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)Aquisição de dados - conversores analógicos para digitais (ADC)

Aquisição de dados - conversores analógicos para digitais (ADC)

Produtos 5,632 encontrados

Lista de Produtos

1...21222324252627...113
Comparar Imagem Papel # Fabricante Descrição Inventário Modelo ECAD RoHS Número de Conversores A / D Número de bits Taxa de amostragem (por segundo) Data interface Voltage - Supply, Analog Voltage - Supply, Digital Número de Entradas Relação - S / H: ADC Arquitetura Tipo de referência Número do produto base Pacote Série Tipo de entrada Temperatura de operação Tipo de montagem Características Configuração Caixa / Gabinete Embalagem do dispositivo fornecedor Quantidade
ADS7049QDCURQ1 ADS7049QDCURQ1 Texas Instruments IC ADC 12BIT SAR 8VSSOP Disponível13004 pcs 1 12 2M SPI 2.35V ~ 3.6V 1.65V ~ 3.6V 1 1:1 SAR Supply ADS7049 Tape & Reel (TR) Automotive, AEC-Q101 Differential -40°C ~ 125°C Surface Mount - S/H-ADC 8-VFSOP (0.091', 2.30mm Width) 8-VSSOP
ADS5203IPFB ADS5203IPFB Texas Instruments IC ADC 10BIT PIPELINED 48TQFP Disponível15120 pcs 2 10 40M Parallel 3V ~ 3.6V 3V ~ 3.6V 2 1:1 Pipelined External, Internal ADS5203 Tray - Differential, Single Ended -40°C ~ 85°C Surface Mount Simultaneous Sampling S/H-ADC 48-TQFP 48-TQFP (7x7)
ADC0832CCN ADC0832CCN Texas Instruments IC ADC 8BIT SAR 8DIP Disponível17230 pcs 1 8 31.25k SPI 4.5V ~ 6.3V 4.5V ~ 6.3V 2 - SAR External ADC083 Tube - Differential, Pseudo-Differential, Single Ended -40°C ~ 85°C Through Hole - MUX-ADC 8-DIP (0.300', 7.62mm) 8-PDIP
ADS7809U/1K ADS7809U/1K Texas Instruments IC ADC 16BIT SAR 20SOIC Disponível1317 pcs 1 16 100k SPI, DSP 5V 5V 1 1:1 SAR External, Internal ADS7809 Tape & Reel (TR) - Single Ended -40°C ~ 85°C Surface Mount - S/H-ADC 20-SOIC (0.295', 7.50mm Width) 20-SOIC
TLC2543CN TLC2543CN Texas Instruments IC ADC 12BIT SAR 20DIP Disponível4330 pcs 1 12 66k SPI 5V 5V 11 1:1 SAR External TLC2543 Tube - Single Ended 0°C ~ 70°C Through Hole - MUX-S/H-ADC 20-DIP (0.300", 7.62mm) 20-PDIP
LTC2380IMS-24#PBF LTC2380IMS-24#PBF Analog Devices Inc. IC ADC 24BIT SAR 16MSOP Disponível574 pcs 1 24 2M SPI 1.71V ~ 5.25V 1.71V ~ 5.25V 1 1:1 SAR External LTC2380 Tube - Differential -40°C ~ 85°C Surface Mount - S/H-ADC 16-TFSOP (0.118", 3.00mm Width) 16-MSOP
