PEB2265HV1.1 データシートの表示（PDF） - Siemens AG

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PEB2265HV1.1

Two Channel Codec Filter with IOM®-2 Interface (IOM®-2 – SICOFI®-2)

Siemens AG 

PEB 2265

Overview

1

Overview

The two Channel Codec Filter PEB 2265 IOM-2 – SICOFI-2 is the logic continuation of

a well-established family of Siemens Codec-Filter-ICs.

The IOM-2 – SICOFI-2 is a fully integrated PCM codec and filter fabricated in low power

1 µm CMOS technology for applications in digital communication systems. Based on an

advanced digital filter concept, the PEB 2265 provides excellent transmission

performance and high flexibility. The new filter concept (second generation) lends to a

maximum of independence between the different filter blocks. Each filter block can be

seen like an one to one representative of the corresponding network element.

Only very few external components are needed, to complete the functionality of the

IOM-2 – SICOFI-2. The internal level accuracy is based on a very accurate bandgap

reference. The frequency behavior is mainly determined by digital filters, which do not

have any fluctuations. As a result of the new ADC and DAC concepts linearity is only

limited by second order parasitic effects. Although the device works with only one single

5-V supply there is a very good dynamic range available.

Semiconductor Group

6

1997-07-01

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