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Application Field and Working Principle of TS5A23159DGSR

The TS5A23159DGSR is an Analog Switches, Multiplexers, Demultiplexers from Texas Instruments. It is a high performance single supply, dual SPDT CMOS analog switch that operates from 1.8V to 5.5V supply. The TS5A23159DGSR can be used as an SPST, SPDT, DPST, or DPDT type of switch. It is designed to be used in applications that require low power consumption and minimal signal switching.

Description of the Device

The device is a single supply cross-point switch with two separate non-interfering single pole double throw (SPDT) channels. There are twelve I/Os in the device: 8 digital control pins, 2 digital enable pins, 1 digital output pin, and 1 analog output pin. The digital control pins are used to control the switching of the analog signal. The digital enable pins allow for the device to be enabled for input or disabled for low power consumption when the device is not in use.

The TS5A23159DGSR has a wide supply voltage range from 1.8V to 5.5V. It also has a low power consumption with an operating current of 4.5mA and a standby current of 0.6mA. The device can handle an input voltage up to 5.5V, dropout voltage of 0.2V, and a slew rate of 4V/µs. It has a low on resistance of 0.026Ω and maximum off resistance of 132kΩ. The device also has a low crosstalk between channels at -70dB. The switch can also handle up to 100mA current. The device is also EMC compliant.

Application Field

The TS5A23159DGSR is suitable for a wide range of control, mix and demultiplexing switching applications. It can be used in audio systems for switching between audio source devices and providing multiple instances of the same audio signal. It can also be used to switch RF signals in communication systems or to mix two or more signals together. The device can be used in interactive displays, such as touch screens, to control the active display area. The device can also be used in low power sleep mode applications, allowing the device to be powered down when the system is not in use.

Working Principle

The TS5A23159DGSR’s working principle is based on the dual-channel switch design. The device consists of two independent SPST channels, each with its own digital control. The device can also be operated in SPST, SPDT, DPST, or DPDT mode, depending on the number of digital control signals used. To operate in DPST or DPDT mode, two or four digital control pins are used respectively. When all of the digital control pins are enabled, the analog signal is connected to the output. In sleep mode, the device is completely disabled and neither the digital or analog signals are enabled.

The TS5A23159DGSR also includes a built-in comparator that allows for the digital control pins to be used with either low or high logic levels. This allows the device to be used in both TTL and CMOS logic systems. The device also allows for the switching of both analog and digital signals.

Conclusion

The TS5A23159DGSR is a high performance single supply, dual SPDT CMOS analog switch that operates from 1.8V to 5.5V supply. It is suitable for a wide range of applications, including audio systems, communication systems, interactive displays, and low power sleep mode applications. The device is designed to provide low power consumption, minimal signal switching, and low crosstalk between channels. The dual-channel switch design with built-in comparator allows for the device to be used with either low or high logic levels.

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