AD7606C-16BSTZ AD7606C-16BSTZ Analog Devices Inc. IC ADC 16BIT SAR 64LQFP Disponível986 pcs 8 16 1M Serial, SPI, Parallel 4.75V ~ 5.25V 1.71V ~ 5.25V 8 0:1 SAR External, Internal - Tray - Differential, Single Ended -40°C ~ 125°C Surface Mount PGA, Simultaneous Sampling, True Bipolar, Temperature Sensor PGA-ADC 64-LQFP 64-LQFP (10x10)
MAX1241BESA+ MAX1241BESA+ Analog Devices Inc./Maxim Integrated IC ADC 12BIT SAR 8SOIC Disponível2971 pcs 1 12 73k SPI 2.7V ~ 5.25V 2.7V ~ 5.25V 1 1:1 SAR External MAX1241 Tube - Single Ended -40°C ~ 85°C Surface Mount - S/H-ADC 8-SOIC (0.154", 3.90mm Width) 8-SOIC
ADS8330IRSAR ADS8330IRSAR Texas Instruments IC ADC 16BIT SAR 16QFN Disponível10940 pcs 1 16 1M SPI 5V 1.65V ~ 5.5V 2 1:1 SAR External ADS8330 Tape & Reel (TR) - Differential, Single Ended -40°C ~ 85°C Surface Mount - S/H-ADC 16-VQFN Exposed Pad 16-QFN (4x4)
AD7812YRUZ AD7812YRUZ Analog Devices Inc. IC ADC 10BIT SAR 20TSSOP Disponível6123 pcs 1 10 350k DSP 2.7V ~ 5.5V 2.7V ~ 5.5V 7, 8 1:1 SAR External, Internal AD7812 Tube - Pseudo-Differential, Single Ended -40°C ~ 105°C Surface Mount - MUX-S/H-ADC 20-TSSOP (0.173', 4.40mm Width) 20-TSSOP
MAX1062BCUB+ MAX1062BCUB+ Analog Devices Inc./Maxim Integrated IC ADC 14BIT SAR 10UMAX Disponível2545 pcs 1 14 200k SPI 5V 2.7V ~ 5.25V 1 1:1 SAR External MAX1062 Tube - Single Ended 0°C ~ 70°C Surface Mount - S/H-ADC 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 10-uMAX/uSOP
AD7572AJR10 AD7572AJR10 Analog Devices Inc. IC ADC 12BIT SAR 24SOIC Disponível4320 pcs 1 12 - Parallel 5V, -11.4V ~ 16.5V +5V, -11.4V ~ 16.5V 1 - SAR Internal AD7572 Tube - Single Ended 0°C ~ 70°C Surface Mount - ADC 24-SOIC (0.295", 7.50mm Width) 24-SOIC
AD7820LRZ AD7820LRZ Analog Devices Inc. IC ADC 8BIT FLASH 20SOIC Disponível1053 pcs 1 8 - Parallel 5V 5V 1 1:1 Flash External AD7820 Tube - Single Ended -40°C ~ 85°C Surface Mount - S/H-ADC 20-SOIC (0.295", 7.50mm Width) 20-SOIC
ADS7959SRGER ADS7959SRGER Texas Instruments IC ADC 8BIT SAR 24VQFN Disponível23476 pcs 1 8 1M SPI 2.7V ~ 5.25V 1.7V ~ 5.25V 8 1:1 SAR External ADS7959 Tape & Reel (TR) microPOWER™ Single Ended -40°C ~ 125°C Surface Mount - MUX-S/H-ADC 24-VFQFN Exposed Pad 24-VQFN (4x4)
AD7475BRMZ-REEL AD7475BRMZ-REEL Analog Devices Inc. IC ADC 12BIT SAR 8MSOP Disponível6250 pcs 1 12 1M SPI, DSP 2.7V ~ 5.25V 2.7V ~ 5.25V 1 1:1 SAR External AD7475 Tape & Reel (TR) - Single Ended -40°C ~ 85°C Surface Mount - S/H-ADC 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP
