NLHV3157NDFT2G Integrated Circuits (ICs)

Voltage - Supply, Dual (V±):	--
Supplier Device Package:	SC-88/SC70-6/SOT-363
Package / Case:	6-TSSOP, SC-88, SOT-363
Operating Temperature:	-55°C ~ 125°C (TA)
Crosstalk:	-42dB @ 10MHz
Current - Leakage (IS(off)) (Max):	20µA
Channel Capacitance (CS(off), CD(off)):	6pF
Charge Injection:	170pC
-3db Bandwidth:	220MHz
Switch Time (Ton, Toff) (Max):	220ns, 225ns
Series:	--
Voltage - Supply, Single (V+):	--
Channel-to-Channel Matching (ΔRon):	200 mOhm
On-State Resistance (Max):	4.5 Ohm
Number of Circuits:	1
Multiplexer/Demultiplexer Circuit:	2:1
Switch Circuit:	SPDT
Part Status:	Active
Packaging:	Tape & Reel (TR)

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NLHV3157NDFT2G Application Field and Working Principle

NLHV3157NDFT2G, which belongs to the Interface – Analog Switches, Multiplexers and Demultiplexers, is a quad single-pole double-throw (SPDT) analog switch designed to address the cost, size and performance requirements of the highest performance applications. The device features low on-resistance (0.8$\times$R ON ), low voltage (1 V max), low leakage current, high bandwidth (~10 MHz) and integrated ESD protection (8 kV HBM).The NLHV3157NDFT2G uses advanced sub-micron CMOS and BiCMOS processes to achieve high performance, ultra-low-power operation, and significant area savings. The device can be used in a variety of applications, including switching and multiplexing of audio signals and analog-to-digital data streams, as well as bilevel logic-level conversions, mixed-signal I/O control, audio power amplifiers, wireless communication and high-speed testing.

Applications

The NLHV3157NDFT2G can be used in many applications that require low-voltage, and low-power analog switching. These applications include:

• Switching of audio signals and Analog-to-Digital data streams
• Bilevel Logic-Level conversions, Mixed-Signal I/O control, Audio power amplifiers
• Wireless communication, High-speed testing
• Electronic systems and Power management
• Consumer electronics, Sub-systems, Process control
• Communication systems and Robotics

Working Principle

The NLHV3157NDFT2G is composed of four independent single-pole double-throw (SPDT) switch channels. Each channel contains two N-channel MOSFETs that are controlled by a digital input signal. The digital control signal will, in turn, control the flow of the power signals between two power nodes. When the digital control signal is low, one of the N-channel MOSFETs is connected to the power signal, and the other is connected to the ground. This will cause the power signal to be routed to ground. When the digital control signal is high, the other N-channel MOSFET is connected to the power signal, and the other is connected to ground. This will cause the power signal to be routed to the output.The NLHV3157NDFT2G also uses a voltage rating system, where the lower voltage rating (1 V max) is suitable for power switching and the higher voltage rating (10 V max) is suitable for signal switching.The device has an ESD protection rating of 8 kV HBM, which is suitable for use in systems that are exposed to high voltage and potentially high electromagnetic interference (EMI).

Conclusion

NLHV3157NDFT2G is a single-pole double-throw (SPDT) analog switch designed for use in applications that require low-voltage and low-power switching. Its features include low on-resistance, high bandwidth, low leakage current, integrated ESD protection and low voltage. The NLHV3157NDFT2G can be used in a variety of applications that require low-voltage and low-power analog switching, such as switching of audio signals and analog-to-digital data streams, bilevel logic-level conversions, mixed-signal I/O control, audio power amplifiers, wireless communication and high-speed testing.

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