Ver tudo

Por favor, use a versão em inglês como a versão oficialRetornar

France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English) Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino) United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ) New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português) United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
CasaProdutosCircuitos integrados (ICs)Linear - amplificadores - instrumentação, amplificadores op, amplificadores de buffer

Linear - amplificadores - instrumentação, amplificadores op, amplificadores de buffer

Produtos 15,274 encontrados

Lista de Produtos

1...191192193194195196197...306
Comparar Imagem Papel # Fabricante Descrição Inventário Modelo ECAD RoHS -3db Bandwidth Pacote Número do produto base Tensão - extensão de oferta (máximo) Tensão - extensão de oferta (min) Tensão - decalagem Atual - Input Bias Gain Bandwidth Produto Taxa de excursão Atual - Saída / Canal Tipo amplificador Número de circuitos Embalagem do dispositivo fornecedor Caixa / Gabinete Tipo de saída Tipo de montagem Temperatura de operação Atual - Fornecimento Série Quantidade
NJM072BM-TE3 NJM072BM-TE3 Nisshinbo Micro Devices Inc. IC OPAMP JFET 2 CIRCUIT 8DMP Disponível10810 pcs - Tape & Reel (TR) - 36 V 8 V 3 mV 30 pA 3 MHz 13V/µs - J-FET 2 8-DMP 8-SOIC (0.197", 5.00mm Width) - Surface Mount -40°C ~ 85°C 3mA -
LM324AN LM324AN onsemi IC OPAMP GP 4 CIRCUIT 14MDIP Disponível15180 pcs - Tube LM324 32 V 3 V 1.5 mV 40 nA 1 MHz - 40 mA General Purpose 4 14-MDIP 14-DIP (0.300", 7.62mm) - Through Hole 0°C ~ 70°C 1.5mA -
AD8601ART-REEL7 AD8601ART-REEL7 Analog Devices Inc. IC OPAMP GP CMOS 8.4MHZ SOT23-5 Disponível11900 pcs - Cut Tape (CT) AD8601 5.5 V 2.7 V 80 µV 0.2 pA 8.4 MHz 6V/µs 50 mA General Purpose 1 SOT-23-5 SC-74A, SOT-753 Rail-to-Rail Surface Mount -40°C ~ 125°C 750µA DigiTrim®
AD712KRZ AD712KRZ Analog Devices Inc. IC OPAMP JFET 2 CIRCUIT 8SOIC Disponível5241 pcs 4 MHz Tube AD712 36 V 9 V 300 µV 25 pA - 20V/µs 25 mA J-FET 2 8-SOIC 8-SOIC (0.154", 3.90mm Width) - Surface Mount 0°C ~ 70°C 5mA -
THS4531AID THS4531AID Texas Instruments IC OPAMP DIFF 1 CIRCUIT 8SOIC Disponível23373 pcs - Tube THS4531 5.5 V 2.5 V 100 µV 200 nA 27 MHz 390V/µs - Differential 1 8-SOIC 8-SOIC (0.154", 3.90mm Width) Differential, Rail-to-Rail Surface Mount -40°C ~ 125°C 250µA -
