ADG5408TCPZ-EP

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The ADG5408TCPZ-EP is an 8:1 analog switch from Texas Instruments based on monolithic CMOS technology. It is a member of the popular ADG5408 family, which is designed for a wide range of application fields such as measuring instrumentation, IoT, SLIC, ADC, DAC applications and the like. This switch has programmable control inputs and integrated high-impedance ESD protection diodes. It supports two analog single-ended signals via its two independent single-ended inputs. The switch has low and flat on-resistance (7 ohms) and low-pass-through leakage current while achieving high-speed switching operation up to 3.2 GHz.

The application field of the ADG5408TCPZ-EP is mainly in instrumentation, SLIC and semiconductor measurement in telecommunications applications. It can also be used for data acquisition and consumer electronics applications, such as automatic test equipment, RF switch for cellular base station, audio and video applications. Its low leakage current, low on-resistance and low power features make it best suited for a wide range of applications.

The working principle of the ADG5408TCPZ-EP is pretty straightforward. It uses an array of MOSFET switches to enable the user to make seamless selection between any one of eight single-ended analog inputs (IN1..IN8) and single-ended output (OUT). The switch operates via a digital control input (\$ A0..A2 ) that is used to select any one of the eight analog inputs. In addition, it also has two enable control pins (\$ E1 and \$ E2 ). The \$ E2 control input can be used to enable or disable the whole switch, while \$E1 is used to enable or disable the ESD protection diodes on the input side.

The ADG5408TCPZ-EP also provides integrated high-impedance ESD protection diodes, which provide additional protection in harsh environments. The diodes have a reverse blocking capability up to -6 V, making them suitable for use in high voltage environments.

Overall, the ADG5408TCPZ-EP is a versatile 8:1 analog switch from TI\'s ADG5408 family that provides low-pass-through leakage current and low on-resistance. It is best suited for applications in instrumentation, SLIC, ADC/DAC, telecommunications and consumer electronics.

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