TP3057BDWR

Manufacturer Part NumberTP3057BDWR
DescriptionAudio CODECs Mono Serial Intfc PCM Codec/Filter
ManufacturerTexas Instruments
TP3057BDWR datasheet
 


Specifications of TP3057BDWR

Number Of Adc Inputs1Number Of Dac Outputs1
Interface TypeSerialMaximum Operating Temperature+ 70 C
Mounting StyleSMD/SMTPackage / CaseSOIC-16
Minimum Operating Temperature0 CNumber Of Channels1 ADC, 2 DAC
Lead Free Status / RoHS StatusLead free / RoHS Compliant  
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D
Complete PCM Codec and Filtering
Systems Includes:
– Transmit High-Pass and Low-Pass
Filtering
– Receive Low-Pass Filter With (sin x)/x
Correction
– Active RC Noise Filters
-Law or A-Law Compatible Coder and
Decoder
– Internal Precision Voltage Reference
– Serial I/O Interface
– Internal Autozero Circuitry
description
The TP3054B, TP3057B, TP13054B, and
TP13057B are comprised of a single-chip PCM
codec (pulse-code-modulated encoder and de-
coder) and PCM line filter. These devices provide
all the functions required to interface a full-duplex
(2-wire) voice telephone circuit with a TDM
(time-division-multiplexed) system. These de-
vices are pin-for-pin compatible with the National
Semiconductor TP3054B and TP3057B, respec-
tively. Primary applications include:
Line interface for digital transmission and
switching of T1 carrier, PABX, and central
office telephone systems
Subscriber line concentrators
Digital-encryption systems
Digital voice-band data-storage systems
Digital signal processing
These devices are designed to perform the transmit encoding (A/D conversion) and receive decoding (D/A
conversion) as well as the transmit and receive filtering functions in a PCM system. They are intended to be
used at the analog termination of a PCM line or trunk. The devices require two transmit and receive master
clocks that may be asynchronous (1.536 MHz, 1.544 MHz, or 2.048 MHz), transmit and receive data clocks that
are synchronous with the master clock (but can vary from 64 kHz to 2.048 MHz), and transmit and receive
frame-sync pulses. The TP3054B, TP3057B, TP13054B, and TP13057B provide the band-pass filtering of the
analog signals prior to encoding and after decoding of voice and call progress tones. The TP3054B and
TP13054B contain patented circuitry to achieve low transmit channel idle noise and are not recommended for
applications in which the composite signals on the transmit side are below – 55 dBm0.
The TP3054B and TP3057B are characterized for operation from 0 C to 70 C. The TP13054B and TP13057B
are characterized for operation from – 40 C to 85 C.
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 CMOS 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.
TP3054B, TP3057B, TP13054B, TP13057B
MONOLITHIC SERIAL INTERFACE
COMBINED PCM CODEC AND FILTER
D
-Law – TP3054B and TP13054B
D
A-Law – TP3057B and TP13057B
D
5-V Operation
D
Low Operating Power . . . 50 mW Typ
D
Power-Down Standby Mode . . . 3 mW Typ
D
Automatic Power Down
D
TTL- or CMOS-Compatible Digital Interface
D
Maximizes Line Interface Card Circuit
Density
D
Improved Versions of National
Semiconductor TP3054, TP3057, TP3054-X,
TP3057-X
ANLG GND
VFRO
V
FSR
BCLKR/CLKSEL
MCLKR/PDN
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
SCTS042A – MAY 1990 – REVISED JULY 1996
DW OR N PACKAGE
(TOP VIEW)
VFXI +
V
1
16
BB
VFXI –
2
15
GSX
3
14
TSX
4
13
CC
FSX
5
12
DR
DX
6
11
BCLKX
7
10
MCLKX
8
9
Copyright
1996, Texas Instruments Incorporated
1

TP3057BDWR Summary of contents

  • Page 1

    ... 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 CMOS 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. ...

