HV2201PJ-G

On-State Resistance (Max):	19 Ohm
Base Part Number:	HV2201
Supplier Device Package:	28-PLCC (11.5x11.5)
Package / Case:	28-LCC (J-Lead)
Operating Temperature:	0°C ~ 70°C (TA)
Features:	--
-3db Bandwidth:	50MHz
Voltage - Supply, Dual (V±):	±40 V ~ 160 V
Voltage - Supply, Single (V+):	40 V ~ 200 V
Series:	--
Number of Channels:	8
Switch Circuit:	SPST
Multiplexer/Demultiplexer Circuit:	1:1
Applications:	Ultrasound
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Introduction

HV2201PJ-G is a special purpose analog switch designed by Texas Instruments. It serves as an interface between analog and digital circuits, providing switching and isolation from each other. The device is packaged in an 18-pin PDIP (Plastic Dual-In-line Package) and it includes two independent analog switch channels. It is a bidirectional switch, which can be used to multiplex digital signals, attenuate analog signals, and/or protect sensitive digital or analog circuits as well.

Application Field

HV2201PJ-G is a general-purpose analog switch with a wide range of potential applications. In the context of audio signals, it can be used to switch between playback and recording devices, such as CD players, MP3 players, or MIDI devices. Likewise, it can be used in medical equipment, video displays, and computers for signal switching.The primary and most versatile application field for HV2201PJ-G lies in communications and automotive systems. It is typically used to switch between different transceivers in radio communications. In automotive systems, the analog switch can be used for a variety of automotive-related functions such as monitoring, signal routing, and remote control. Also, this device can be integrated into measurement and control systems, as it is capable of isolating one circuit from the other, protecting sensitive components from large currents or voltages.

Working Principle

HV2201PJ-G operates on low power supply voltage, typically ranging from 2.7 to 5.5 V; its control inputs are TTL / CMOS compatible. The device provides 2 channels, each of which can switch a signal between logic high (Vdd) and logic low (ground). It is a low voltage, low charge injection analog switch, with very low switching thresholds and input bias currents, making it suitable for both general purpose digital switch and analog switch applications. The two channels are controlled by separate drivers: enabling and disabling each channel can be done independently of the other. The device features low sensitivity to power supply noise, low charge injection on switching current, low quiescent supply current (1.5 mA max), low turn-on / off time (< 5 us max), and is ESD (ElectroStatic Discharge) protected up to 2KV. Furthermore, it has a low power consumption and is capable of driving up to 200pF load, making it a very capable analog switch.

Conclusion

HV2201PJ-G is a versatile, reliable, and cost-effective analog switch, that is suitable for many general-purpose and special purpose applications. Its low switch threshold, low charge injection, and low power consumption make it the perfect choice for switching and multiplexing applications in communications, automotive, audio and medical applications. Its ability to isolate sensitive components from large currents and voltage makes it suited for a variety of measurement and monitoring applications.

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