating Ratings (Notes 1, 2)
Supply Voltage (VA+ and VD+)
Voltage at Input and Output Pins
except IN0–IN3 (LM12454)
and IN0–IN7 (LM12(H)458)
6.0V
Temperature Range
(Tmin ≤ TA ≤ Tmax
)
−0.3V to V+ + 0.3V
LM12454CIV/
LM12(H)458CIV
−40˚C ≤ TA ≤ 85˚C
−55˚C ≤ TA ≤ 125˚C
Voltage at Analog Inputs IN0–IN3 (LM12454)
LM12458MEL/883
Supply Voltage
and IN0–IN7 (LM12(H)458)
|VA+ − VD+|
GND − 5V to V+ + 5V
300 mV
VA+, VD+
3.0V to 5.5V
≤100 mV
±
Input Current at Any Pin (Note 3)
Package Input Current (Note 3)
5 mA
|VA+ − VD+|
±
20 mA
VIN+ Input Range
VIN− Input Range
VREF+ Input Voltage
VREF− Input Voltage
VREF+ − VREF−
GND ≤ VIN+ ≤ VA+
GND ≤ VIN− ≤ VA+
1V ≤ VREF+ ≤ VA+
0V ≤ VREF− ≤ VREF+ − 1V
1V ≤ VREF ≤ VA+
=
Power Dissipation (TA 25˚C)
V Package (Note 4)
Storage Temperature
Lead Temperature
875 mW
−65˚C to +150˚C
V Package, Infrared, 15 sec.
EL and W Packages,
Solder, 10 sec.
+300˚C
VREF Common Mode
Range (Note 16)
+
+
0.1 VA ≤ VREFCM ≤ 0.6 VA
+250˚C
1.5 kV
2.0 kV
ESD Susceptibility (Note 5)
LM12458MEL/883
Converter Characteristics (Notes 6, 7, 8, 9, 19)
=
=
=
=
The following specifications apply to the LM12454, LM12458, and LM12H458 for VA+ VD+ 5V, VREF+ 5V, VREF− 0V,
=
=
=
12-bit + sign conversion mode, fCLK 8.0 MHz (LM12H458) or fCLK 5.0 MHz (LM12454/8), RS 25Ω, source impedance for
VREF+ and VREF− ≤ 25Ω, fully-differential input with fixed 2.5V common-mode voltage, and minimum acquisition time unless
=
=
=
=
otherwise specified. Boldface limits apply for TA TJ TMIN to TMAX; all other limits TA TJ 25˚C.
Symbol
ILE
Parameter
Conditions
Typical
Limits
Unit
(Note 10) (Note 11)
(Limit)
±
±
1
Positive and Negative Integral
Linearity Error
After Auto-Cal (Notes 12, 17)
1/2
LSB (max)
±
TUE
DNL
Total Unadjusted Error
Resolution with No Missing Codes
Differential Non-Linearity
Zero Error
After Auto-Cal (Note 12)
After Auto-Cal (Note 12)
After Auto-Cal
1
LSB
13
Bits (max)
LSB (max)
3
±
⁄
4
±
After Auto-Cal (Notes 13, 17)
LM12H458
1
±
±
±
1/2
1/2
1.5
LSB (max)
LSB (max)
±
Positive Full-Scale Error
Negative Full-Scale Error
After Auto-Cal (Notes 12, 17)
LM12(H)458MEL
2
±
2.5
±
±
After Auto-Cal (Notes 12, 17)
LM12(H)458MEL
1/2
2
LSB (max)
LSB (max)
LSB (max)
LSB (max)
Bits (max)
LSB (max)
LSB (max)
LSB (max)
±
2.5
3.5
±
±
DC Common Mode Error
(Note 14)
2
ILE
8-Bit + Sign and “Watchdog”
Mode Positive and Negative
Integral Linearity Error
(Note 12)
±
±
1/2
3/4
9
±
TUE
8-Bit + Sign and “Watchdog” Mode
Total Unadjusted Error
After Auto-Zero
1/2
8-Bit + Sign and “Watchdog” Mode
Resolution with No Missing Codes
8-Bit + Sign and “Watchdog” Mode
Differential Non-Linearity
±
±
±
DNL
3/4
1/2
1/2
8-Bit + Sign and “Watchdog” Mode
Zero Error
After Auto-Zero
8-Bit + Sign and “Watchdog” Positive
and Negative Full-Scale Error
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