  • Page 2

    TP3054B, TP3057B, TP13054B, TP13057B MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER SCTS042A – MAY 1990 – REVISED JULY 1996 functional block diagram R2 Analog Input R1 15 VFXI – – 16 VFXI + + 3 VFRO Power Amplifier 5 ...

  • Page 3

    TERMINAL NAME NO. ANLG GND 2 Analog ground. All signals are referenced to ANLG GND. BCLKR/CLKSEL 7 The bit clock that shifts data into DR after the FSR leading edge. May vary from 64 kHz to 2.048 MHz. Alternately, BCLKR/CLKSEL ...

  • Page 4

    TP3054B, TP3057B, TP13054B, TP13057B MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER SCTS042A – MAY 1990 – REVISED JULY 1996 absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Supply voltage, V (see Note 1) CC Supply voltage, ...

  • Page 5

    PARAMETER PARAMETER Power down Supply current from V CC Supply current from V CC Active Power down I BB ...

  • Page 6

    TP3054B, TP3057B, TP13054B, TP13057B MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER SCTS042A – MAY 1990 – REVISED JULY 1996 operating characteristics, over operating free-air temperature range –5 V 5%, GND 1.2276 ...

  • Page 7

    PARAMETER TP3054B, TP13054B Maximum peak transmit overload level Maximum peak transmit overload level TP3057B, TP13057B Transmit filter gain, absolute (at 0 dBm0) Transmit filter gain, relative to absolute Transmit filter gain relative to absolute Absolute ...

  • Page 8

    TP3054B, TP3057B, TP13054B, TP13057B MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER SCTS042A – MAY 1990 – REVISED JULY 1996 envelope delay distortion with frequency PARAMETER Transmit delay, absolute (at 0 dBm0) Transmit delay, relative to absolute Receive delay, absolute ...

  • Page 9

    PARAMETER 100 mVrms, V Positive power-supply rejection, transmit VFXI+ = – 50 dBm0 VFXI+ = – 50 dBm0 – 100 mVrms, V Negative power-supply rejection, ...

  • Page 10

    TP3054B, TP3057B, TP13054B, TP13057B MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER SCTS042A – MAY 1990 – REVISED JULY 1996 crosstalk PARAMETER Crosstalk, transmit-to-receive Crosstalk, receive-to-transmit (see Note 7) † All typical values are ...

  • Page 11

    PARAMETER MEASUREMENT INFORMATION MCLKX 80% 80% 80% MCLKR 20% 20% 20 su1 t su1 80% 80% BCLKX 1 2 20% 20 su2 FSX 20 ...

  • Page 12

    TP3054B, TP3057B, TP13054B, TP13057B MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER SCTS042A – MAY 1990 – REVISED JULY 1996 system reliability and design considerations TP305xB, TP1305xB system reliability and design considerations are described in the following paragraphs. latch-up Latch-up ...

  • Page 13

    Figure 3. Latch-Up Protection Diode Connection internal sequencing Power-on reset circuitry initializes the TP3054B, TP3057B, TP13054B, and TP13057B devices when power is first applied, placing it into the power-down mode. DX and VFRO outputs go into high-impedance states and all ...

  • Page 14

    TP3054B, TP3057B, TP13054B, TP13057B MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER SCTS042A – MAY 1990 – REVISED JULY 1996 asynchronous operation For asynchronous operation, separate transmit and receive clocks can be applied. MCLKX and MCLKR must be 2.048 MHz ...

  • Page 15

    The receive section consists of an expanding DAC that drives a fifth-order low-pass filter clocked at 256 kHz. The decoder is -law (TP3054B and TP13054B) or A-law (TP3057B and TP13057B) and the fifth-order low-pass filter corrects for the ...

  • Page 16

    TP3054B, TP3057B, TP13054B, TP13057B MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER SCTS042A – MAY 1990 – REVISED JULY 1996 power supplies While the pins of the TP1305xB and TP305xB families are well protected against electrical misuse recommended ...

  • Page 17

    ... Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those pertaining to warranty, patent infringement, and limitation of liability ...