public function getList($area, $offset) {
	 	$array = array();

	 	$sql = $this->db->prepare("SELECT item, sla, opening_date, brief_description, requester, status, area  FROM manutencao"); //ORDER BY item DESC LIMIT $offset, 10
	 	$sql->execute();

	 	if($sql->rowCount() > 0) {
	 		$array = $sql->fetchAll();
	 	}

	 	return $array;
	 }

<table class="highlight striped responsive-table" id="tabela" width="100%">
        <thead>
          <tr>
              <th>Item</th>
              <th>Setor</th>
              <th>SLA</th>
              <th>Título</th>
              <th>Solicitante</th>
              <th>Data de abertura</th>
              <th>Status</th>
              <th>Ações</th>
          </tr>
        </thead>

        <tbody>
           <?php foreach ($order_list as $os): ?>
          <tr>
            <td><strong><?php echo $os['item']; ?></strong></td>
            <td><?php echo $os['area']; ?></td>
            <td><?php echo $os['sla']; ?></td>
            <td style="white-space: normal;"><?php echo $os['brief_description']; ?></td>
            <td><?php echo $os['requester']; ?></td>
            <td><?php echo date('d/m/Y H:i', strtotime($os['opening_date'])); ?></td>
            <td width="100"><span class="new badge <?php echo $colores[$os['status']]; ?>" data-badge-caption=""><?php echo $statuses[$os['status']]; ?></span></td>
            <td>
              <a href="<?php echo BASE_URL; ?>/os/view/<?php echo $os['item']; ?>"><i title="Visualizar" class="small material-icons white-text teal darken-1 display">zoom_in</i></a><a href="<?php echo BASE_URL; ?>/os/edit/<?php echo $os['item']; ?>"><i title="Editar" class="small material-icons white-text blue accent-3 display">edit</i></a>
            </td>
          </tr>
          <?php endforeach; ?>
        </tbody>
      </table>

<script type="text/javascript">
$(document).ready(function() {
    $('#tabela').DataTable( {
       "processing": true,
           //    "serverSide": true,
                "deferLoading": 5000,

      // "serverSide": true,

       // "deferLoading": 57,
      responsive: true,
       "language": {
         //"url": "//cdn.datatables.net/plug-ins/9dcbecd42ad/i18n/Portuguese-Brasil.json",
          "emptyTable":     "Nenhum registro disponível.",
          "info":           "Mostrando de _START_ até _END_ de _TOTAL_ registros",
          "infoEmpty":      "Nenhum registro disponível.",
          "infoFiltered":   "(filtrado _MAX_ registros no total)",
          "lengthMenu":     "Registros por página _MENU_",
          "loadingRecords": "Carregando...",
          "processing":     "Processando...",
          "search":         "Pesquisar:",
          "zeroRecords":    "Nenhum registro encontrado.",
          "paginate": {
          "first":      "Primeiro",
          "last":       "Último",
          "next":       "<i class='material-icons'>navigate_next</i>",
          "previous":   "<i class='material-icons'>navigate_before</i>"
    }

      },
    } );
} );

</script>