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Part: LM311N
Category:
Analog & Mixed-Signal Processing
-> Comparators
-> General Purpose
Description: LM111/211/311/311B; Voltage Comparator;; Package: SOT96 (SO8), SOT97-1 (DIP8)
Company: Philips Semiconductors
Datasheet: Download LM311N datasheet File size : 1094 kB
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Datasheet text preview:
INTEGRATED CIRCUITS
LM111/211/311/311B Voltage comparator
Product data Supersedes data of 1994 Aug 31 File under Integrated Circuits, IC11 Handbook 2001 Aug 03
Philips Semiconductors
Philips Semiconductors
Product data
Voltage comparator
LM111/211/311/311B
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 ±15 V op amp supplies down to a single 3 V 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 50 V 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 (200 ns response time versus 40 ns), the devices are also much less prone to spurious oscillations. The LM111 series has the same pin configuration as the µA710 series.
PIN CONFIGURATION
D, N Packages
GND INPUT INPUT V
1 2 3 4
8 7 6 5
V+ OUTPUT BAL/STROBE BALANCE
+
SL00062
Figure 1. Pin Configuration
FEATURES
APPLICATIONS
· Operates from single 3 V supply (LM311B) · Maximum input bias current: 150 nA (LM311: 250 nA) · Maximum offset current: 20 nA (LM311: 50 nA) · Differential input voltage range: ±30 V · Power consumption: 135 mW at ±15 V · High sensitivity: 200 V/mV · Zero crossing detector
ORDERING INFORMATION
DESCRIPTION 8-Pin Plastic Small Outline Package (SO) 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 Plastic Dual In-Line Package (DIP) 8-Pin Plastic Small Outline Package (SO) 8-Pin Plastic Dual In-Line Package (DIP)
· Precision squarer · Positive/negative peak detector · Low voltage adjustable reference supply · Switching power amplifier
TEMPERATURE RANGE 55 °C to +125 °C 55 °C to +125 °C 25 °C to +85 °C 25 °C to +85 °C 0 °C to +70 °C 0 °C to +70 °C 0 °C to +70 °C 0 °C to +70 °C
ORDER CODE LM111D LM111N LM211D LM211N LM311D LM311N LM311BD LM311BN
DWG # SOT96-1 SOT97-1 SOT96-1 SOT97-1 SOT96-1 SOT97-1 SOT96-1 SOT97-1
2001 Aug 03
2
853-0927 26834
Philips Semiconductors
Product data
Voltage comparator
LM111/211/311/311B
EQUIVALENT SCHEMATIC
BALANCE/ STROBE BALANCE V+
R3 300
R1 1.3K
R4 300
R2 1.3K Q8 Q7
R8 750 Q10
R9 600
R5 70
Q20 Q11 Q12
Q5
R6 1.2K
R7 1.2K Q8
Q13 Q19 R10 4K Q14 Q18 R17 60 Q2 R15 400 R11 130 Q15 OUTPUT
Q3 Q1 D1 5V D2 5V Q4
Q9
INPUTS
Q23 Q22
R15 450
R12 600 Q18
Q2 R19 250
R18 200
R14 2K
Q17 R13 4
V
SL00063
Figure 2. Equivalent Schematic
ABSOLUTE MAXIMUM RATINGS
SYMBOL VS Total supply voltage Output to negative supply voltage: LM111/LM211 LM311/LM311B Ground to negative supply voltage Differential input voltage VIN PD MAX Input voltage1 Maximum power dissipation, Tamb = 25 °C (still-air)2 N package D package Output short-circuit duration Operating ambient temperature range LM111 LM211 LM311/LM311B Storage temperature range Lead soldering temperature (10 sec max) PARAMETER RATING 36 50 40 30 ±30 ±15 1190 780 10 55 to +125 25 to +85 0 to +70 65 to +150 230 UNIT V V V V V V mW mW sec °C °C °C °C °C
I Tamb
Tstg Tsld
NOTES: 1. This rating applies for ±15 V supplies. The positive input voltage limit is 30 V above the negative supply. The negative input voltage limit is equal to the negative supply voltage or 30 V below the positive supply, whichever is less. 2. Derate above 25 °C, at the following rates: N package at 9.5 mW/°C D package at 6.2 m/W°C
2001 Aug 03
3
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