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Philips Semiconductors Linear Products
Product specification
Dual voltage comparator
LM219/319
DESCRIPTION
The LM319 series are precision high-speed dual comparators fabricated on a single monolithic chip. They are designed to operate over a wide range of supply voltages down to a single 5V logic supply and ground. Further, they have higher gain and lower input currents than devices like the A710. The uncommitted collector of the output stage makes the LM319 compatible with RTL, DTL, and TTL as well as capable of driving lamps and relays at currents up to 25mA. Although designed primarily for applications requiring operation from digital logic supplies, the LM319 series are fully specified for power supplies up to 15V. It features faster response than the LM111 at the expense of higher power dissipation. However, the high-speed, wide operating voltage range and low package count make the LM319 much more versatile than older devices like the A711.
PIN CONFIGURATION
D, N Packages
NC NC GND 1 + INPUT 1 - INPUT 1 V- OUTPUT 2 1 2 3 4 5 6 7 14 13 12 11 10 9 8 NC NC OUTPUT 1 V+ - INPUT 2 + INPUT 2 GND 2
TOP VIEW
FEATURES
* Two independent comparators * Operates from a single 5V supply * Typically 80ns response time at 15V * Minimum fanout of 3 (each side)
EQUIVALENT SCHEMATIC
R1 3.5K
* Maximum input current of 1A over temperature * Inputs and outputs can be isolated from system ground * High common-mode slew rate
V+ R2 4K R3 4K R6 3K R7 3K Q9 Q4 Q3 - INPUTS + Q1 R4 3K R5 3K R8 2K Q5 R9 18K Q22 R23 4K Q21 Q20 Q19 R2 900 Q18 Q12 R17 3 R19 250 R22 60 R20 3.6K R18 1.9K Q11 R14 2K R13 600 C14 Q16 R16 600 OUTPUT Q10 Q13 Q15 R15 300 Q2 Q6 Q7 C1 18pF R10 170 R11 13K R12 13K Q8
Q12
R25 600
TO OTHER HALF R24 250
V-
GND
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853-0928 13721
Philips Semiconductors Linear Products
Product specification
Dual voltage comparator
LM219/319
ORDERING INFORMATION
DESCRIPTION 14-Pin Plastic Small Outline (SO) Package 14-Pin Plastic Small Outline (SO) Package 14-Pin Plastic Dual In-Line Package (DIP) TEMPERATURE RANGE -25 to +85C 0 to +70C 0 to +70C ORDER CODE LM219D LM319D LM319N DWG # 0175D 0175D 0405B
ABSOLUTE MAXIMUM RATINGS
SYMBOL VS Total supply voltage Output to negative supply voltage Ground to negative supply voltage Ground to positive supply voltage Differential input voltage VIN Input voltage1 Maximum power dissipation, TA=25C (still-air)2 N package D package Output short-circuit duration TA TSTG TSOLD Operating temperature range Storage temperature range Lead soldering temperature (10sec max) LM219 LM319 1420 1040 10 -25 to +85 0 to +70 -65 to +150 300 mW mW s C C C PARAMETER RATING 36 36 25 18 5 15 UNIT V V V V V V
NOTES: 1. For supply voltages less than 15V, the absolute maximum rating is equal to the supply voltage. 2. Derate above 25C, at the following rates: N package at 11.4mW/C D package at 8.3mW/C
DC ELECTRICAL CHARACTERISTICS
VS=15V, -25C TA 85C for LM219, 0C TA 70C for LM319, unless otherwise specified. SYMBOL VOS IOS IB AV VOL IOH PARAMETER Input offset voltage1, 2 Input offset current1, 2 Input bias current1 Voltage gain Saturation voltage Output leakage current TEST CONDITIONS RS5k, TA=25C Over temp. TA=25C Over temp. TA=25C Over temp. TA=25C VIN-10mV, IOUT=25mA, TA=25C, V+4.5V, V-=0 VIN-10mV, IOUT=3.2mA V-=0V, VIN10mV VOUT=35V, TA=25C VIN VID I+ I+ IInput voltage range Differential input voltage Positive supply current Positive supply current Negative supply current V+=5V, V-=0V, TA=25C VS=15V, TA=25C VS=15V, TA=25C 4.3 8.0 3.0 12.5 5.0 VS=15V V+=5V, V-=0V 1 0.2 13 3 5 4.3 8.0 3.0 12.5 5.0 1 10 0.2 13 3 5 10 A V V mA mA mA 8 40 0.75 0.3 1.5 0.6 150 30 LM219 Min Typ 0.7 Max 4.0 7 75 100 500 1000 8 40 0.75 0.3 1.5 0.4 250 80 Min LM319 Typ 2.0 Max 8.0 10 200 300 1000 1200 UNIT mV nA nA nA V/mV V
NOTES: 1. VOS, IOS and IB specifications apply for a supply voltage range of VS=15V down to a single 5V supply. 2. The offset voltages and offset currents given are the maximum values required to drive the output to within 1V of either supply with a 1mA load. Thus these parameters define an error band and take into account the worst case effects of voltage gain and input impedance.
August 31, 1994
278
Philips Semiconductors Linear Products
Product specification
Dual voltage comparator
LM219/319
AC ELECTRICAL CHARACTERISTICS
SYMBOL tR PARAMETER Response time1 TEST CONDITIONS VS=15V, TA=25C RL=500 (see test figure) LIMITS Min Typ 80 Max UNIT ns
NOTES: 1. The response time specified is for a 100mV step with 5mV overdrive.
