Voltage comparator. LM311 Datasheet

LM311 comparator. Datasheet pdf. Equivalent

Part LM311
Description Voltage comparator
Feature Philips Semiconductors Linear Products Product specification Voltage comparator LM111/211/311/ LM.
Manufacture NXP
Datasheet
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LM311
Philips Semiconductors Linear Products
Voltage comparator
Product specification
LM111/211/311/
LM311B
DESCRIPTION
The LM111 series are voltage comparators that have input currents
approximately a hundred times lower than devices like the µA710.
They are designed to operate over a wider range of supply voltages;
from standard ±15V op amp supplies down to a single 3V supply.
Their output is compatible with RTL, DTL, and TTL as well as MOS
circuits. Further, they can drive lamps or relays, switching voltages
up to 50V at currents as high as 50mA.
Both the inputs and the outputs of the LM111 series can be isolated
from system ground, and the output can drive loads referred to
ground, the positive supply, or the negative supply. Offset balancing
and strobe capability are provided and outputs can be wire-ORed.
Although slower than the µA710 (200ns response time vs 40ns), the
devices are also much less prone to spurious oscillations. The LM111
series has the same pin configuration as the µA710 series.
FEATURES
Operates from single 3V supply (LM311B)
Maximum input bias current: 150nA (LM311—250nA)
Maximum offset current: 20nA (LM311—50nA)
Differential input voltage range: ±30V
Power consumption: 135mW at ±15V
High sensitivity—200V/mV
Zero crossing detector
PIN CONFIGURATION
D, FE, N PACKAGES
GND 1
INPUT 2
INPUT 3
V– 4
+
8 V+
7 OUTPUT
6 BAL/STROBE
5 BALANCE
APPLICATIONS
Precision squarer
Positive/negative peak detector
Low voltage adjustable reference supply
Switching power amplifier
ORDERING INFORMATION
DESCRIPTION
8-Pin Plastic Dual In-Line Package (DIP)
8-Pin Plastic Dual In-Line Package (DIP)
8-Pin Plastic Small Outline Package (SO)
8-Pin Plastic Dual In-Line Package (DIP)
8-Pin Plastic Small Outline Package (SO)
8-Pin Ceramic Dual In-Line Package (CERDIP)
8-Pin Plastic Small Outline Package (SO)
8-Pin Plastic Dual In-Line Package (DIP)
TEMPERATURE RANGE
-55°C to +125°C
-25°C to +85°C
0 to +70°C
0 to +70°C
-25°C to +85°C
-55°C to +125°C
0 to +70°C
0 to +70°C
ORDER CODE
LM111N
LM211N
LM311D
LM311N
LM211D
LM111FE
LM311BD
LM311BN
DWG #
0404B
0404B
0174C
0404B
0174C
0580A
0174C
0404B
August 31, 1994
273 853-0927 13721



LM311
Philips Semiconductors Linear Products
Voltage comparator
Product specification
LM111/211/311/
LM311B
EQUIVALENT SCHEMATIC
BALANCE/
STROBE
BALANCE
V+
R3 R1 R4 R2
300 1.3K 300 1.3K
Q8
R8
750
Q7
Q10
R9
600
R5 Q20
70 Q11
R6 R7
Q5
1.2K
1.2K
Q19
Q8
Q1 D1 D2
5V 5V
INPUTS
Q3
Q2
Q9 Q18
Q4
Q2
R15
R17 400
60
Q23 R15
450
Q22
R19 R18
250 200
R14
2K
Q17
Q13
R10
4K
Q14
Q18
Q12
OUTPUT
R11
130
Q15
R12
600
R13
4
V–
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
RATING
UNIT
VS Total supply voltage
Output to negative supply voltage:
36 V
LM111/LM211
50 V
LM311/LM311B
40 V
Ground to negative supply voltage
30 V
VIN
PD MAX
Differential input voltage
Input voltage1
Maximum power dissipation,
TA=25°C (still-air)2
F package
±30 V
±15 V
810 mW
N package
1190
mW
D package
780 mW
I Output short-circuit duration
10 sec
TA
TSTG
TSOLD
Operating ambient temperature range
LM111
LM211
LM311/LM311B
Storage temperature range
Lead soldering temperature
(10sec max)
-55 to +125
-25 to +85
0 to +70
-65 to +150
300
°C
°C
°C
°C
°C
NOTES:
1. This rating applies for ±15V supplies. The positive input voltage limit is 30V above the negative supply. The negative input voltage limit is
equal to the negative supply voltage or 30V below the positive supply, whichever is less.
2. Derate above 25°C, at the following rates: F package at 6.4mW/°C; N package at 9.5mW/°C; D package at 6.2m/W°C
August 31, 1994
274





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