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Amplificatoria Audio LM4991MAX/NOPB, 3.0-W, mono, ingressu analogico, amplificator audio Classis-AB, 8-SOIC -40 ad 85

Amplificatoria Audio LM4991MAX/NOPB, 3.0-W, mono, input analogus, amplificator audio Classis-AB, 8-SOIC -40 ad 85. Imago Praecipua.
  • Amplificatoria Audio LM4991MAX/NOPB, 3.0-W, mono, ingressu analogico, amplificator audio Classis-AB, 8-SOIC -40 ad 85

Descriptio Brevis:

Fabricatores: Texas Instruments
Categoria Producta: Amplificatores Audio
Scheda Datorum: LM4991MAX/NOPB
Descriptio: IC AMP CLASS AB MONO 1.5W 8SOIC
Status RoHS: RoHS congruens


Mitte nobis inscriptionem electronicam

Detalia Producti

Proprietates

APPLICATIONES

Etiquettae Productarum

♠ Descriptio Producti

Attributum Producti

Valor Attributi

Fabricator:

Instrumenta Texana

Categoria Producti:

Amplificatores Audio

RoHS:

Detalia

Series:

LM4991

Productum:

Amplificatores Audio

Classis:

Classis AB

Potentia Egressa:

Tres Occidenses

Modus Montandi:

SMD/SMT

Typus:

Monocanale Unius

Sarcina/Capsa:

SOIC-8

Impedentia Oneris Audio:

Tres Ohmiae

THD plus strepitus:

0.2%

Tensio Alimentaria - Maxima:

5.5 V

Tensio Alimentaria - Minimum:

2.2 V

Temperatura Operativa Minima:

- 40°C

Temperatura Maxima Operativa:

+85°C

Involucrum:

Rotula

Involucrum:

Taenia Seca

Involucrum:

MouseReel

Marca:

Instrumenta Texana

Numerus Canalium:

1 Canalis

Tensio Alimentationis Operativae:

2.2 V ad 5.5 V

Typus Producti:

Amplificatores Audio

PSRR - Ratio Rejectionis Fontis Electrici:

64 dB

Quantitas Sarcinae Fabricae:

2500

Subcategoria:

Circuiti Integrati Audio

Pondus Unitarium:

220 mg

♠ LM4991 Amplificator Potentiae Audio 3W cum Modo Clausurae

LM4991 est amplificator potentiae audio monophonicus cum ponte, capax 3W potentiae mediae continuae in onere 3Ω cum minore quam 10% THD tradere, cum a fonte potentiae 5V impulsum accipit (vide Notam infra). Ad energiam conservandam in applicationibus portatilibus, modus clausurae micropotentiae LM4991 (ISD = 0.1µA, typ.) activatur cum VDD ad clavum SHUTDOWN applicatur.

Amplificatores potentiae audio Boomer ad praebendum sonum exitum magnae potentiae et altae fidelitatis specialiter designati sunt. Paucis componentibus externis opus est et cum tensionibus parvis a 2.2V ad 5.5V operantur. Cum LM4991 non requirat condensatores copulationis exitus, condensatores bootstrap, aut retia snubber, aptissime aptus est systematibus portatilibus parvae potentiae quae minimum volumen et pondus requirunt.

Inter alias proprietates LM4991 sunt praesidium contra clausuram thermalem, stabilitas amplificationis unitatis, et configuratio amplificationis externa.

 


  • Praecedens: TPS61040DDCR Regulatores Tensionis Commutatoriae 28V, 400mA Convertores Augmentatoris Commutatorii
  • Deinde: Regulatores Tensionis LDO TPS79933DDCR 200mA PSRR Altum LDO 3.3V

  • • Praesto in fasciculis WSON et SOIC spatium conservantibus

    • Modus Clausurae Currentis Infimae

    • Onera capacitiva usque ad 500pF impellere potest

    • Circuitus Click et Pop emendatus sonos per transitiones accensionis et extinctionis minuit

    • Operatio 2.2 – 5.5V

    • Nullae capacitates copulationis egressus, retia snubber, capacitores Bootstrap, aut resistores amplificationis constituendae requiruntur.

    • Unitas-Lucrum Stabilis

    • Telephona mobilia sine filis et cellularia

    • PDAs

    • Computatra Portatilia

    • Computatra Desktopia

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