Overview
The TLV320AIC23BZQE, manufactured by Texas Instruments, is a high-performance stereo audio codec designed for portable digital audio playback and recording applications. This integrated circuit combines analog-to-digital (ADC) and digital-to-analog (DAC) converters with advanced digital interpolation filters, supporting sampling rates from 8 kHz to 96 kHz and data lengths of 16, 20, 24, and 32 bits. Its low power consumption and compatibility with TI DSPs make it an ideal choice for consumer electronics, particularly in devices like MP3 players and digital voice recorders.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Resolution | 24 | bit | |
| Sampling Rate | 8 - 96 | kHz | |
| SNR (ADC) | 90 | dB | at 48 kHz |
| SNR (DAC) | 100 | dB | at 48 kHz |
| Supply Voltage (Digital) | 1.42 - 3.6 | V | |
| Supply Voltage (Analog) | 2.7 - 3.6 | V | |
| Operating Temperature | -40 to +85 | °C | |
| Package | BGA-Microstar-Junior-80 |
Key Features
- High-performance stereo audio codec with integrated ADC and DAC.
- Supports multiple sampling rates (8 kHz to 96 kHz) and data lengths (16, 20, 24, 32 bits).
- Low power consumption: 23 mW in playback mode, <15 µW in power-down mode.
- Compatible with TI DSPs and supports 2-wire, SPI, and McBSP serial communication protocols.
- High signal-to-noise ratio (SNR): 90 dB for ADC and 100 dB for DAC at 48 kHz.
Applications
The TLV320AIC23BZQE is widely used in portable digital audio devices such as MP3 players, digital voice recorders, and USB audio interfaces. Its high performance and low power consumption make it suitable for applications requiring high-quality audio processing in compact, battery-powered devices. Additionally, it is often integrated into DSP-based systems for audio signal processing in industrial and consumer electronics.
Q & A
1. What is the operating voltage range of the TLV320AIC23BZQE?
The digital core operates at 1.42 V to 3.6 V, while the analog and buffer sections operate at 2.7 V to 3.6 V.
2. What sampling rates does the TLV320AIC23BZQE support?
It supports sampling rates from 8 kHz to 96 kHz.
3. What is the SNR of the ADC and DAC?
The ADC has an SNR of 90 dB, and the DAC has an SNR of 100 dB, both measured at 48 kHz.
4. What communication protocols does it support?
It supports 2-wire, SPI, and McBSP serial communication protocols.
5. What is the power consumption in playback mode?
It consumes 23 mW in playback mode.
6. What is the package type of the TLV320AIC23BZQE?
It comes in a BGA-Microstar-Junior-80 package.
7. What is the resolution of the ADC and DAC?
Both the ADC and DAC support resolutions up to 24 bits.
8. What is the operating temperature range?
It operates from -40°C to +85°C.
9. Is the TLV320AIC23BZQE RoHS compliant?
Yes, it is RoHS compliant.
10. What are the typical applications of this device?
It is used in MP3 players, digital voice recorders, USB audio interfaces, and DSP-based audio processing systems.
