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Product Detailed Parameters
- Description：IC STEREO AUDIO CODEC 28VQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Stereo Audio
- Data Interface：I2C, Serial
- Resolution (Bits)：16 b, 20 b, 24 b, 32 b
- Sigma Delta：Yes
- S/N Ratio, ADCs / DACs (db) Typ：90 / 100
- Dynamic Range, ADCs / DACs (db) Typ：90 / 90
- Voltage - Supply, Analog：2.7V ~ 3.6V
- Voltage - Supply, Digital：1.42V ~ 3.6V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：28-VFQFN Exposed Pad
- Supplier Device Package：28-VQFN (5x5)
- Grade：-
- Qualification：-
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Overview
The TLV320AIC23BIRHDR is a stereo audio codec from Texas Instruments featuring integrated sigma-delta ADCs and DACs. It supports sampling rates from 8 kHz to 96 kHz with word lengths of 16, 20, 24, or 32 bits. The device includes an analog bypass path, programmable microphone amplifier, and a headphone amplifier delivering 30 mW into 32 Ω. Digital supply voltage ranges from 1.42 V to 3.6 V, while analog supplies operate between 2.7 V and 3.6 V. It utilizes SPI or 2-wire control interfaces and operates within a temperature range of -40°C to 85°C in a 28-pin RHD package.
Feature Summary
- Integrated multibit sigma-delta modulation for high-fidelity audio conversion
- Built-in electret microphone biasing and buffering solution
- Analog bypass path allowing direct line input to headphone output routing
- Flexible power management with software-controlled shutdown modes
Applications
- Portable digital audio players
- Digital voice recorders
- MP3 player systems
Procurement Notes
Verify the specific ordering suffix against current manufacturer documentation to confirm package type and temperature grade. Confirm availability status as this component may be discontinued or subject to lifecycle changes. Ensure design compatibility with required supply voltages and interface protocols before finalizing procurement decisions.
Selection Notes
Select this model when a compact stereo codec with integrated headphone amplification is required. Verify that the 28-pin RHD package fits the target PCB layout constraints. Ensure the host processor supports either SPI or 2-wire serial control interfaces for register configuration and system initialization.
Part Context
This component belongs to the TLV320AIC23B family of low-power stereo audio codecs. It is designed for portable consumer electronics requiring high-quality audio I/O in minimal space. The RHD suffix indicates a 28-pin PQFP package variant suitable for surface-mount assembly.
Replacement Considerations
Consult official substitution guides for equivalent components. Verify pinout compatibility and electrical specifications if replacing with other audio codec models.