LTC2471CMS#TRPBF LTC2471CMS#TRPBF Analog Devices Inc. IC ADC 16BIT SIGMA-DELTA 12MSOP Disponível13558 pcs 1 16 833 I²C 2.7V ~ 5.5V 2.7V ~ 5.5V 1 - Sigma-Delta Internal LTC2471 Tape & Reel (TR) - Single Ended 0°C ~ 70°C Surface Mount Selectable Address ADC 12-TSSOP (0.118', 3.00mm Width) 12-MSOP
LTC2480CMS#PBF LTC2480CMS#PBF Analog Devices Inc. IC ADC 16BIT SIGMA-DELTA 10MSOP Disponível13090 pcs 1 16 7.5 SPI 2.7V ~ 5.5V 2.7V ~ 5.5V 1 - Sigma-Delta External LTC2480 Tube - Differential 0°C ~ 70°C Surface Mount Temperature Sensor MUX-ADC 10-TFSOP, 10-MSOP (0.118', 3.00mm Width) 10-MSOP
ADC08351CIMTC ADC08351CIMTC Texas Instruments IC ADC 8BIT 20TSSOP Disponível12599 pcs 1 8 42M Parallel 2.7V ~ 3.6V 2.7V ~ 3.6V 1 1:1 - External - Bulk - Single Ended -40°C ~ 85°C Surface Mount - S/H-ADC 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP
MAX148ACAP+ MAX148ACAP+ Analog Devices Inc./Maxim Integrated IC ADC 10BIT SAR 20SSOP Disponível4411 pcs 1 10 133k SPI 2.7V ~ 5.25V 2.7V ~ 5.25V 4, 8 1:1 SAR External MAX148 Tube - Differential, Single Ended 0°C ~ 70°C Surface Mount - MUX-S/H-ADC 20-SSOP (0.209', 5.30mm Width) 20-SSOP
LTC1290DCSW#TRPBF LTC1290DCSW#TRPBF Analog Devices Inc. IC DAS/ADC 12BIT 50K 20SOIC Disponível1699 pcs 1 12 50k SPI 5V, ±5V 5V, ±5V 4, 8 1:1 SAR External LTC1290 Tape & Reel (TR) - Differential, Single Ended 0°C ~ 70°C Surface Mount - MUX-S/H-ADC 20-SOIC (0.295', 7.50mm Width) 20-SO
TLV2543IN TLV2543IN Texas Instruments IC ADC 12BIT SAR 20DIP Disponível2154 pcs 1 12 66k SPI 3V ~ 3.6V 3V ~ 3.6V 11 1:1 SAR External TLV2543 Tube - Single Ended -40°C ~ 85°C Through Hole - MUX-S/H-ADC 20-DIP (0.300', 7.62mm) 20-PDIP
ADS7817E/250 ADS7817E/250 Texas Instruments IC ADC 12BIT SAR 8VSSOP Disponível15438 pcs 1 12 200k SPI 5V 5V 1 1:1 SAR External ADS7817 Tape & Reel (TR) - Differential -40°C ~ 85°C Surface Mount - S/H-ADC 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-VSSOP
AD7791BRMZ-REEL AD7791BRMZ-REEL Analog Devices Inc. IC ADC 24BIT SIGMA-DELTA 10MSOP Disponível4299 pcs 1 24 120 SPI, DSP 2.5V ~ 5.25V 2.5V ~ 5.25V 1 - Sigma-Delta External AD7791 Tape & Reel (TR) - Differential -40°C ~ 105°C Surface Mount - ADC 10-TFSOP, 10-MSOP (0.118', 3.00mm Width) 10-MSOP
ADS7138QRTERQ1 ADS7138QRTERQ1 Texas Instruments IC ADC 12BIT SAR 16WQFN Disponível9163 pcs 1 12 - I²C 2.35V ~ 5.5V 1.65V ~ 5.5V 8 0:1 SAR External ADS7138 Tape & Reel (TR) Automotive, AEC-Q100 Single Ended -40°C ~ 125°C Surface Mount Internal Oscillator MUX-ADC 16-WFQFN Exposed Pad 16-WQFN (3x3)
