Overview
The TLV320AIC23GQER is a high-performance stereo audio codec produced by Texas Instruments. Designed for portable digital audio playback and recording devices, this chip integrates advanced analog functionalities and supports a wide range of audio applications. Its market positioning targets consumer electronics, particularly portable audio devices, where high-quality sound and efficient power consumption are critical. The TLV320AIC23GQER stands out for its superior signal-to-noise ratio (SNR), flexible sampling rates, and compatibility with various serial communication protocols, making it a competitive choice in the audio codec market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Resolution | 16, 20, 24, 32 | bit | Programmable |
| Sampling Rate | 8 - 96 | kHz | Adjustable |
| SNR (A/D) | 90 | dB | At 48 kHz |
| SNR (D/A) | 100 | dB | At 48 kHz |
| Power Supply (Digital) | 1.42 - 3.6 | V | Compatible with TI DSPs |
| Power Supply (Analog) | 2.7 - 3.6 | V | |
| Interface | 2-Wire, SPI, I2C | Supports TI McBSP | |
| Operating Temperature | -40 to +85 | °C | |
| Package | BGA-80 | Microstar Junior | |
| Humidity Sensitivity | Yes |
Key Features
- High-performance stereo audio codec with 90 dB SNR A/D and 100 dB SNR D/A converters.
- Supports programmable sampling rates from 8 kHz to 96 kHz.
- Flexible power supply options compatible with TI DSPs.
- Integrated support for multiple serial communication protocols, including I2C, SPI, and 2-Wire.
- Compact BGA-80 package suitable for portable devices.
Applications
The TLV320AIC23GQER is widely used in portable digital audio devices, such as MP3 players, smartphones, and portable recorders. Its high SNR and flexible sampling rates make it ideal for applications requiring high-fidelity audio playback and recording. Additionally, it is suitable for embedded systems in automotive infotainment, industrial audio processing, and consumer electronics where efficient power consumption and compact design are essential.
Q & A
1. What is the resolution of the TLV320AIC23GQER?
The resolution is programmable and can be set to 16, 20, 24, or 32 bits.
2. What is the sampling rate range supported by this chip?
The sampling rate ranges from 8 kHz to 96 kHz.
3. What is the SNR of the A/D converter at 48 kHz?
The SNR of the A/D converter is 90 dB at 48 kHz.
4. What power supply voltages are supported?
The digital power supply ranges from 1.42 V to 3.6 V, while the analog power supply ranges from 2.7 V to 3.6 V.
5. Which communication protocols are supported?
It supports 2-Wire, SPI, and I2C protocols.
6. What is the operating temperature range?
The operating temperature ranges from -40°C to +85°C.
7. What package does the TLV320AIC23GQER use?
It uses a BGA-80 Microstar Junior package.
8. Is the chip humidity sensitive?
Yes, the chip is humidity sensitive.
9. What are the typical applications of this chip?
Typical applications include portable audio devices, automotive infotainment, and industrial audio processing.
10. Is the TLV320AIC23GQER compatible with TI DSPs?
Yes, it is compatible with TI DSPs, particularly in terms of power supply and communication protocols.