EL8100IW-T7A EL8100IW-T7A Renesas Electronics America Inc IC OPAMP VFB 1 CIRCUIT SOT23-6 Disponível13510 pcs 200 MHz Tape & Reel (TR) EL8100 5 V 3 V 800 µV 1.5 µA 100 MHz 200V/µs 65 mA Voltage Feedback 1 SOT-23-6 SOT-23-6 Rail-to-Rail Surface Mount -40°C ~ 85°C 2mA -
ADA4807-4ARUZ ADA4807-4ARUZ Analog Devices Inc. IC OPAMP VFB 4 CIRCUIT 14TSSOP Disponível10253 pcs 28 MHz Tube ADA4807 11 V 2.7 V 140 µV 1.2 µA - 250V/µs 80 mA Voltage Feedback 4 14-TSSOP 14-TSSOP (0.173", 4.40mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C 1mA (x4 Channels) -
ISL28236FBZ-T7 ISL28236FBZ-T7 Renesas Electronics America Inc IC OPAMP GP 2 CIRCUIT 8SOIC Disponível11910 pcs - Tape & Reel (TR) ISL28236 5.5 V 2.4 V 20 µV 6 nA 5 MHz 1.8V/µs 70 mA General Purpose 2 8-SOIC 8-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C 2mA (x2 Channels) -
OPA354AIDBVT OPA354AIDBVT Texas Instruments IC OPAMP VFB 1 CIRCUIT SOT23-5 Disponível16445 pcs 250 MHz Tape & Reel (TR) OPA354 5.5 V 2.5 V 2 mV 3 pA 100 MHz 150V/µs 100 mA Voltage Feedback 1 SOT-23-5 SC-74A, SOT-753 Rail-to-Rail Surface Mount -40°C ~ 125°C 4.9mA -
OPA547FKTWT OPA547FKTWT Texas Instruments IC OPAMP GP 1 CIRC DDPAK/TO263-7 Disponível3357 pcs - Tape & Reel (TR) OPA547 60 V 8 V 1 mV 100 nA 1 MHz 6V/µs 750 mA General Purpose 1 DDPAK/TO-263-7 TO-263-8, D²Pak (7 Leads + Tab), TO-263CA - Surface Mount -40°C ~ 85°C 10mA -
MCP6002-E/SN MCP6002-E/SN Microchip Technology IC OPAMP GP 2 CIRCUIT 8SOIC Disponível138040 pcs - Tube MCP6002 6 V 1.8 V 4.5 mV 1 pA 1 MHz 0.6V/µs 23 mA General Purpose 2 8-SOIC 8-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C (TA) 100µA (x2 Channels) -
TLV2464IPWR TLV2464IPWR Texas Instruments IC OPAMP GP 4 CIRCUIT 14TSSOP Disponível30729 pcs - Tape & Reel (TR) TLV2464 6 V 2.7 V 500 µV 1.3 nA 6.4 MHz 1.6V/µs 80 mA General Purpose 4 14-TSSOP 14-TSSOP (0.173", 4.40mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C (TA) 550µA (x4 Channels) -
TS462CPT TS462CPT STMicroelectronics IC OPAMP GP 2 CIRCUIT 8TSSOP Disponível35710 pcs - Tape & Reel (TR) TS462 10 V 2.7 V 1 mV 200 nA 12 MHz 4V/µs - General Purpose 2 8-TSSOP 8-TSSOP (0.173", 4.40mm Width) Rail-to-Rail Surface Mount -20°C ~ 70°C 2mA (x2 Channels) -
LM258QT LM258QT STMicroelectronics IC OPAMP GP 2 CIRCUIT 8DFN Disponível160210 pcs - Tape & Reel (TR) LM258 30 V 3 V 5 mV 20 nA 1.1 MHz 0.6V/µs 40 mA General Purpose 2 8-DFN (2x2) 8-UFDFN Exposed Pad - Surface Mount -40°C ~ 105°C 700µA (x2 Channels) Automotive, AEC-Q100
