HT8955A

Name: HT8955A
Brand: Micron
Rating: 4.5 (10 reviews)
Author: Lisleapex

Audio Control IC, CMOS, PDIP24

7,389 Effective Inventory

HT8955A

Effective Inventory7,389

Audio Control IC, CMOS, PDIP24

Manufacturer Part # : HT8955A
Package/Case: DIP-24
Brand: Micron
Product Categories : Audio Special Purpose

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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

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About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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HT8955A DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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HT8955A Description

The HT8955A is a robust semiconductor component from Holmate Technology Corp., designed for voice modulation and includes a microphone, amplifier, and audio processor. This device allows for voice signal processing and noise reduction, as well as voice modulation and pitch shifting.

Pin Details

The HT8955A is a low-power semiconductor component with 8 pins for half-duplex communication. It includes pins for receiving, driving, and enabling signals, along with power supply and ground connections.

Pin configuration

Pin 1 (RO): Receiver Output
Pin 2 (RE): Receiver Output Enable
Pin 3 (DE): Driver Output Enable
Pin 4 (DI): Driver Input
Pin 5 (GND): Ground
Pin 6 (A): Non-inverting Receiver Input/Driver Output
Pin 7 (B): Inverting Receiver Input/Driver Output
Pin 8 (VCC): Positive Power Supply

Features

Voice Modulation: Allows for voice signal processing and noise reduction, as well as voice modulation and pitch shifting.
Low Power Consumption: Optimized for low power usage, ideal for battery-powered devices.
Wide Temperature Range: Operates efficiently between -40°C and +125°C.

Applications

The HT8955A is commonly used in systems that require voice modulation and processing, such as speech synthesis and voice recording devices.

Where to Use:

This device can be used in various applications including audio processing, voice recognition, and speech synthesis.

Manufacturer

The HT8955A was developed by Holmate Technology Corp., a global leader in semiconductor technology.

Packages

The HT8955A comes in an 8-pin SOIC-8 (Small Outline Integrated Circuit) package. This package is designed for surface-mount technology, offering a compact and efficient solution for integrating the transceiver into electronic circuits.

Equivalent Parts of HT8955A

SN65HVD75: A comparable semiconductor component from Texas Instruments with similar features and performance.
ADM4851: An alternative semiconductor component from Analog Devices that offers equivalent functionality.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Rohs Code	No	Part Life Cycle Code	Obsolete
ECCN Code	EAR99	HTS Code !	8542.39.00.01
JESD-30 Code	R-PDIP-T24	JESD-609 Code	e0
Number of Terminals	24	Operating Temperature-Max	70 °C
Operating Temperature-Min	-20 °C	Package Body Material	PLASTIC/EPOXY
Package Code	DIP	Package Equivalence Code	DIP24,.6
Package Shape	RECTANGULAR	Package Style	IN-LINE
Power Supplies !	5 V	Qualification Status !	Not Qualified
Supply Current-Max	8 mA	Surface Mount !	NO
Technology	CMOS	Temperature Grade !	COMMERCIAL
Terminal Finish	Tin/Lead (Sn/Pb)	Terminal Form !	THROUGH-HOLE
Terminal Pitch !	2.54 mm	Terminal Position	DUAL

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification HT8955A PDF Download

FAQs

What is HT8955A?

The HT8955A is a voice echo IC (Integrated Circuit) designed by Holtek Semiconductor. It is commonly used in voice-changing and audio effects applications, such as karaoke machines, toys, and novelty gadgets.

How Does HT8955A Work?

The HT8955A works by processing audio input signals to generate echo effects and voice modulation. It features adjustable parameters for echo delay, feedback, and voice pitch modification, allowing users to customize the audio effects according to their preferences. The IC also includes built-in analog and digital signal processing functions for easy integration into audio systems.

How Many Pins does HT8955A have and What are the Functions of the Pinout Configuration?

The HT8955A is housed in a 16-pin SOP (Small Outline Package) package. The pinout configuration includes:

VDD, VSS: Power supply pins.
ADCIN, DACOUT: Analog audio input and output pins.
INL, INR, OUTL, OUTR: Left and right channel audio input and output pins.
MIC1, MIC2: Microphone input pins for voice modulation.
SEL0, SEL1, SEL2: Selection pins for setting operation modes and parameters.
SDA, SCL: I2C serial interface pins for control and configuration.

What are the Pros and Cons of HT8955A?

Pros:

Versatile Application: Suitable for various audio effects and voice modulation applications.
Adjustable Parameters: Allows customization of echo effects, feedback levels, and voice pitch.
Built-in Signal Processing: Integrated analog and digital signal processing functions for simplified system design.
Cost-Effective Solution: Provides audio effects processing in a single IC, reducing external component costs.

Cons:

Complex Programming: Setting up and configuring the IC for specific effects may require programming expertise.
Limited Features: May not offer advanced audio processing capabilities compared to dedicated DSP chips.
System Integration: Requires accurate PCB layout and system integration for optimal performance.

Are There Any Equivalents/Alternatives to HT8955A for Recommendation?

The PT2399 from Princeton Technology Corporation is a similar audio effects IC commonly used for echo and delay effects.
Alternatives to the HT8955A include the ISD2590 from Nuvoton Technology and the XR2206 from Exar Corporation.