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Product Detailed Parameters
- Description：IC COMBO CODEC/FILTER 20-DIP
- Series：-
- Mfr：Texas Instruments
- Package：Tube,Tube
- Type：PCM, Filter
- Data Interface：Serial
- Resolution (Bits)：8 b
- Sigma Delta：No
- S/N Ratio, ADCs / DACs (db) Typ：-
- Dynamic Range, ADCs / DACs (db) Typ：-
- Voltage - Supply, Analog：4.75V ~ 5.25V
- Voltage - Supply, Digital：4.75V ~ 5.25V
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Through Hole
- Package / Case：20-DIP (0.300", 7.62mm)
- Supplier Device Package：20-PDIP
- Grade：-
- Qualification：-
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Overview
The TP3067BN is a monolithic serial interface combined PCM codec and filter manufactured by Texas Instruments. It integrates one analog-to-digital converter and one digital-to-analog converter within a single package. The device supports a sampling rate of 256 kSPS and operates with a power supply voltage range of 4.75V to 5.25V. It features a 20-pin PDIP package and includes two amplifier input channels and two amplifier output channels. The component is designed for synchronous or asynchronous operation and functions as an A-law codec.
Feature Summary
- Integrates PCM codec and filter functions in a monolithic CMOS structure
- Supports serial interface communication protocols
- Provides full-duplex audio processing capabilities
Applications
- Telecommunications equipment requiring PCM encoding and decoding
- Audio signal processing systems utilizing A-law compression
- Industrial communication interfaces needing integrated filtering
Procurement Notes
Verify the manufacturer origin carefully, as Rochester Electronics also produces this part number. Confirm the specific revision level and pin compatibility before integration into existing designs. Ensure the sourcing channel provides authentic components matching the Texas Instruments or authorized distributor specifications to avoid counterfeit risks.
Selection Notes
Select this component when a combined codec and filter solution is required for A-law PCM applications. Consider the 20-pin DIP package constraints for through-hole mounting requirements. Evaluate the 256 kSPS sampling rate against system bandwidth needs. Verify that the serial interface timing aligns with the host processor capabilities.
Part Context
This component belongs to the TP306x series of enhanced serial interface CMOS codecs. It serves as a legacy solution for telecommunications and industrial audio applications where integrated filtering and coding are necessary. The device represents a transition from discrete implementations to consolidated single-chip solutions for standard PCM formats.
Replacement Considerations
The TP3067WM/NOPB offers a surface-mount SOIC alternative with identical functional specifications. Designers requiring lead-free compliance should verify the NOPB suffix availability. Check pinout compatibility between DIP and SOIC packages if physical footprint changes are permissible.
