MC145502P datasheet, PDF - EEWORLD Datasheet

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MC145502P: Descriptionpcm codec-filter mono-circuit; File Size2MB，26 Pages; ManufacturerLansdale; Websitehttp://www.lansdale.com/

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MC145502P Overview

pcm codec-filter mono-circuit

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ML145502

ML145503

ML145505

PCM Codec–Filter Mono–Circuit

Legacy Device:

Motorola MC145502, MC145503, MC145505

The ML145502, ML145503, and ML145505 are all per channel PCM

Codec–Filter mono–circuits. These devices perform the voice digitization

and reconstruction as well as the band limiting and smoothing required

for PCM systems. The ML145503 is a general purpose device that is

offered in a 16–pin package. These are designed to operate in both syn-

chronous and asynchronous applications and contain an on–chip preci-

sion reference voltage. The ML145505 is a synchronous device offered in

a 16–pin DIP and wide body SOIC package intended for instrument use.

The ML145502 is the full–featured device which presents all of the

options of the chip. This device is packaged in a 22–pin DIP and a

28–pin chip carrier package

These devices are pin–for–pin replacements for Motorola’s first genera-

tion of MC14400/01/02/03/05 PCM mono–circuits and are upwardly

compatible with the MC14404/06/07 codecs and other industry standard

codecs. They also maintain compatibility with Motorola’s family of

MC33120 and MC3419 SLIC products.

The ML1455xx family of PCM Codec–Filter mono–circuits utilizes

CMOS due to its reliable low–power performance and proven capability

for complex analog/digital VLSI functions.

ML145502

• 22 Pin and 28 Pin Packages

• Transmit Bandpass and Receive Low–Pass Filter On–Chip

• Pin Selectable Mu–Law/A–Law Companding with Corresponding

Data Format

• On–Chip Precision Reference Voltage (3.15 V)

• Power Dissipation of 50 mW, Power–Down of 0.1 mW at ±5 V

• Automatic Prescaler Accepts 128 kHz, 1.536, 1.544, 2.048, and 2.56

MHz for Internal Sequencing

• Selectable Peak Overload Voltages (2.5, 3.15, 3.78 V)

• Access to the Inverting Input of the TxI Input Operational Amplifier

• Variable Data Clock Rates (64 kHz to 4.1 MHz)

• Complete Access to the Three Terminal Transmit Input Operational

Amplifiers

• An External Precision Reference May Be Used

ML145503—

Similar to the ML145502 Plus:

• 16–Pin Dip and SOIC 16 Packages

• Complete Access to the Three Terminal Transmit Input Operational

Amplifiers

ML145505

— Somewhat Similar To ML145503 Except:

• Common 64 kHz to 4.1 MHz Transmit/Receive Data Clock

P DIP 16 = EP

PLASTIC DIP

CASE 648

P DIP 22 = WP

PLASTIC DIP

CASE 708

SOG 16 = -5P

SOG PACKAGE

CASE 751G

PLCC 28 = -4P

PLCC PACKAGE

CASE 776

28 1

CROSS REFERENCE/ORDERING INFORMATION

LANSDALE

PACKAGE

MOTOROLA

P DIP 22

PLCC 28

P DIP 16

SO 16W

P DIP 16

SO 16W

MC145502P

MC145502FN

MC145503P

MC145503DW

MC145505P

MC145505DW

ML145502WP

ML145502-4P

ML145503EP

ML145503-5P

ML145505EP

ML145505-5P

Note:

Lansdale lead free (Pb) product, as it

becomes available, will be identified by a part

number prefix change from

MLE.

Page 1 of 26

www.lansdale.com

Issue A

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