LTC6244CDD#PBF LTC6244CDD#PBF Analog Devices Inc. IC CMOS 2 CIRCUIT 8DFN Disponível13477 pcs - Tube LTC6244 6 V 2.8 V 100 µV 1 pA 50 MHz 35V/µs 35 mA CMOS 2 8-DFN (3x3) 8-WFDFN Exposed Pad Rail-to-Rail Surface Mount 0°C ~ 70°C 6.25mA (x2 Channels) -
TL081BCDR TL081BCDR Texas Instruments IC OPAMP JFET 1 CIRCUIT 8SOIC Disponível73180 pcs - Tape & Reel (TR) TL081 36 V 7 V 2 mV 30 pA 3 MHz 13V/µs - J-FET 1 8-SOIC 8-SOIC (0.154", 3.90mm Width) - Surface Mount 0°C ~ 70°C 1.4mA -
AD8014ARZ AD8014ARZ Analog Devices Inc. IC OPAMP CFA 1 CIRCUIT 8SOIC Disponível18574 pcs 480 MHz Tube AD8014 12 V 4.5 V 2 mV 5 µA - 4600V/µs 50 mA Current Feedback 1 8-SOIC 8-SOIC (0.154", 3.90mm Width) - Surface Mount -40°C ~ 85°C 1.15mA -
MCP6022-I/ST MCP6022-I/ST Microchip Technology IC OPAMP GP 2 CIRCUIT 8TSSOP Disponível36482 pcs - Tube MCP6022 5.5 V 2.5 V 500 µV 1 pA 10 MHz 7V/µs 30 mA General Purpose 2 8-TSSOP 8-TSSOP (0.173", 4.40mm Width) Rail-to-Rail Surface Mount -40°C ~ 85°C (TA) 1mA (x2 Channels) -
LT6011CDD#PBF LT6011CDD#PBF Analog Devices Inc. IC OPAMP GP 2 CIRCUIT 8DFN Disponível9519 pcs - Tube LT6011 36 V 2.7 V 35 µV 20 pA 350 kHz 0.11V/µs 20 mA General Purpose 2 8-DFN (3x3) 8-WFDFN Exposed Pad Rail-to-Rail Surface Mount 0°C ~ 70°C 135µA (x2 Channels) LT®
LS204IN LS204IN STMicroelectronics IC OPAMP GP 2 CIRCUIT 8MINI DIP Disponível15430 pcs - Tube LS204 30 V 6 V 500 µV 50 nA 3 MHz 1.5V/µs 23 mA General Purpose 2 8-Mini DIP 8-DIP (0.300", 7.62mm) - Through Hole -40°C ~ 105°C 700µA -
NCS2002SN1T1G NCS2002SN1T1G onsemi IC OPAMP GP 1 CIRCUIT 6TSOP Disponível84620 pcs - Tape & Reel (TR) NCS2002 7 V 0.9 V 500 µV 10 pA 900 kHz 1.3V/µs 128 mA General Purpose 1 6-TSOP SOT-23-6 Thin, TSOT-23-6 Rail-to-Rail Surface Mount -40°C ~ 105°C 820µA -
TLV9051SIDBVR TLV9051SIDBVR Texas Instruments IC OPAMP GP 1 CIRCUIT SOT23-6 Disponível149940 pcs - Tape & Reel (TR) TLV9051 5.5 V 1.8 V 330 µV 2 pA 5 MHz 15V/µs 50 mA General Purpose 1 SOT-23-6 SOT-23-6 Rail-to-Rail Surface Mount -40°C ~ 125°C 330µA -
LT1058ISW LT1058ISW Analog Devices Inc. IC OPAMP JFET 4 CIRCUIT 16SO Disponível7790 pcs - Tube LT1058 36 V 20 V 350 µV 10 pA 5 MHz 13V/µs - J-FET 4 16-SO 16-SOIC (0.295", 7.50mm Width) - Surface Mount -40°C ~ 85°C 1.7mA (x4 Channels) LT®
TLC2262ID TLC2262ID Texas Instruments IC CMOS 2 CIRCUIT 8SOIC Disponível40145 pcs - Tube TLC2262 16 V 4.4 V 300 µV 1 pA 730 kHz 0.55V/µs 50 mA CMOS 2 8-SOIC 8-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C 425µA (x2 Channels) LinCMOS™