TEST CIRCUIT
+15V +5V
RL PULSE GENERATOR
D.U.T. VOUT
-15V
Response Time Measurement
August 31, 1994
279
Philips Semiconductors Linear Products
Product specification
Dual voltage comparator
LM219/319
TYPICAL PERFORMANCE CHARACTERISTICS
Transfer Function
OUTPUT VOLTAGE - V 40 OUTPUT VOLTAGE HIGH - V 35 30 25 20 15 10 5 0 -1.0 -0.6 -0.2 0.2 0.6 1.0 VS = +15V RL = 1.4K TA = 25oC V+ + = 36V 8.0 7.0 V+ + = 5.0V 6.0 5.0 4.0 3.0 2.0 1.0 0 OUTPUT VOLTAGE LOW - V
Response Time for Various Input Overdrives
OUTPUT VOLTAGE - V 6.0 5.0 4.0 3.0 2.0 1.0 INPUT VOLTAGE - mV 0 0 -50 -100 0 50 100 150 200 250 300 350 TIME - ns INPUT VOLTAGE - mV 20mV 5.0mV 2.0mV 2.0 1.0 0 100 50 0 VS = 5.0V RL = 500K V+ + = 5.0V TA = 25oC 6.0 5.0 4.0 3.0
Response Time for Various Input Overdrives
20mV 5.0mV
2.0mV VS = +15V RL = 500K V+ + = 5.0V TA = 25oC
0
50 100 150 200 250 300 350 TIME - ns
DIFFERENTIAL INPUT VOLTAGE - V
Input Characteristics
OUTPUT VOLTAGE - V 400 INPUT BIAS CURRENT - nA 300 6.0 5.0 4.0 3.0 2.0 1.0 INPUT VOLTAGE - mV 100 0 0 -50 -100 VS = +15V TA = 25oC
Response Time for Various Input Overdrives
VS = +15V RL = 500K V+ + = 5.0V TA = 25oC 5.0mV 2.0mV INPUT VOLTAGE - mV OUTPUT VOLTAGE - V 6.0 5.0 4.0 3.0 2.0 1.0 0 100 50 0
Response Time for Various Input Overdrives
20mV
2.0mV
200
20mV
5.0mV VS = 5.0V RL = 500K V+ + = 5.0V TA = 25oC
0 -100 -10 -6.0 MAXIMUM DIFFERENTIAL INPUT VOLTAGE -2.0 2.0 6.0 10
0
50 100 150 200 250 300 350 TIME - ns
0
50 100 150 200 250 300 350 TIME - ns
DIFFERENTIAL INPUT VOLTAGE - V
Output Saturation Voltage
25 TA = 25oC OUTPUT CURRENT - mA SUPPLY CURRENT - mA 10 8 6 4 2 0 0 20 15 12
Supply Current
SHORT CIRCUIT CURRENT - mA 120 100 80 60 40 TA = 25oC POSITIVE SUPPLY
Output Limitiung Characteristics
1.2 TA = 25oC SHORT CIRCUIT CURRENT 0.8 0.6 0.4 POWER DISSIPATION 20 0 0.2 0 0 5 10 15 POWER DISSIPATION - W 1.0
10 5 0 0 0.2 VS = +15V INPUT OVERDRIVE = 5.0mV 0.4 0.6 0.8 1.0
NEGATIVE SUPPLY
5
10
15
20
OUTPUT VOLTAGE - V
SUPPLY VOLTAGE - V
OUTPUT VOLTAGE - V
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Philips Semiconductors Linear Products
Product specification
Dual voltage comparator
LM219/319
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Input Currents
250 VS = +15V COMMON MODE LIMITS - V INPUT CURRENT - nA 200 BIAS 150 V+ -0.4 -0.8 -1.2 -1.6 REFERRED TO SUPPLY VOLTAGES -2.0 1.2 0.8 0.4 0 -55 -15 5 45 85 125 V-55 -15 5 45 85 125 TEMPERATURE - oC TEMPERATURE - oC VS = +15V, VS+ = 5.0V, V- = 0 VS = +15V VS+ = 5.0V, VS- = 0 SUPPLY CURRENT - mA
Common-Mode Limits
12 10
Supply Current
POSITIVE SUPPLY, VS = +15V
8 6 4 2 NEGATIVE SUPPLY, VS = +15V 0 -55 -15 5 45 85 125
100
POSITIVE SUPPLY, VS+ = 5.0V, VS- = 0
50
OFFSET
TEMPERATURE - oC
TYPICAL APPLICATIONS
5V 28V 190 +
INPUTS
+1 /2 LM319 30V 1N914 1N914 2.7k 1k
Relay Driver
7.5M 5V 1.2V TTL +1 /2 LM319 500
+5V
3k
500 VUT VIN +1 /2 LM319 -
2N2222 SQUARE WAVE OUTPUT 1kHz to 1MHz 1N914 TRIANGLE WAVE OUTPUT +1 /2 LM319 -
VLT
+1 /2 LM319 500pF 1k 3k
1N914
Window Detector
NOTE: NOTES: VOUT = 5V for VLT < VIN < VUT VOUT = 0V for VIN < VLT or VIN > VUT Frequency adjust must be buffered for RL < 10 -5V
Wide Range Variable Oscillator
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