圣邦微电子

SGM3799 0.5Ω, Low Voltage Dual, DPDT Analog Switch

GENERAL DESCRIPTION

The SGM3799 is a dual, ultra low on-resistance, low voltage, double-pole/double-throw (DPDT) CMOS analog switch. This device is designed for low operating voltage, high current switching of speaker output and earpiece for cellphone applications. It can switch a balanced stereo output.

The SGM3799 can handle a balanced microphone/ speaker/ring-tone generator in a monophone mode. It contains a break-before-make (BBM) feature.

The SGM3799 is configured as a dual double-pole/ double-throw (DPDT) analog switch with two logic control inputs that control two SPDT switches each. The configuration can be used as a dual differential 2-to-1 multiplexer/demultiplexer.

The SGM3799 is available in Green TQFN-2.6×1.8-16L package.



PIN CONFIGURATIONS


FEATURES

• Low Voltage Operation: 1.8V to 4.35V

• Ultra Low On-Resistance: 0.5Ω (TYP)

• Low On-Resistance Flatness

• -3dB Bandwidth: 70MHz

• Fast Switching Times (4.2V)

   tON = 52ns

   tOFF = 25ns

• Rail-to-Rail Input and Output Operation

• Low Power Consumption

• TTL/CMOS Compatible Logic Control

• -40 to +85 Operating Temperature Range

• Available in Green TQFN-2.6×1.8-16L Package


APPLICATIONS

Communication Systems

Cell Phones

Portable Instrumentation

Audio Signal Routing

Audio and Video Switching

PCMCIA Cards

Computer Peripherals

Modems

PDAs



ORDERING INFORMATION

Part Number Status Package Pins Pb-Free Temp Range
SGM3799YTQA16/TR Production TQFN-2.6×1.8-16L 16 Y -40℃ to +85℃ Samples

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