Low

TP3057N/NOPB - 

Audio Codec, Serial Interface, PCM, 1, 1, -25 °C, 125 °C, 8 kSPS

TEXAS INSTRUMENTS TP3057N/NOPB

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Manufacturer Part No:
TP3057N/NOPB
Newark Part No.:
41K8455
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The TP3057N/NOPB is an enhanced serial interface CODEC/Filter Combo consists of µ-law and A-law monolithic PCM CODEC/filters utilizing the A/D and D/A conversion architecture and a serial PCM interface. It is fabricated using National’s advanced double-poly CMOS process (microCMOS). 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 and above 3400Hz. Also included are auto-zero circuitry and a 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 commanded 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 3400Hz.
  • Transmit high-pass and low-pass filtering
  • Receive low-pass filter with sin x/x correction
  • Active RC noise filters
  • µ-law or A-law Compatible coder and decoder
  • Internal precision voltage reference
  • Serial I/O interface
  • Internal auto-zero circuitry
  • Designed for D3/D4 and CCITT applications
  • 50mW Typically Low operating power
  • 3mW Typically power-down standby mode Automatic power-down
  • TTL/CMOS compatible digital interfaces
  • Maximizes line interface card circuit density
  • Green product and no Sb/Br

Applications

Audio, Industrial

Product Information

:
PCM
:
1
:
1
:
-25°C
:
125°C
:
8kSPS
:
DIP
:
16Pins
:
1Channels
:
1Channels
:
8bit
:
-
:
Serial
:
4.75V to 5.25V
:
Each
:
-
:
-
:
MSL 1 - Unlimited
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