MC33202DMR2G MC33202DMR2G onsemi IC OPAMP GP 2 CIRCUIT 8MSOP Disponível104070 pcs - Tape & Reel (TR) MC33202 12 V 1.8 V 8 mV 80 nA 2.2 MHz 1V/µs 80 mA General Purpose 2 8-MSOP 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Rail-to-Rail Surface Mount -40°C ~ 105°C 900µA (x2 Channels) -
INA240A1D INA240A1D Texas Instruments IC CURRENT SENSE 1 CIRCUIT 8SOIC Disponível16893 pcs 400 kHz Tube INA240 5.5 V 2.7 V 5 µV 90 µA - 2V/µs - Current Sense 1 8-SOIC 8-SOIC (0.154", 3.90mm Width) - Surface Mount -40°C ~ 125°C 1.8mA -
AD8009JRT-REEL7 AD8009JRT-REEL7 Analog Devices Inc. IC OPAMP CF LDIST 175MA SOT23-5 Disponível13140 pcs 845 MHz Cut Tape (CT) AD8009 12 V 5 V 2 mV 50 µA - 5500V/µs 175 mA Current Feedback 1 SOT-23-5 SC-74A, SOT-753 - Surface Mount 0°C ~ 70°C 16mA -
LT1078S8#TRPBF LT1078S8#TRPBF Analog Devices Inc. IC OPAMP GP 2 CIRCUIT 8SO Disponível5732 pcs - Tape & Reel (TR) LT1078 30 V 2.2 V 80 µV 6 nA 200 kHz 0.1V/µs - General Purpose 2 8-SO 8-SOIC (0.154", 3.90mm Width) - Surface Mount 0°C ~ 70°C 39µA (x2 Channels) LT®
MC33179P MC33179P onsemi IC OPAMP QUAD LP LO NOISE 14DIP Disponível15210 pcs - Tube MC33179 36 V 4 V 150 µV 100 nA 5 MHz 2V/µs 100 mA General Purpose 4 14-PDIP 14-DIP (0.300", 7.62mm) - Through Hole -40°C ~ 85°C (TA) 1.7mA (x4 Channels) -
TLV274IPWR TLV274IPWR Texas Instruments IC OPAMP GP 4 CIRCUIT 14TSSOP Disponível66450 pcs - Tape & Reel (TR) TLV274 16 V 2.7 V 500 µV 1 pA 3 MHz 2.6V/µs 8 mA General Purpose 4 14-TSSOP 14-TSSOP (0.173", 4.40mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C 550µA (x4 Channels) -
AD8274ARZ AD8274ARZ Analog Devices Inc. IC OPAMP DIFF 1 CIRCUIT 8SOIC Disponível21039 pcs - Tube AD8274 36 V 5 V 300 µV - 20 MHz 20V/µs 90 mA Differential 1 8-SOIC 8-SOIC (0.154", 3.90mm Width) - Surface Mount -40°C ~ 85°C 2.3mA iPolar®
TLV2632IDGKR TLV2632IDGKR Texas Instruments IC OPAMP GP 2 CIRCUIT 8VSSOP Disponível59760 pcs - Tape & Reel (TR) TLV2632 5.5 V 2.7 V 1.1 mV 0.7 pA 9 MHz 10V/µs 28 mA General Purpose 2 8-VSSOP 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C 3.8mA (x2 Channels) -
ADA4004-2ARMZ ADA4004-2ARMZ Analog Devices Inc. IC OPAMP GP 2 CIRCUIT 8MSOP Disponível6316 pcs - Tube ADA4004 30 V 10 V 40 µV 40 nA 12 MHz 2.7V/µs 10 mA General Purpose 2 8-MSOP 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) - Surface Mount -40°C ~ 125°C - iPolar®
