HV2803/AHA

Number of Channels:	32
Supplier Device Package:	132-TFBGA (12x12)
Package / Case:	132-TFBGA, CSPBGA
Operating Temperature:	0°C ~ 70°C
Features:	--
-3db Bandwidth:	50MHz
Voltage - Supply, Dual (V±):	±4.5 V ~ 6.3 V
Voltage - Supply, Single (V+):	--
On-State Resistance (Max):	15 Ohm
Series:	--
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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HV2803/AHA Application Field and Working Principle

Interface - Analog Switches - Special PurposeThe HV2803/AHA is a multifunctional IC designed for general-purpose digital and analog signal switching. It has an advanced interface which is optimized for use in highly specialized applications, such as audio signal processing, voltage regulation, and photoelectric sensing, among others.This IC has three operating modes – "On/off" mode, "timer" mode, and "external" mode. In On/off mode, the HV2803/AHA allows for the switching of digital and analog signals with a device-specific logic level. In timer mode, timed intervals of analog switching can be programmed while in external mode, the IC can be used to control external devices through its embedded control inputs or externally triggered signals. Furthermore, the IC is suited for pulse-width modulation (PWM) operations, as well as frequency-setting operations.The HV2803/AHA features a high-speed switch (HS-SENS), low-power GPIO (LO-SENS), and high-current supply (HC-SENS) input. HS-SENS allows for faster switching compared to traditional analog switches. It also features protection against any ESD damage that might occur.The HV2803/AHA is an ideal solution for a variety of high-speed, low-power and high-current applications. It can be used in audio signal processing, audio mixing, voltage regulation, photodetection, and other various applications in industrial, automotive, and consumer products. It can be used to enable high-quality audio signals to be generated and routed to audio systems. It can also be used as voltage regulators and photoelectric sensors. Additionally, the IC can be used to monitor the output level of a regulated DC power supply, for example to monitor the battery level in an automotive system. With its low-power configuration and wide range of operating modes, the HV2803/AHA IC is an excellent choice for a wide range of digital and analog signal switching applications.In its most basic operation, the HV2803/AHA’s ‘on/off’ mode allows the user to enable or disable the switching of analog signals. This capability is perfect for applications such as audio signal processing, photoelectric sensing, and other applications. Through the use of the HS-SENS, LO-SENS and HC-SENS input options, the ‘on/off’ mode allows users to fine-tune the switching activity to suit their particular needs.In addition to its ‘on/off’ mode, the HV2803/AHA also features a ‘timer’ mode. This mode enables timed intervals of analog switching. This is useful for applications that require a certain amount of time for the analog circuitry to settle such as a voltage regulator. By setting a timer, the IC can guarantee that the input signal has enough time to settle before it is switched.The last operating mode of the HV2803/AHA is the ‘external’ mode. This mode enables the user to control the switch by external signals or user-defined logic inputs. This feature eliminates the need for a timer and therefore simplifies user-defined logic sequences. This is especially useful in applications such as photodetection and audio mixing, where the user can define the switching activity based on the input signals. Pulse-width modulation (PWM) and frequency-setting operations can also be performed with the HV2803/AHA, as they are supported by the external mode. This makes the IC an attractive choice for applications such as remote sensing or active noise cancellation. Finally, the HV2803/AHA IC is protected by ESD protection on its three inputs, which helps ensure its correct operation even in more demanding environments.In conclusion, the HV2803/AHA is a versatile IC that can be used for a wide range of application in both digital and analog signal switching. Its advanced interface is optimized for high-efficiency switching, and its ability to switch at high-speed and low-power makes it a great choice for many industrial, automotive and consumer applications. With its embedded ESD protection, the IC provides reliable and robust operation against electrical shocks, making it suitable for high-reliability applications.

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