lm12l458civf National Semiconductor Corporation, lm12l458civf Datasheet - Page 3

• Manufacturer Part Number: lm12l458civf
• Description: 12-bit Sign Data Acquisition System With Self-calibration
• Manufacturer: National Semiconductor Corporation

ILE
TUE
DNL
ILE
TUE
DNL
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.
See AN-450 “Surface Mounting Methods and Their Effect on
Product Reliability” for other methods of soldering surface
mount devices.
Package Thermal Resistances
Converter Characteristics
The following specifications apply for V
6.0 MHz, R
age, and minimum acquisition time unless otherwise specified. Boldface limits apply for T
limits T
Supply Voltage (V
Voltage at Input and Output Pins,
Voltage at Analog Inputs
|(V
Input Current at Any Pin (Note 3)
Package Input Current (Note 3)
Power Consumption (T
Storage Temperature
Lead Temperature,
ESD Susceptibility (Note 5)
Symbol
except analog inputs
(Note 4)
Infrared, 15 sec.
A
+) − (V
A
= T
S
D
J
+)|
= 25Ω, source impedance for V
= 25˚C. (Notes 6, 7, 8, 9)
44-Lead PLCC
Integral Linearity Error
Total Unadjusted Error
Resolution with No Missing Codes
Differential Non-Linearity
Zero Error
Positive Full-Scale Error
Negative Full-Scale Error
DC Common Mode Error
8-Bit + Sign and “Watchdog” Mode
Integral Linearity Error
8-Bit + Sign and “Watchdog” Mode
Total Unadjusted Error
8-Bit + Sign and “Watchdog” Mode
Resolution with No Missing Codes
8-Bit + Sign and “Watchdog” Mode
Differential Non-Linearity
8-Bit + Sign and “Watchdog” Mode
Zero Error
8-Bit + Sign and “Watchdog” Full-Scale
Error
Package
A
+ and V
A
= 25˚C)
D
Parameter
+)
−0.3V to (V
50˚C / W
A
+ = V
− 5V to (V
−65˚C to +150˚C
θ
JA
REF+
D
+ = +3.3V, V
+
875 mW
and V
±
300 mV
+ 0.3V)
+
+300˚C
±
20 mA
1.5 kV
+ 5V)
5 mA
6.0V
After Auto-Cal (Notes 12, 17)
After Auto-Cal (Note 12)
After Auto-Cal (Note 12)
After Auto-Cal
After Auto-Cal (Notes 13, 17)
After Auto-Cal (Notes 12, 17)
After Auto-Cal (Notes 12, 17)
(Note 14)
(Note 12)
After Auto-Zero
After Auto-Zero
REF−
REF+
≤ 25Ω, fully-differential input with fixed 1.25V common-mode volt-
3
= +2.5V, V
Conditions
Operating Ratings
Reliability Information - Transistor
Count
Temperature Range
Supply Voltage - V
|V
V
V
V
V
V
V
T
P-Chan MOS Transistor
N-Chan MOS Transistor
Parasitic Vertical Bipolar Junction Transistor
Parasitic Lateral Bipolar Junction Transistor
J
IN+
IN−
REF+
REF−
REF+
REF
A
Range (Note 16)
(MAX)
TOTAL Transistors
+ − V
Input Range
Input Range
Common Mode
Input Voltage
Input Voltage
− V
REF−
D
+|
REF−
= 0V, 12-bit + sign conversion mode, f
A
Device
+, V
(Note 10)
Typical
A
D
±
±
±
±
±
+
±
±
= T
1/2
1/4
1/2
1/2
1/2
1
2
J
0.1 V
(Notes 1, 2)
= T
0V ≤ V
MIN
A
(Note 11)
+
Limits
≤ V
±
±
±
±
to T
−40˚C ≤ T
REF−
±
±
±
±
±
±
±
GND ≤ V
GND ≤ V
13
1V ≤ V
1/2
3/4
1/2
1/2
9
1V ≤ V
1
1
1
3
3
4
1
REFCM
+3.0V to +5.5V
MAX
≤ V
; all other
REF+
www.national.com
REF
REF+
Bits (max)
IN+
IN−
≤ 0.6 V
≤100 mV
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
A
Number
Bits (max)
12,232
15,457
27,695
≤ 85˚C
Units
150˚C
≤ V
≤ V
≤ V
≤ V
CLK
LSB
4
2
− 1V
A
A
A
A
A
=
+
+
+
+
+