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NE5751N

Audio processor - filter and control section

Philips Electronics 

Philips Semiconductors

Audio processor - filter and control section

Product specification

NE/SA5751

DESCRIPTION

The NE/SA5751 is a high performance low power CMOS audio

signal processing system. The NE/SA5751 subsystems include

complementary transmit/receive voice band (300-3000Hz), switched

capacitor bandpass filters with pre-emphasis and de-emphasis

respectively, a transmit low pass filter, peak deviation limiter for

transmit, a digitally controlled volume control with 30dB range (in

2dB steps), audio path mute switches, a programmable DTMF

generator, power- down circuitry for low current standby, power-on

reset capability, and an I2C interface. When the SA5751 is used

with an SA5750 (companding function), the complete audio

processing system of an AMPs or TACs cellular telephone is easily

implemented.

FEATURES

• Low power

• High performance

• 5V supply

• Built-in programmable DTMF generator

• Built-in digitally controlled volume control

• Built-in peak-deviation limit

• I2C Bus controlled

• Power-on reset

• Power-down capability

BENEFITS

• Very compact application

• Long battery life in portable equipment

• Complete cellular audio function with the SA5750

APPLICATIONS

• Cellular radio

• Mobile communications

• High performance cordless telephones

• 2-way radio

PIN CONFIGURATION

N PACKAGE

NC 1

VREF 2

TXBFIN 3

TXBFOUT 4

PREMPIN 5

VDD 6

DEMPOUT 7

VCIN 8

VCOUT1 9

VCOUT2 10

MUTET 11

MUTER 12

NE5751

24 NC

23 TXLFOUT

22 TXDTMFOUT

21 TXSIN

20 TXSOUT

19 GND

18 CLKIN

17 SDA

16 SCL

15 SA1

14 RXBFIN

13 VOXCTL

D1 Package

NC 1

28 NC

NC 2

27 NC

VREF 3

TXBFIN 4

TXBFOUT 5

PREMPIN 6

VDD 7

DEMPOUT 8

VCIN 9

VCOUT1 10

VCOUT2 11

MUTET 12

MUTER 13

NC 14

NE5751

26 TXLFOUT

25 TXDTMFOUT

24 TXSIN

23 TXSOUT

22 GND

21 CLKIN

20 SDA

19 SCL

18 SA1

17 RXBFIN

16 VOXCTL

15 NC

NOTE: Figure 1. Pin Configurations

1. Available in SOL (large surface mount) package only.

SR00656

ORDERING INFORMATION

DESCRIPTION

24-Pin Plastic Dual In-Line Package (DIP)

28-Pin Plastic Small Outline Large (SOL) package

24-Pin Plastic Dual In-Line Package (DIP)

28-Pin Plastic Small Outline Large (SOL) package

TEMPERATURE RANGE

0 to +70°C

0 to +70°C

-40 to +85°C

-40 to +85°C

ORDER CODE

NE5751N

NE5751D

SA5751N

SA5751D

DWG #

SOT248-1

SOT136-1

SOT248-1

SOT136-1

1990 Aug 17

1051

853-1452 00211

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