DG9262DY-T1

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The DG9262DY-T1 is an integrated analog switch/multiplexer/demultiplexer that comes with guaranteed break before make (BBM) switching characteristics, low switchon resistance, high isolation and low charge injection. It contains two BBM switches and a two-channel multiplexer/demultiplexer. The two CMOS digital control pins allow asynchronous, fully independent, twochannel multiplexer/demultiplexer operation.

The DG9262DY-T1 is typically used in Automatic Test Equipment (ATE), communications (fiber optics, base stations and routers), data acquisition systems, instrumentation, mixed signal systems (AVS, DSP, and video), switched capacitor filters, pulse gating and signal routing.

The working principle of a DG9262DY-T1 is based on the use of two CMOS control pins to choose either the multiplexer or demultiplexer operation. When an input control voltage is applied, its digital control pins (EN1/EN2) change their logic level to high (H) and low (L). The two digital control pins allow asynchronous independent two-channel multiplexer/demultiplexer operation.

For multiplexer operation, two binary-coded inputs (I3,I2,I1,I0) select one of the two SW1/SW2 switches. When EN1=H and EN2=L, SW2 will be connected to the multiplexer output (O). Similarly, when EN1=L and EN2=H, SW1 will be connected to the multiplexer output (O). For demultiplexer (or demux) operation, the two binary coded inputs (I3,I2,I1,I0) select one of the two SW3/SW4 switches. When EN1=H and EN2=L, O will be connected to SW4. Similarly, when EN1=L and EN2=H, O will be connected to SW3.

The DG9262DY-T1 is guaranteed BBM (break before make) operation and features a low switch-on resistance of 0.45Ω max. Its small package size and low power consumption make it ideal for space-sensitive, low-current applications. Other features include single +2.7V to +5.5V supply voltage, low-power consumption, and high isolation between inputs and outputs.

In conclusion, the DG9262DY-T1 is a versatile integrated analog switch/multiplexer/demultiplexer device with wide application field in the interface, automation, communications, and instrumentation market. It contains two BBM switches and a two-channel multiplexer/demultiplexer, allowing different graphical representation from a single input signal. The device is perfect for applications that require a low-power, low-cost, BBM analog switch/multiplexer/demultiplexer solution in a small package.

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