Overview
The TLV320AIC25CPFBRG4 is a highly integrated, low-power stereo audio codec produced by Texas Instruments. This device is part of the TLV320AIC2x family, known for its high performance, low power consumption, and extensive programmability. It features advanced signal processing capabilities, including programmable input and output configurations, integrated PLL, and low-dropout regulators (LDOs). The TLV320AIC25CPFBRG4 is designed to meet the demands of various audio applications, particularly in portable and battery-powered devices.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply voltage for analog (AVDD) | 2.7 | 3.3 | 3.6 | V |
| Supply voltage for digital core (DVDD) | 1.65 | 1.8 | 1.95 | V |
| Supply voltage for digital I/O (IOVDD) | 1.1 | 3.3 | 3.6 | V |
| Operating Temperature Range | -40 | 85 | °C | |
| Power Dissipation (PD) at 3.3V | 11.2 | 17.8 | mW | |
| Total Current (I(total)) at 3.3V | 3.4 | 5 | mA | |
| Analog Input Signal Level (0dB) | 10 | mV | ||
| ADC Programmable Gain Amplifier Gain | 0 | 47.5 | dB | |
| Headphone Output Load Resistance (Single-ended) | 14.4 | 16 | Ω | |
| Headphone Output Load Resistance (Differential) | 24.4 | 32 | Ω |
Key Features
- Highly integrated, low-power stereo audio codec with programmable inputs and outputs.
- Integrated PLL and low-dropout regulators (LDOs) for stable operation.
- Advanced signal processing capabilities, including fixed predefined and parameterizable signal-processing blocks.
- Support for both single-ended and differential analog input/output configurations.
- Smart Time Division Multiplexed (SMARTDM™) serial port for glueless interface to DSPs and microcontrollers.
- Low power operation with power dissipation as low as 11.2 mW at 3.3V.
- Extensive power management features, including power-down modes and automatic cascade detection.
- Programmable sampling rates and gain settings for ADC and DAC channels.
- High-resolution signal conversion using oversampling sigma-delta technology.
- Internal reference voltage and test modes including digital and analog loopback.
Applications
- Portable audio devices such as MP3 players and smartphones.
- Wireless accessories, including Bluetooth headsets and hands-free car kits.
- VOIP and telephony applications requiring high-quality audio.
- Cable modems and other communication equipment.
- Digital still cameras and other multimedia devices.
- Speech processing and voice recognition systems.
Q & A
- What is the TLV320AIC25CPFBRG4?
The TLV320AIC25CPFBRG4 is a highly integrated, low-power stereo audio codec produced by Texas Instruments.
- What are the key features of the TLV320AIC25CPFBRG4?
Key features include programmable inputs and outputs, integrated PLL, LDOs, SMARTDM serial port, and extensive power management.
- What are the operating voltage ranges for the TLV320AIC25CPFBRG4?
The device operates with an analog supply voltage (AVDD) of 2.7V to 3.6V, a digital core voltage (DVDD) of 1.65V to 1.95V, and a digital I/O voltage (IOVDD) of 1.1V to 3.6V.
- What is the power dissipation of the TLV320AIC25CPFBRG4?
The power dissipation is as low as 11.2 mW at 3.3V, and up to 17.8 mW with headphone drivers enabled.
- What are the supported sampling rates for the TLV320AIC25CPFBRG4?
The device supports programmable sampling rates, including operations from 8 kHz to 192 kHz for both recording and playback.
- What types of analog input/output configurations are supported?
The device supports both single-ended and differential analog input/output configurations.
- What is the SMARTDM serial port?
The SMARTDM serial port is a synchronous 4-wire serial port in TDM format, providing a glueless interface to DSPs and microcontrollers.
- What are the typical applications for the TLV320AIC25CPFBRG4?
Typical applications include portable audio devices, wireless accessories, VOIP, cable modems, and speech processing systems.
- How does the TLV320AIC25CPFBRG4 manage power?
The device features extensive power management, including power-down modes, automatic cascade detection, and programmable power settings.
- What is the operating temperature range for the TLV320AIC25CPFBRG4?
The operating temperature range is from -40°C to 85°C.