ADS1234IPWR ADS1234IPWR Texas Instruments IC ADC 24BIT SIGMA-DELTA 28TSSOP Disponível5847 pcs 1 24 80 SPI 2.7V ~ 5.3V 2.7V ~ 5.3V 4 - Sigma-Delta External ADS1234 Tape & Reel (TR) - Differential, Single Ended -40°C ~ 105°C Surface Mount PGA MUX-PGA-ADC 28-TSSOP (0.173', 4.40mm Width) 28-TSSOP
ADS7827IDRBT ADS7827IDRBT Texas Instruments IC ADC 8BIT SAR 8SON Disponível20593 pcs 1 8 250k SPI 2.7V ~ 5.25V 2.7V ~ 5.25V 1 1:1 SAR External ADS7827 Tape & Reel (TR) microPOWER™ Pseudo-Differential -40°C ~ 85°C Surface Mount - S/H-ADC 8-VDFN Exposed Pad 8-SON (3x3)
ADC34J42IRGZT ADC34J42IRGZT Texas Instruments IC ADC 14BIT PIPELINED 48VQFN Disponível1106 pcs 4 14 50M JESD204B 1.7V ~ 1.9V 1.7V ~ 1.9V 4 - Pipelined External, Internal ADC34J42 Tape & Reel (TR) - Differential -40°C ~ 85°C Surface Mount Simultaneous Sampling ADC 48-VFQFN Exposed Pad 48-VQFN (7x7)
ADS826E ADS826E Texas Instruments IC ADC 10BIT PIPELINED 28SSOP Disponível15130 pcs 1 10 60M Parallel 5V 5V 1 1:1 Pipelined External, Internal ADS826 Tube - Differential, Single Ended -40°C ~ 85°C Surface Mount - S/H-ADC 28-SSOP (0.209', 5.30mm Width) 28-SSOP
LTC1867IGN#PBF LTC1867IGN#PBF Analog Devices Inc. IC ADC 16BIT SAR 16SSOP Disponível2052 pcs 1 16 200k SPI 5V 5V 8 1:1 SAR External, Internal LTC1867 Tube - Differential, Single Ended -40°C ~ 85°C Surface Mount - MUX-S/H-ADC 16-SSOP (0.154", 3.90mm Width) 16-SSOP
ADS8364Y/2K ADS8364Y/2K Texas Instruments IC ADC 16BIT SAR 64TQFP Disponível1257 pcs 6 16 250k Parallel 5V 5V 6 1:1 SAR External, Internal ADS8364 Tape & Reel (TR) - Differential -40°C ~ 85°C Surface Mount Selectable Address, Simultaneous Sampling S/H-ADC 64-TQFP 64-TQFP (10x10)
THS1206QDAR THS1206QDAR Texas Instruments IC ADC 12BIT PIPELINED 32TSSOP Disponível17500 pcs 1 12 6M Parallel 5V 3V ~ 5.25V 2, 4 4:1 Pipelined External, Internal THS120 Tape & Reel (TR) - Differential, Single Ended -40°C ~ 125°C Surface Mount Simultaneous Sampling S/H-MUX-ADC 32-TSSOP (0.240", 6.10mm Width) 32-TSSOP
ADS6425IRGCR ADS6425IRGCR Texas Instruments IC ADC 12BIT PIPELINED 64VQFN Disponível17620 pcs 4 12 125M LVDS - Serial 3V ~ 3.6V 3V ~ 3.6V 4 1:1 Pipelined External, Internal ADS6425 Tape & Reel (TR) - Differential -40°C ~ 85°C Surface Mount Simultaneous Sampling S/H-ADC 64-VFQFN Exposed Pad 64-VQFN (9x9)
