BU8776KN LSI Computer Systems, Inc., BU8776KN Datasheet

BU8776KN

Manufacturer Part Number

BU8776KN

Description

Manufacturer

LSI Computer Systems, Inc.

Datasheet

1.BU8776KN.pdf (2 pages)

Available stocks

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Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

BU8776KN

Quantity:

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

BU8776KN-E2

Manufacturer:

MITSUBISHI

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Company:

Meier Automation Equipment Co., Limited

Part Number:

BU8776KN-E2

Manufacturer:

ROHM/罗姆

Quantity:

20 000

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BU8776KN is PCM CODEC deveolped for digital

cellular phones. High-precision linear CODEC and

each audio part are integrated into a single chip by

mixed signal technology. Compact and thin QFN48U

package is adopted.

1) +3V single power supply (V

2) 14bit high-precision linear µ/A-LAW CODEC

3) Transmission filter in CODEC (Based on ITU-T G.714)

4) Built-in PLL circuit for generating system clock

5) Built-in DSP I/F for PDC, N-CDMA

6) Serial I/F for register setting adapted for 3-wire serial type

7) Selectable PCM data transmission clock frequency

8) Wide variety of Analog I/O functions

9) QFN48U small, thin package

Description

Features

Applications

PDC/CDMA/GSM type digital cellular phones

*Built-in two microphone amplifiers

*Built-in speaker amplifier for receiver (32 BTL type)

*Built-in speaker amplifier for earphone (32 single type)

*Built-in driver amplifier for receiving REXT (600 )

*Built-in electronic volume for gain control

*Built-in deta signal I/O circuit can connect outside

*REXT, earphone, and receiver output reduce the pop noise

by soft mute when power is ON/OFF.

(Differential input type, single input type)

(Receiving, Transmitting, TONE)

µ/A-LAW

Linear

PCM CODEC for Digital cellular phones

128kHz~2048kHz

64kHz~2048kHz

=2.7~3.3V)

BU8776KN

Dimension (Units : mm)

1.4 ± 0.1

0.6

+0.1

-0.3

0.18 ± 0.05

0.4

0.05 M

QFN48U

12°

November, 2001

7.2 ± 0.1

7.0 ± 0.1

12°

01W127A

0.05

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BU8776KN Summary of contents

Page 1

... PCM CODEC for Digital cellular phones Description BU8776KN is PCM CODEC deveolped for digital cellular phones. High-precision linear CODEC and each audio part are integrated into a single chip by mixed signal technology. Compact and thin QFN48U package is adopted. Features 1) +3V single power supply ( 14bit high-precision linear µ ...

Page 2

... SPOUT ON by REFPON ON by VCPON ON by TGPON ON by VOPON ON by SPON or TGPON ON by RXPON ON by EARON ●Comparision table Part No. BU8776KN Function PCM CODEC Supply voltage range 2.7~3.3V Operating mode 8.0mA consumption current (TYP.) Stand-by mode 0.1µA consumption current (TYP.) Filter structure · ...

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