| bus voltage level translation |

Figure 1 - Using the IES5501 for bus voltage level translation in a mixed voltage system |
| backplane applications |

Figure 2 - The IES5501 in Backplane applications The top peripheral card uses an RC combination to have controlled start up, the 2nd peripheral card uses a microprocessor to start up the device. |
| multiplexer isolation amplifier |

Figure 3 - IES5501 multiplexer isolation amplifier |
| isolating the standard bus |

Application Note:- AN102 - Simplifing extended i2c system design with the IES5501 and P82B715 Figure 4 - IES5501 isolating the standard I2C bus from a P82B715 used as a line driver |
| bus multiplexer - single logic device |

Figure 5 - IES5501 bus multiplexer application driven from a single logic device |
| bus multiplexer |

Figure 6 - The IES5501 bus multiplexer application driven from an I2C I/O Expander |
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