AD876JR AD876JR Analog Devices Inc. IC ADC 10BIT PIPELINED 28SOIC Disponível16490 pcs 1 10 20M Parallel 5V 5V 1 1:1 Pipelined External AD876 Tube - Single Ended 0°C ~ 70°C Surface Mount - S/H-ADC 28-SOIC (0.295', 7.50mm Width) 28-SOIC
LTC2225CUH#PBF LTC2225CUH#PBF Analog Devices Inc. IC ADC 12BIT PIPELINED 32QFN Disponível5117 pcs 1 12 10M Parallel 2.7V ~ 3.4V 2.7V ~ 3.4V 1 1:1 Pipelined External, Internal LTC2225 Tube - Differential, Single Ended 0°C ~ 70°C Surface Mount - S/H-ADC 32-WFQFN Exposed Pad 32-QFN (5x5)
ADS7841ES ADS7841ES Texas Instruments IC ADC 12BIT SAR 16SSOP Disponível10906 pcs 1 12 200k SPI 2.7V ~ 3.6V, 5V 2.7V ~ 3.6V, 5V 4 1:1 SAR External ADS7841 Tube - Single Ended -40°C ~ 125°C Surface Mount - MUX-S/H-ADC 16-SSOP (0.154', 3.90mm Width) 16-SSOP
LTM9010IY-14#PBF LTM9010IY-14#PBF Analog Devices Inc. IC ADC 14BIT PIPELINED 140BGA Disponível97 pcs 8 14 105M LVDS - Serial 1.7V ~ 1.9V 1.7V ~ 1.9V 8 1:1 Pipelined External, Internal LTM9010 Tray - Differential -40°C ~ 85°C Surface Mount Simultaneous Sampling S/H-ADC 140-BFBGA 140-BGA (11.25x9)
AD7980BRMZ AD7980BRMZ Analog Devices Inc. IC ADC 16BIT SAR 10MSOP Disponível1553 pcs 1 16 1M SPI, DSP 2.375V ~ 2.625V 2.375V ~ 2.625V 1 1:1 SAR External AD7980 Tube PulSAR® Pseudo-Differential -40°C ~ 125°C Surface Mount - S/H-ADC 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 10-MSOP
ADS1256IDBT ADS1256IDBT Texas Instruments IC ADC 24BIT SIGMA-DELTA 28SSOP Disponível1908 pcs 1 24 30k SPI 5V 1.8V ~ 3.6V 4, 8 - Sigma-Delta External ADS1256 Tape & Reel (TR) - Differential, Single Ended -40°C ~ 85°C Surface Mount PGA MUX-PGA-ADC 28-SSOP (0.209', 5.30mm Width) 28-SSOP
ADC121S101CIMFX/NOPB ADC121S101CIMFX/NOPB Texas Instruments IC ADC 12BIT SAR SOT23-6 Disponível17325 pcs 1 12 1M SPI, DSP 2.7V ~ 5.25V 2.7V ~ 5.25V 1 1:1 SAR Supply ADC121S101 Tape & Reel (TR) - Single Ended -40°C ~ 125°C Surface Mount - S/H-ADC SOT-23-6 SOT-23-6
AD7892BR-3 AD7892BR-3 Analog Devices Inc. IC ADC 12BIT SAR 24SOIC Disponível7980 pcs 1 12 600k SPI, Parallel 5V 5V 2 1:1 SAR External, Internal AD7892 Tube - Single Ended -40°C ~ 85°C Surface Mount - S/H-ADC 24-SOIC (0.295", 7.50mm Width) 24-SOIC
AD9609BCPZ-80 AD9609BCPZ-80 Analog Devices Inc. IC ADC 10BIT PIPELINED 32LFCSP Disponível3578 pcs 1 10 80M Parallel 1.7V ~ 1.9V 1.7V ~ 1.9V 1 1:1 Pipelined External, Internal AD9609 Tray - Differential, Single Ended -40°C ~ 85°C Surface Mount - S/H-ADC 32-VFQFN Exposed Pad, CSP 32-LFCSP-VQ (5x5)
