LM12H458CIV National Semiconductor, LM12H458CIV Datasheet - Page 4

• Manufacturer Part Number: LM12H458CIV
• Description: A/D Converter (A-D) IC
• Manufacturer: National Semiconductor

Specifications of LM12H458CIV

• No. Of Pins: 28
• Peak Reflow Compatible (260 C): No
• Supply Voltage: 5V
• Supply Voltage Max: 5V
• No. Of Bits: 12 Bit
• Leaded Process Compatible: No
• Mounting Type: Surface Mount
• No. Of Channels: 1
• Number Of Elements: 1
• Sample Rate: 182KSPS
• Input Polarity: Bipolar
• Input Type: Voltage
• Rated Input Volt: ±5V
• Differential Input: Yes
• Power Supply Requirement: Analog and Digital
• Single Supply Voltage (typ): 5V
• Single Supply Voltage (min): 3V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Differential Linearity Error: ±0.75LSB
• Integral Nonlinearity Error: ±1LSB
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 44
• Package Type: PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

www.national.com
ILE
TUE
DNL
ILE
TUE
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 to the LM12454, LM12458, and LM12H458 for V
12-bit + sign conversion mode, f
V
otherwise specified. Boldface limits apply for T
Supply Voltage (V
Voltage at Input and Output Pins,
except analog inputs
|V
Input Current at Any Pin (Note 3)
Package Input Current (Note 3)
Power Dissipation, PQFP
Storage Temperature
Lead Temperature
ESD Susceptibility (Note 5)
Symbol
REF+
A
Voltage at Analog Inputs
(T
PQFP, Infrared, 15 sec.
PLCC, Solder, 10 sec.
+ − V
A
and V
= 25˚C)
D
+|
REF−
44-Lead PQFP
44-Lead PLCC
Integral Linearity Error (Notes 12, 17)
Total Unadjusted Error(Note 12)
Resolution with No Missing Codes
(Note 12)
Differential Non-Linearity
Zero Error (Notes 13, 17)
Positive Full-Scale Error (Notes 12, 17) After Auto-Cal
Negative Full-Scale Error (Notes 12,
17)
DC Common Mode Error (Note 14)
8-Bit + Sign and “Watchdog” Mode
Integral Linearity Error (Note 12)
8-Bit + Sign and “Watchdog” Mode
Total Unadjusted Error
8-Bit + Sign and “Watchdog” Mode
Resolution
with No Missing Codes
Package
≤ 25Ω, fully-differential input with fixed 2.5V common-mode voltage, and minimum acquisition time unless
(Note 4)
A
+ and V
D
Parameter
+)
CLK
= 8.0 MHz (LM12H458) or f
−0.3V to (V
47˚C / W
50˚C / W
− 5V to (V
−65˚C to +150˚C
θ
JA
(Notes 6, 7, 8, 9)
A
+
875 mW
±
300 mV
= T
+ 0.3V)
+300˚C
+250˚C
+
±
20 mA
1.5 kV
+ 5V)
5 mA
6.0V
J
After Auto-Cal
After Auto-Cal
After Auto-Cal
After Auto-Cal
After Auto-Cal
LM12H458
After Auto-Cal
After Auto-Zero
= T
MIN
4
to T
CLK
Conditions
Operating Ratings
Reliability Information -
Transistor Count
MAX
Temperature Range
Supply Voltage
|V
V
V
V
V
V
V
T
Device Type
P-Chan MOS Transistor
N-Chan MOS Transistor
Parasitic Vertical Bipolar Junction Transistor
Parasitic Lateral Bipolar Junction Transistor
= 5.0 MHz (LM12454/8), R
J
IN+
IN−
REF+
REF−
REF+
REF
A
(T
V
Range (Note 16)
(MAX)
TOTAL Transistors
+ − V
A
; all other limits T
min
+, V
Input Range
Input Range
Common Mode
Input Voltage
Input Voltage
− V
≤ T
D
D
+|
+
REF−
A
≤ T
A
+ = V
max
)
A
D
(Note 10)
= T
+ = 5V, V
Typical
±
±
±
±
±
±
±
J
1/2
1/2
1/2
1/2
1/2
1
2
S
= 25˚C.
= 25Ω, source impedance for
0.1 V
(Notes 1, 2)
0V ≤ V
REF+
A
(Note 11)
+
Limits
≤ V
±
±
±
±
= 5V, V
±
−40˚C ≤ T
REF−
GND ≤ V
GND ≤ V
±
±
±
±
13
1V ≤ V
1.5
3.5
1/2
3/4
9
3
1V ≤ V
1
1
2
2
⁄
REFCM
4
≤ V
3.0V to 5.5V
REF−
REF+
REF
REF+
IN+
IN−
≤ 0.6 V
≤100 mV
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
A
Bits (max)
Bits (max)
Nmber
12,232
15,457
27,695
≤ 85˚C
= 0V,
Units
150˚C
≤ V
≤ V
≤ V
≤ V
LSB
4
2
− 1V
A
A
A
A
A
+
+
+
+
+