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LM1514J
Dual Differential Voltage Comparator
LM1514/LM1414
[ National
[ Semiconductor
LM1514/LM1414
Dual Differential Voltage Comparator
General Description
The LM1514/LM1414 is a dual differential voltage compara-
tor intended for applications requiring high accuracy and
fast response times. The device is constructed on a single
monolithic silicon chip.
The LM1514/LM1414 is useful as a variable threshold
Schmitt trigger, a pulse height discriminator, a voltage com-
parator in high-speed A/ D converters, a memory sense am-
plifier or a high noise immunity tine receiver. The output of
the comparator is compatible with all integrated logic forms.
The LM1514/LM1414 meet or exceed the specifications for
the MC1514/MC1414 and are pin-for-pin replacements.
The LM1514 is available in the ceramic dual-in-line pack-
age. The LM1414 is available in either the ceramic or mold-
ed dual-in-Iine package.
The LM1514 is specified for operation over the -55t to
+ 125°C military temperature range. The LM1414 is speci-
fied for operation over the ty'C to + 70°C temperature range.
Features
Two totally separate comparators per package
Independent strobe capability
High speed 30 ns typ
Low input offset voltage and current
High output sink current over temperature
Output compatible with TTL/DTL logic
I: Molded or ceramic dual-in-line package
Schematic and Connection Diagrams
v‘ smear ou‘rrurs most
DuaI-In-Line Package
-lNPUT OINPUT $13035 OUTPUT
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lu I13 le
v" h A
I10 , a
INPUTS -
. t 2 l: I‘ ls Is Ir
F-a--', am sum: v‘ no omrur mm C
j -omns a 3 I com A A
. TL/Hf10411-2
Order Number LM1414J or LM1514J
See NS Package Number M4A
Order Number LM1414N
See NS Package Number N14A
TL/HMtM11-t
Absolute Maximum Ratings (Note1)
H Milltary/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Power Dissipation (Note 2)
Operating Temperature Range
1000 mW
offltte/Dlstributors for avallablllty and apeelfleations. LM1514 _ 55% to + 125°C
Positive Supply Voltage + 14.0V LM1414 trc to f 70°C
Negative Supply Voltage - 7.0V Storage Temperature Range -65'C to + 150°C
Peak Output Current 10 mA Lead Temperature (Soldering, 10 sec.) 300°C
Differential Input Voltage l 5.0V
Input Voltage l 7.0V
Electrical Characteristics for TA = 25''C, v+ = +12v, v- = -6V, unless otherwise specified
Parameter Conditions LM1514 LM141 4 Units
Min Typ Max Min Typ Max
lnputOffsetVoltage Rs S 2000, VCM = 0V, VOUT = 1.4V 0.6 2.0 1.0 5.0 mV
Input Offset Current VCM = 0V, VOUT = 1.4V 0.8 3.0 1.2 5.0 pA
Input Bias Current 20 25 MA
Voltage Gain 1250 1000
Output Resistance 200 200 n
Differential Input Voltage Range , 5.0 i 5.0 V
Input Voltage Range v- = -- 7.0V i 5.0 , 5.0 V
Common Mode Rejection Ratio Rs S 2000. v- = --7,0V 80 100 70 100 dB
Positive Output Voltage VIN 2 7.0 mV, 0 S IOUT S -5.0 mA 2.5 3.2 4.0 2.5 3.2 4.0 V
Negative Output Voltage ViN S -7.0 mV --1.0 -O.5 0 - 1.0 -0.5 t) V
Strobed Output Voltage VSTROBE S 0.3V - 1.0 - 0.5 0 -1.0 -0.5 0 V
Strobe "o" Current VSTHOBE = 100 mV -1.2 - 2.5 -1.2 - 2.5 mA
Positive Supply Current VIN S - 7 mV 18 18 mA
Negative Supply Current " S - 7 mV - 14 - 14 mA
Power Consumption 180 300 180 300 mW
Response Time (Note 3) 30 30 ns
LM1514/LM1414: The following apply for TL S TA < TH (Note 4) unless otherwise spstoiiied
tnputOttset Voltage Rs S 2000, VoUT = 1.8V for TA = TL 3.0 6.5 mV
VCM = 0V, VOUT = 1.0V for TA = TH 3.0 6.5 mV
Input Bias Current 45 40 pA
f,C',1t''lgl',rt1ettli,s'nto' 3.0 5.0 WNI't
Input Offset Current VCM = 0V, Voor = 1.8V, TA = TL 7.0 7.5 p.A
VCM = OV, VOUT = 1.0V,TA = TH 3.0 7.5 p
Voltage Gain 1000 800
Output Sink Current VIN S -9.0 mV, VOUT 2 0V 2.8 4.0 1.6 2.5 mA
Note 1: Voltage values are with respect to network ground terminal. Positive current is defined as cunent into the referenced pin.
Not: 2: LM1514 ceramic package: The maximum junction temperature is + 1500, for operating at elevated temperatures. devices must be dermed linearly at 12.5
mwec. LM1414 ceramic package: The maximum junction temperature is + 125'C for operating at elevated temperatures. devices must be derated iinearly at 12.5
mWf''C. LM1414 molded package: The maximum junction temperature is +125°C, for operating at elevated temperatures. device: must be derated linearly at 10
Nola 3: The response time specified (see dMinitions) for a 100 mV input step with 5 mV overdrive.
Note 4.' For LM1514, TL = -55''C, TH = +125'C. For LM1414, TL = wc, TH = +70''C.
Vl-VlW'l/VLSI-W'I
This datasheet has been :
www.ic-phoenix.com
Datasheets for electronic components.
National Semiconductor was acquired by Texas Instruments.
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This file is the datasheet for the following electronic components:
LM1514N - product/lm1514n?HQS=TI-nu|I-nu|I-dscatalog-df-pf-null-wwe
LM1514J - productllm1514j?HQS=T|-nu|I-nulI-dscatalog-df—pf—nuII-wwe
LM1514 - productllm1514?HQS=T|—nu||—nu|I-dscatalog-df-pf-nulI-wwe
LM1514N - product/Im1514n?HQS=T|-nu|I-null-dscatalog-df-pf-nuIl-wwe
LM1514J - product/Im1514j?HQS=T|-nu|l-null-dscatalog-df-pf—nuII-wwe
LM1514 - product/Im1514?HQS=T|-nu|I-null-dscatalog-df—pf—nulI-wwe