AD1674AR AD1674AR Analog Devices Inc. IC ADC 12BIT SAR 28SOIC Disponível12430 pcs 1 12 100k Parallel ±11.4V ~ 16.5V 5V 1 1:1 SAR External, Internal AD1674 Tube - Single Ended -40°C ~ 85°C Surface Mount - S/H-ADC 28-SOIC (0.295', 7.50mm Width) 28-SOIC
ADS8509IBDWR ADS8509IBDWR Texas Instruments IC ADC 16BIT SAR 20SOIC Disponível1378 pcs 1 16 250k SPI 5V 5V 1 1:1 SAR External, Internal ADS8509 Tape & Reel (TR) - Single Ended -40°C ~ 85°C Surface Mount - S/H-ADC 20-SOIC (0.295', 7.50mm Width) 20-SOIC
ADS8327IRSAT ADS8327IRSAT Texas Instruments IC ADC 16BIT SAR 16QFN Disponível15720 pcs 1 16 500k SPI 5V 1.65V ~ 5.5V 1 1:1 SAR External ADS8327 Tape & Reel (TR) - Differential, Single Ended -40°C ~ 85°C Surface Mount - S/H-ADC 16-VQFN Exposed Pad 16-QFN (4x4)
AD9200JRS AD9200JRS Analog Devices Inc. IC ADC 10BIT CMOS 20MSPS 28-SSOP Disponível10119 pcs 1 10 20M Parallel - - - - - - AD9200 Tube - - 0°C ~ 70°C Surface Mount - - 28-SSOP (0.209", 5.30mm Width) 28-SSOP
CS5508-BSZ CS5508-BSZ Cirrus Logic Inc. IC ADC 20BIT SIGMA-DELTA 20SOIC Disponível7720 pcs 1 20 100 SPI ±5V 3.15V ~ 5.5V 1 - Sigma-Delta External, Internal CS5508 Tube - Differential -40°C ~ 85°C Surface Mount Selectable Address MUX-ADC 20-SOIC (0.295", 7.50mm Width) 20-SOIC
ADS7825U ADS7825U Texas Instruments IC ADC 16BIT SAR 28SOIC Disponível512 pcs 1 16 40k SPI, Parallel 5V 5V 4 1:1 SAR External, Internal ADS7825 Tube - Single Ended -40°C ~ 85°C Surface Mount - S/H-ADC 28-SOIC (0.295', 7.50mm Width) 28-SOIC
ADS1258IRTCR ADS1258IRTCR Texas Instruments IC ADC 24BIT SIGMA-DELTA 48VQFN Disponível1876 pcs 1 24 125k SPI 5V 2.7V ~ 5.25V 8, 16 - Sigma-Delta External ADS1258 Tape & Reel (TR) - Differential, Single Ended -40°C ~ 105°C Surface Mount - MUX-ADC 48-VFQFN Exposed Pad 48-VQFN (7x7)
AD9627ABCPZ-125 AD9627ABCPZ-125 Analog Devices Inc. IC ADC 12BIT PIPELINED 64LFCSP Disponível366 pcs 2 12 125M Parallel 1.7V ~ 1.9V 1.7V ~ 1.9V 2 1:1 Pipelined External, Internal AD9627 Tray - Differential, Single Ended -40°C ~ 85°C Surface Mount Simultaneous Sampling S/H-ADC 64-VFQFN Exposed Pad, CSP 64-LFCSP-VQ (9x9)
LTC2258IUJ-14#PBF LTC2258IUJ-14#PBF Analog Devices Inc. IC ADC 14BIT PIPELINED 40QFN Disponível451 pcs 1 14 65M LVDS - Parallel, Parallel 1.7V ~ 1.9V 1.7V ~ 1.9V 1 1:1 Pipelined External, Internal LTC2258 Tube - Differential -40°C ~ 85°C Surface Mount - S/H-ADC 40-WFQFN Exposed Pad 40-QFN (6x6)
1...21222324252627...113
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