INA103KU/1K INA103KU/1K Texas Instruments IC INST AMP 1 CIRCUIT 16SOIC Disponível5249 pcs 6 MHz Tape & Reel (TR) INA103 50 V 18 V 30 µV 2.5 µA - 15V/µs 40 mA Instrumentation 1 16-SOIC 16-SOIC (0.295", 7.50mm Width) - Surface Mount 0°C ~ 70°C 9mA -
LTC2053CDD#TRPBF LTC2053CDD#TRPBF Analog Devices Inc. IC OPAMP ZERO-DRIFT 1 CIRC 8DFN Disponível6782 pcs - Tape & Reel (TR) LTC2053 11 V 2.7 V 5 µV 4 nA 200 kHz 0.2V/µs - Zero-Drift 1 8-DFN (3x3) 8-WFDFN Exposed Pad Rail-to-Rail Surface Mount 0°C ~ 70°C 950µA -
TLC1078IP TLC1078IP Texas Instruments IC CMOS 2 CIRCUIT 8DIP Disponível8057 pcs - Tube TLC1078 16 V 3 V 180 µV 1 pA 110 kHz 0.032V/µs 30 mA CMOS 2 8-PDIP 8-DIP (0.300", 7.62mm) - Through Hole -40°C ~ 85°C 29µA (x2 Channels) LinCMOS™
LT1490AHS8#TRPBF LT1490AHS8#TRPBF Analog Devices Inc. IC OPAMP GP 2 CIRCUIT 8SO Disponível9930 pcs - Tape & Reel (TR) LT1490 44 V 2 V 250 µV 1 nA 200 kHz 0.06V/µs 25 mA General Purpose 2 8-SO 8-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount -40°C ~ 85°C 50µA (x2 Channels) LT®
NCS333SQ3T2G NCS333SQ3T2G onsemi IC OPAMP ZERO-DRIFT 1 CIRC SC88A Disponível6730 pcs - Tape & Reel (TR) NCS333 5.5 V 1.8 V 10 µV 60 pA 350 kHz 0.1V/µs 25 mA Zero-Drift 1 SC-88A (SC-70-5/SOT-353) 5-TSSOP, SC-70-5, SOT-353 Rail-to-Rail Surface Mount -40°C ~ 105°C 17µA -
LT1206CS8#TRPBF LT1206CS8#TRPBF Analog Devices Inc. IC OPAMP CFA 1 CIRCUIT 8SO Disponível4824 pcs 60 MHz Tape & Reel (TR) LT1206 30 V 10 V 3 mV 10 µA - 900V/µs 1.2 A Current Feedback 1 8-SO 8-SOIC (0.154", 3.90mm Width) - Surface Mount 0°C ~ 70°C 20mA -
TLC1078CD TLC1078CD Texas Instruments IC CMOS 2 CIRCUIT 8SOIC Disponível7914 pcs - Tube TLC1078 16 V 1.4 V 180 µV 1 pA 110 kHz 0.032V/µs 30 mA CMOS 2 8-SOIC 8-SOIC (0.154", 3.90mm Width) - Surface Mount 0°C ~ 70°C 29µA (x2 Channels) LinCMOS™
OPA4251PA OPA4251PA Texas Instruments IC OPAMP GP 4 CIRCUIT 14DIP Disponível13960 pcs - Tube OPA4251 36 V 2.7 V 100 µV 20 nA 35 kHz 0.01V/µs 50 mA General Purpose 4 14-PDIP 14-DIP (0.300", 7.62mm) Rail-to-Rail Through Hole -40°C ~ 85°C - microPOWER™
OPA735AIDBVR OPA735AIDBVR Texas Instruments IC OPAMP ZER-DRIFT 1CIRC SOT23-5 Disponível19917 pcs - Tape & Reel (TR) OPA735 12 V 2.7 V 1 µV 100 pA 1.6 MHz 1.5V/µs 20 mA Zero-Drift 1 SOT-23-5 SC-74A, SOT-753 Rail-to-Rail Surface Mount -40°C ~ 85°C 600µA -
MAX4472ESD MAX4472ESD Analog Devices Inc./Maxim Integrated IC OPAMP GP 4 CIRCUIT 14SOIC Disponível4350 pcs - Tube MAX4472 5.5 V 1.8 V 500 µV 200 pA 9 kHz 0.002V/µs 36 mA General Purpose 4 14-SOIC 14-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount -40°C ~ 85°C 750nA (x4 Channels) -
