Datasheet > TP3057-X

TP3057-X

更新时间： 2024-01-19 07:36:40

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
22页	1065K
描述
Extended Temperature Serial Interface CODEC/Filter COMBO Family

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TP3057-X 数据手册

TP3054-X, TP3057-X

www.ti.com

SNOSBY2C –MARCH 2005–REVISED APRIL 2013

Extended Temperature Serial Interface CODEC/Filter COMBO Family

Check for Samples: TP3054-X, TP3057-X

FEATURES

DESCRIPTION

The TP3054, TP3057 family consists of μ-law and A-

law monolithic PCM CODEC/filters utilizing the A/D

and D/A conversion architecture shown in Figure 3,

•

−40°C to +85°C Operation

Complete CODEC and Filtering System

(COMBO) Including:

and

a serial PCM interface. The devices are

–

Transmit High-Pass and Low-Pass Filtering

fabricated using TI's advanced double-poly CMOS

process (microCMOS).

Receive Low-Pass Filter with Sin x/x

Correction

The encode portion of each device consists of an

input gain adjust amplifier, an active RC pre-filter

which eliminates very high frequency noise prior to

entering a switched-capacitor band-pass filter that

rejects signals below 200 Hz and above 3400 Hz.

–

Active RC Noise Filters

μ-Law or A-Law Compatible COder and

DECoder

–

Internal Precision Voltage Reference

Serial I/O Interface

Also included are auto-zero circuitry and

companding coder which samples the filtered signal

and encodes it in the companded μ-law or A-law

PCM format. The decode portion of each device

consists of an expanding decoder, which reconstructs

the analog signal from the companded μ-law or A-law

code, a low-pass filter which corrects for the sin x/x

response of the decoder output and rejects signals

above 3400 Hz followed by a single-ended power

amplifier capable of driving low impedance loads. The

devices require two 1.536 MHz, 1.544 MHz or

2.048 MHz transmit and receive master clocks, which

may be asynchronous; transmit and receive bit

clocks, which may vary from 64 kHz to 2.048 MHz;

and transmit and receive frame sync pulses. The

timing of the frame sync pulses and PCM data is

compatible with both industry standard formats.

Internal Auto-Zero Circuitry

•

μ-Law, 16-Pin - TP3054

A-Law, 16-Pin - TP3057

Designed for D3/D4 and CCITT Spplications

±5V Operation

Low Operating Power - Typically 50 mW

Power-Down Standby Mode - Typically 3 mW

Automatic Power-Down

TTL or CMOS Compatible Digital Interfaces

Maximizes Line Interface Card Circuit Density

Dual-In-Line or PCC Surface Mount Packages

See also AN-370, “Techniques for Designing

with CODEC/Filter COMBO Circuits”

(SNLA136)

Connection Diagram

Figure 1. Plastic Chip Carriers (Top View)

Figure 2. Dual-In-Line Package (Top View)

Package Number NFG001E & DW0016B

Package Number FN0020A

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...22

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与TP3057-X相关器件

型号	品牌	获取价格	描述	数据表
TP3058	NSC	获取价格	MICROPROCESSOR COMPATIBLE COMBO-R
TP3058	ALLEGRO	获取价格	Transistor
TP3058J	NSC	获取价格	MICROPROCESSOR COMPATIBLE COMBO-R
TP3058J	TI	获取价格	MU-LAW, PCM CODEC, CDIP22, CERAMIC, DIP-22
TP3059	NSC	获取价格	MICROPROCESSOR COMPATIBLE COMBO-R
TP3059	ALLEGRO	获取价格	Transistor
TP3059J	NSC	获取价格	MICROPROCESSOR COMPATIBLE COMBO-R
TP3059N	TI	获取价格	IC,PCM CODEC,SINGLE,CMOS,DIP,22PIN,PLASTIC
TP306	ETC	获取价格	Analog IC
TP3060	VISHAY	获取价格	TRANSISTOR PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, CASE CT, 3 PIN, BIP General P

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