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MC145557P Datasheet (PDF) - Motorola, Inc

MC145557P Datasheet PDF - Motorola, Inc
Part # MC145557P
Download  MC145557P Download

File Size   342.14 Kbytes
Page   20 Pages
Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc
Description PCM Codec-Filter

MC145557P Datasheet (PDF)

Go To PDF Page Download Datasheet
MC145557P Datasheet PDF - Motorola, Inc

Part # MC145557P
Download  MC145557P Click to download

File Size   342.14 Kbytes
Page   20 Pages
Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc
Description PCM Codec-Filter

MC145557P Datasheet (HTML) - Motorola, Inc

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MC145557P Product details

PCM Codec-Filter



TheMC145554, MC145557, MC145564, and MC145567 are all per channel PCM Codec–Filters. These devices perform the voice digitization and reconstruction as well as the band limiting and smoothing required for PCM systems.They are designed to operate in both synchronous and asynchronous applications and contain an on–chip precision voltage reference. The MC145554(Mu–Law) and MC145557 (A–Law) are general purpose devices that are offered in 16–pin packages.



MC145554/57 (16–Pin Package)

• Fully Differential Analog Circuit Design for Lowest Noise

• Performance Specified for Extended Temperature Range of – 40 to + 85°C

• Transmit Band–Pass and Receive Low–Pass Filters On–Chip

• Active R–C Pre–Filtering and Post–Filtering

• Mu–Law Companding MC145554

• A–Law Companding MC145557

• On–Chip Precision Voltage Reference (2.5 V)

• Typical Power Dissipation of 40 mW, Power Down of 1.0 mW at ± 5 V



MC145564/67 (20–Pin Package) — All of the Features of the MC145554/57 Plus:

• Mu–Law Companding MC145564

• A–Law Companding MC145567

• Push–Pull Power Drivers with External Gain Adjust

• Analog Loopback




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About Motorola, Inc


Motorola, Inc. was an American multinational telecommunications company that was founded in 1928. It was headquartered in Schaumburg, Illinois and was one of the largest providers of mobile phones, telecommunication equipment, and semiconductors. Throughout its history, Motorola was known for its innovation in the field of telecommunications, including the development of the world's first commercially available cellular telephone, the DynaTAC, and the world's first two-way pager, the Pageboy.

In 2011, Motorola split into two separate companies: Motorola Mobility and Motorola Solutions. Motorola Mobility was later acquired by Google in 2012, and is now a subsidiary of Lenovo. Motorola Solutions focuses on public safety and commercial and industrial communication solutions. The company provides a wide range of products including two-way radios, mobile computing devices, and network infrastructure equipment.

Motorola was one of the pioneers of the mobile phone industry and has a rich history of innovation and technological advancements. The company's legacy continues through its subsidiaries and its technology and products continue to be used around the world.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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