Overview
The TLV320AIC26IRHBR, produced by Texas Instruments, is a highly integrated stereo audio codec designed for portable computing, communication, and entertainment applications. This device features a low-power mono ADC and stereo DAC with headphone/speaker amplifiers, along with a 12-bit measurement ADC. It supports 16/20/24/32-bit audio playback and recording at up to 48 ksps. The TLV320AIC26IRHBR includes a microphone input with built-in preamp and automatic gain control, as well as flexible audio output drivers that can be configured for various load conditions.
Key Specifications
| Parameter | Min | Max | Units | |
|---|---|---|---|---|
| Audio Sample Rate | 48 | ksps | ||
| Audio Bit Depth | 16 | 32 | bits | |
| Output Power (8-Ω load) | 325 | mW | ||
| Headphone Output Power (16-Ω load) | 30 | mW per channel | ||
| Analog Supply Voltage | 2.7 | 3.6 | V | |
| Digital Supply Voltage | 1.525 | 1.95 | V | |
| Operating Temperature Range | -40 | 85 | °C | |
| Package Type | QFN-32 |
Key Features
- Software-programmable low or high-power drive modes for audio output drivers to optimize system power dissipation.
- Support for various audio formats including I2S, DSP, and Left/Right Justified, with master or slave mode operation.
- Programmable digital audio effects processor for bass, treble, midrange, or equalization playback processing.
- On-chip programmable PLL for flexible clock generation.
- 12-bit measurement ADC and internal reference voltage.
- Two battery measurement inputs capable of reading battery voltages up to 6 V.
- On-chip temperature sensor with 0.3°C resolution.
- Virtual ground (VGND) output driver to eliminate the need for ac-coupling capacitors at the headphone output.
- Keyclick sound generation circuit for user feedback.
Applications
- Portable computing devices.
- Communication devices such as smartphones and tablets.
- Entertainment systems including handheld gaming consoles and portable media players.
- Audio recording and playback devices.
- Devices requiring low-power, high-performance audio processing.
Q & A
- What is the maximum output power of the TLV320AIC26IRHBR into an 8-Ω load?
The TLV320AIC26IRHBR can supply up to 325 mW into an 8-Ω load.
- What are the supported audio formats for the TLV320AIC26IRHBR?
The device supports I2S, DSP, and Left/Right Justified audio formats.
- What is the resolution of the temperature sensor in the TLV320AIC26IRHBR?
The temperature sensor has a resolution of 0.3°C.
- Can the TLV320AIC26IRHBR operate in both master and slave modes?
- What is the maximum voltage that the battery measurement inputs can read?
The battery measurement inputs can read battery voltages up to 6 V.
- What is the purpose of the virtual ground (VGND) output driver?
The VGND output driver can be used to eliminate the need for ac-coupling capacitors at the headphone output.
- Does the TLV320AIC26IRHBR support programmable digital audio effects?
- What is the package type of the TLV320AIC26IRHBR?
The device is available in a 32-lead QFN package.
- What is the operating temperature range of the TLV320AIC26IRHBR?
The operating temperature range is from -40°C to 85°C.
- Does the TLV320AIC26IRHBR have a built-in PLL for clock generation?
