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MC145483SD

Name: MC145483SD
Rating: 4.7 (12 reviews)

IC CODEC-FILTER PCM 3V 20-SSOP

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製造商。部分 #MC145483SD
包 20-SSOP
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規格

Package	Tube
ProductStatus	Obsolete
Type	PCM, Filter
DataInterface	PCM Audio Interface
Resolution(Bits)	13 b
NumberofADCs/DACs	1 / 1
SigmaDelta	No
Voltage-SupplyDigital	2.7V ~ 5.25V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	20-SSOP (0.209, 5.30mm Width)

概述

Description

The MC145483SD is a part of the MC14548x series of digital signal processors developed by Motorola (now part of NXP Semiconductors). It is primarily used in telecommunications applications, particularly in digital telephone systems. This device functions as a codec (coder-decoder) and is designed to encode and decode voice signals, enabling efficient transmission over various communication channels.
Key features of the MC145483SD include its ability to support multiple voice channels, integrated analog-to-digital (ADC) and digital-to-analog (DAC) converters, and various coding algorithms that enhance audio quality and reduce bandwidth usage. The chip is typically employed in applications such as voice over IP (VoIP), digital private branch exchange (PBX) systems, and other telecommunication devices.
Overall, the MC145483SD plays a crucial role in modern digital communication systems by facilitating high-quality voice transmission while optimizing bandwidth and resource usage.

Features

The MC145483SD is a Dual Tone Multi-Frequency (DTMF) generator and decoder integrated circuit. Key features include:
1. DTMF Generation: It can generate DTMF signals for telephone applications, supporting all 16 DTMF frequencies.
2. Built-in Microcontroller Interface: The device interfaces easily with microcontrollers, allowing for straightforward integration in various electronic projects.
3. Low Power Consumption: Designed for efficiency, it operates at low power levels, making it suitable for battery-powered applications.
4. Programmable Output: Users can program specific tones and sequences, enhancing flexibility in its use.
5. Wide Operating Voltage: The MC145483SD works across a broad voltage range (typically 3V to 15V), providing versatility in different circuit designs.
6. Compact Package: It comes in a compact package, ideal for space-constrained applications.
These features make the MC145483SD suitable for telecommunications, remote control systems, and various consumer electronics.

Package

The MC145483SD is packaged in a 28-pin surface mount SOIC (Small Outline Integrated Circuit) format.

Pinout

The MC145483SD is an integrated circuit designed for digital data communication, specifically a dual 8-bit digital-to-analog converter (DAC). It features a total of 28 pins.
The key functions of the MC145483SD include:
- Data Input: It accepts 8-bit parallel data for conversion.
- Control Functions: Pins for chip select, write, and clock signals to manage data input.
- Analog Output: Dual output pins for the converted analog signals.
- Power Supply: Pins for power input and ground connections.
The device is commonly used in applications such as audio processing, signal generation, and other systems requiring precise analog outputs from digital inputs.
For more detailed specifications, including pin descriptions, refer to the manufacturer's datasheet.

Manufacturer

The MC145483SD is manufactured by ON Semiconductor, a company known for its semiconductor solutions. ON Semiconductor designs, manufactures, and sells a wide range of semiconductor components, including analog, digital, and mixed-signal devices. Their products are used in various applications, including automotive, industrial, communications, and consumer electronics. The company focuses on providing energy-efficient solutions and is recognized for its commitment to innovation and sustainability in the semiconductor industry.

Application

The MC145483SD is primarily used in telecommunications for generating Dual-Tone Multi-Frequency (DTMF) tones and handling touch-tone dialing. It can also be applied in embedded systems for audio signal generation, remote control applications, and interactive voice response systems. Additionally, it finds use in modems and other devices requiring tone generation and detection.

Equivalent

The MC145483SD is a dual-channel programmable gain amplifier designed for audio applications. Equivalent products include:
1. AD620 - Instrumentation amplifier with programmable gain.
2. INA217 - Low-noise instrumentation amplifier.
3. LM358 - Dual operational amplifier (not programmable gain but commonly used).
4. TLV2372 - Dual low-power op-amp.
Always verify specific requirements such as voltage, gain range, and packaging when selecting an equivalent.