MTL4549Y MTL Driver Isolador | Conversor de Sinal
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Tipo:
Conversor de Sinal
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Sobre o Produto
MTL4549 Conversor de Sinal HART de 4-20mA de Canal Duplo
Especificações Principais
• Canais: 2 caminhos isolados de 4-20mA
• Suporte HART: bidirecional de 500Hz-10kHz
• Capacidade de Carga: 800Ω por canal (16V @ 20mA)
• Precisão: ±20µA @ 20°C (deriva de ±1µA/°C)
• Detecção de Falhas: circuito aberto/curto-circuito (MTL4549Y = apenas aberto)
Destaques de Desempenho
• Tempo de Resposta: 100ms para estabilizar dentro de 200µA
• Ripple: <40µA p-p sinal sem ruído
• Classificação de Segurança: Zona 0 IIC / Div.1 Grupo A
• Alimentação: 24V DC (70mA máx, dissipação de 1,6W)
Diferenças Principais
• MTL4549: Detecta tanto circuitos abertos (queda de 0,5mA) QUANTO curto-circuitos (<50Ω)
• MTL4549Y: Detecção apenas de circuito aberto (sem curto-circuito)
Aplicações Típicas
• Posicionadores de válvula duplos em refinarias
• Transmissores de pressão com suporte HART
• Laços de controle redundantes com monitoramento de falhas
• Sistemas de segurança que requerem isolamento de canal duplo
Certificações de Segurança
• Uo=28V, Io=93mA, Po=0,65W por canal
• Isolamento Um=253V AC/DC
• Classe de temperatura T4-T6
Quick Quotes & Info
- Quick Quotes: Receive pricing and availability fast from our dedicated customer service team.
- Delivery: Expedited, freight, and international shipping available worldwide.
- Warranty: NexAuto offers a 12-month warranty on all parts purchased from us, in addition to any manufacturer coverage.
- Returns: 30-day return policy for defective or mismatched parts, ensuring peace of mind.
- Payment: Flexible options including major credit cards, PayPal, and bank transfers.
- Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.

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