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TP3056BN Datasheet

  • TP3056BN

  • MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER

  • 19頁(yè)

  • TI

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TP3056B
MONOLITHIC SERIAL INTERFACE
COMBINED PCM CODEC AND FILTER
SLWS072A 鈥?MAY 1998 鈥?REVISED AUGUST 1998
D
Complete PCM Codec and Filtering
Systems Include:
鈥?Transmit High-Pass and Low-Pass
Filtering
鈥?Receive Low-Pass Filter With (sin x)/x
Correction
鈥?Active RC Noise Filters
鈥?/div>
碌-Law
and A-Law Compatible Coder and
Decoder
鈥?Internal Precision Voltage Reference
鈥?Serial I/O Interface
鈥?Internal Autozero Circuitry
D
D
D
D
D
D
D
碌-Law/A-Law
Operation Pin-Selectable
鹵
5 -V Operation
Low Operating Power . . . 60 mW Typ
Power-Down Mode . . . 5 mW Typ
Automatic Power Down
TTL- or CMOS-Compatible Digital Interface
Maximizes Line Interface Card Circuit
Density
description
The TP3056B monolithic serial interface
combined PCM codec and filter device is
comprised of a single-chip PCM codec (pulse
code-modulated encoder and decoder) and
analog filters. This device provides all the
functions required to interface a full-duplex
(2-wire) voice telephone circuit with a TDM
(time-division-multiplexed) system. Primary
applications include:
DW OR N PACKAGE
(TOP VIEW)
V
BB
ANLG GND
VFRO
V
CC
FSR
DR
ASEL
PDN
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VFXI +
VFXI 鈥?/div>
GSX
TSX
FSX
DX
BCLK
MCLK
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Line interface for digital transmission and
switching of T1/E1 carrier, PABX, and central
office telephone systems
Subscriber line concentrators
Digital-encryption systems
Digital voice-band data-storage systems
Digital signal processing
The TP3056B is designed to perform the transmit encoding (A/D conversion) and receive decoding (D/A
conversion), and the appropriate filtering of analog signals in a PCM system. This device is intended to be used
at the analog termination of a PCM line or trunk. It requires a master clock of 2.048 MHz, a transmit/receive data
clock that is synchronous with the master clock (but can vary from 64 kHz to 2.048 MHz), and transmit and
receive frame-sync pulses. The TP3056B contains patented circuitry to achieve low transmit channel idle noise
and is not recommended for applications in which the composite signals on the transmit side are below
鈥?55 dBm0.
This device, available in 16-pin N PDIP (plastic dual-in-line package) and 16-pin DW SOIC (small outline IC)
packages, is characterized for operation from 0擄C to 70擄C.
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.
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
漏
1998, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

TP3056BN 產(chǎn)品屬性

  • 25

  • 集成電路 (IC)

  • 接口 - 編解碼器

  • -

  • PCM 編解碼器/濾波器

  • 串行

  • 8 b

  • 1 / 1

  • 無(wú)

  • -

  • -

  • 4.75 V ~ 5.25 V

  • 4.75 V ~ 5.25 V

  • 0°C ~ 70°C

  • 通孔

  • 16-DIP（0.300"，7.62mm）

  • 16-PDIP

  • 管件

  • 296-10786-5

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