Overview
The TLV320AIC23B is a high-performance stereo audio codec produced by Texas Instruments. It is designed with highly integrated analog functionality, making it an ideal choice for portable digital audio-player and recorder applications, such as MP3 digital audio players. The codec features multibit sigma-delta technology for both analog-to-digital converters (ADCs) and digital-to-analog converters (DACs), ensuring high-fidelity audio recording and playback capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage - Supply, Analog | 2.7 V ~ 3.6 V |
| Voltage - Supply, Digital | 1.42 V ~ 3.6 V |
| Operating Temperature | -10°C ~ 70°C |
| Package / Case | 28-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
| Number of ADCs / DACs | 2 / 2 |
| Resolution (Bits) | 16, 20, 24, 32 |
| SNR, ADCs / DACs (dB) | 90 / 100 |
| Sampling Frequency Support | 8 kHz ~ 96 kHz |
| Data Interface | I²C, Serial, TI McBSP-Compatible |
Key Features
- High-performance stereo audio codec with multibit sigma-delta technology
- 90-dB SNR multibit sigma-delta ADC and 100-dB SNR multibit sigma-delta DAC
- Support for 16, 20, 24, and 32-bit word lengths and sample rates from 8 kHz to 96 kHz
- Software control via TI McBSP-compatible multiprotocol serial port
- Glueless interface to TI McBSPs and support for I²S, MSB, or LSB justified-data transfers
- Integrated analog features including stereo-line inputs, analog bypass path, stereo headphone amplifier, and electret-microphone-capsule biasing and buffering solution
- Adjustable and programmable gain microphone amplifier
- Low power consumption with selective shutdown of codec functions to extend battery life in portable applications
Applications
The TLV320AIC23B is particularly suited for portable digital audio-player and recorder applications, such as MP3 digital audio players. Its integrated analog functionality and high-performance audio capabilities make it an excellent choice for devices requiring high-fidelity audio recording and playback.
Q & A
- What is the TLV320AIC23B?
The TLV320AIC23B is a high-performance stereo audio codec produced by Texas Instruments.
- What are the key features of the TLV320AIC23B?
Key features include high-performance stereo codec, multibit sigma-delta ADC and DAC, support for various word lengths and sample rates, and integrated analog functionality.
- What are the voltage supply requirements for the TLV320AIC23B?
The analog supply voltage ranges from 2.7 V to 3.6 V, and the digital supply voltage ranges from 1.42 V to 3.6 V.
- What is the operating temperature range for the TLV320AIC23B?
The operating temperature range is from -10°C to 70°C.
- What types of data interfaces does the TLV320AIC23B support?
The TLV320AIC23B supports I²C, serial, and TI McBSP-compatible interfaces.
- What are the SNR values for the ADC and DAC in the TLV320AIC23B?
The ADC has a SNR of up to 90 dB, and the DAC has a SNR of up to 100 dB.
- What are the supported sample rates for the TLV320AIC23B?
The TLV320AIC23B supports sample rates from 8 kHz to 96 kHz.
- Does the TLV320AIC23B have integrated microphone and headphone amplifiers?
- How does the TLV320AIC23B manage power consumption?
The TLV320AIC23B has low power consumption with the ability to selectively shut down codec functions to extend battery life in portable applications.
- What is the typical application of the TLV320AIC23B?
The TLV320AIC23B is typically used in portable digital audio-player and recorder applications, such as MP3 digital audio players.