OPA343NA/3K OPA343NA/3K Texas Instruments IC OPAMP GP 1 CIRCUIT SOT23-5 Disponível27760 pcs - Tape & Reel (TR) OPA343 5.5 V 2.5 V 2 mV 0.2 pA 5.5 MHz 6V/µs 50 mA General Purpose 1 SOT-23-5 SC-74A, SOT-753 Rail-to-Rail Surface Mount -40°C ~ 85°C 850µA MicroAmplifier™
AD8428ARZ-RL AD8428ARZ-RL Analog Devices Inc. IC INST AMP 1 CIRCUIT 8SOIC Disponível3814 pcs 3.5 MHz Tape & Reel (TR) AD8428 36 V 8 V 100 µV 200 nA - 50V/µs 30 mA Instrumentation 1 8-SOIC 8-SOIC (0.154", 3.90mm Width) - Surface Mount -40°C ~ 85°C 6.5mA -
MAX4478AUD MAX4478AUD Analog Devices Inc./Maxim Integrated IC OPAMP GP 4 CIRCUIT 14TSSOP Disponível16650 pcs - Tube MAX4478 5.5 V 2.7 V 70 µV 1 pA 10 MHz 3V/µs 48 mA General Purpose 4 14-TSSOP 14-TSSOP (0.173", 4.40mm Width) Push-Pull, Rail-to-Rail Surface Mount -40°C ~ 125°C 2.5mA (x4 Channels) -
VCA821ID VCA821ID Texas Instruments IC VARIABLE GAIN 1 CIRC 14SOIC Disponível8225 pcs 710 MHz Tube VCA821 12 V 7 V 4 mV 19 µA - 2500V/µs 90 mA Variable Gain 1 14-SOIC 14-SOIC (0.154", 3.90mm Width) - Surface Mount -40°C ~ 85°C 34mA -
AD844ANZ AD844ANZ Analog Devices Inc. IC OPAMP CFA 1 CIRCUIT 8DIP Disponível3134 pcs 60 MHz Tube AD844 36 V 9 V 50 µV 200 pA - 2000V/µs 80 mA Current Feedback 1 8-PDIP 8-DIP (0.300", 7.62mm) - Through Hole -40°C ~ 85°C 6.5mA -
LMX324ASD+ LMX324ASD+ Analog Devices Inc./Maxim Integrated IC OPAMP GP 4 CIRCUIT 14SOIC Disponível13950 pcs - Tube LMX324 7 V 2.3 V 1 mV 18 nA 1.3 MHz 1V/µs 70 mA General Purpose 4 14-SOIC 14-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C 480µA (x4 Channels) -
LMV981IRUGRG4 LMV981IRUGRG4 Texas Instruments IC OPAMP GP 1 CIRCUIT 8X2QFN Disponível17590 pcs - Tape & Reel (TR) LMV981 5 V 1.8 V 1 mV 15 nA 1.5 MHz 0.42V/µs - General Purpose 1 8-X2QFN (1.5x1.5) 8-XFQFN Rail-to-Rail Surface Mount -40°C ~ 125°C 116µA -
1...191192193194195196197...306
0 RFQ
Carrinho de compras (0 Items)
Ele está vazio.
Lista de comparação (0 Items)
Ele está vazio.
Opinião

Seu feedback é importante!Na Allelco, valorizamos a experiência do usuário e nos esforçamos para melhorá -la constantemente.
Compartilhe seus comentários conosco através do nosso formulário de feedback e responderemos prontamente.
Obrigado por escolher Allelco.

Assunto
O email
Observações
Código de Verificação
Arraste ou clique para fazer upload de arquivo
Subir arquivo
TIPOS: .xls, .xlsx, .doc, .docx, .jpg, .png e .pdf.
Max Tamanho do arquivo: 10 MB