Overview
The DRV5825PRHBR, manufactured by Texas Instruments, is a high-performance stereo Class-D audio amplifier with integrated audio processing capabilities. This device combines a stereo digital-to-PWM modulator, an audio DSP subsystem, a flexible closed-loop amplifier, and an I2C control port. It is designed to maximize sound quality, flexibility, and ease of use, making it suitable for a variety of audio applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer's Part Number | DRV5825PRHBR | |
| General IC Type | AUDIO AMPLIFIER | |
| No. of Channels | 2 | |
| Minimum Supply Voltage (Vsup) | 4.5 | V |
| Maximum Supply Voltage (Vsup) | 26.4 | V |
| Minimum Operating Temperature | -25 | Cel |
| Maximum Operating Temperature | 85 | Cel |
| Package Code | HVQCCN | |
| Package Shape | SQUARE | |
| No. of Terminals | 32 | |
| Terminal Form | NO LEAD | |
| Terminal Pitch | 0.5 | mm |
| Peak Reflow Temperature (C) | 260 | C |
| Moisture Sensitivity Level (MSL) | 1 |
Key Features
- Flexible audio I/O supporting sample rates of 32, 44.1, 48, 88.2, and 96 kHz, with I2S, LJ, RJ, TDM, and SDOUT for audio monitoring.
- Adaptive I/V Limiter and Full Band AGL (Automatic Gain Limiter) based on Piezo speaker impedance and LC filter model.
- Flexible power supply configurations: PVDD (4.5 V to 26.4 V), DVDD and I/O (1.8 V or 3.3 V).
- Excellent integrated self-protection features including over-current error (OCE), cycle-by-cycle current limit, over-temperature warning (OTW), over-temperature error (OTE), and under/over-voltage lock-out (UVLO/OVLO).
- I2C software control for easy system integration and reduced solution size.
- No external power resistor or bulky electrolytic capacitors or large inductors required for most applications.
- Small 5 x 5 mm package with a VQFN (32) RHB body size.
Applications
- DTV, HDTV, UHD, and multi-purpose monitors.
- Notebooks and Tablet PCs).
Q & A
- What is the DRV5825PRHBR? The DRV5825PRHBR is a high-performance stereo Class-D audio amplifier with integrated audio processing capabilities, manufactured by Texas Instruments.
- What are the supported audio sample rates? The device supports sample rates of 32, 44.1, 48, 88.2, and 96 kHz.
- What power supply configurations are supported? The device supports PVDD from 4.5 V to 26.4 V and DVDD/I/O of 1.8 V or 3.3 V.
- What self-protection features does the DRV5825PRHBR have? It includes over-current error (OCE), cycle-by-cycle current limit, over-temperature warning (OTW), over-temperature error (OTE), and under/over-voltage lock-out (UVLO/OVLO).
- Does the DRV5825PRHBR require external power resistors or large capacitors? No, it does not require external power resistors or bulky electrolytic capacitors or large inductors for most applications.
- What is the package size of the DRV5825PRHBR? The device comes in a small 5 x 5 mm VQFN (32) RHB package.
- What communication interface does the DRV5825PRHBR use? It uses an I2C interface for software control and system integration.
- What are some common applications of the DRV5825PRHBR? It is commonly used in DTV, HDTV, UHD, and multi-purpose monitors, as well as in notebooks and Tablet PCs.
- What is the maximum operating temperature of the DRV5825PRHBR? The maximum operating temperature is 85°C.
- What is the minimum supply voltage required for the DRV5825PRHBR? The minimum supply voltage is 4.5 V.
- Does the DRV5825PRHBR have built-in bootstrap circuitry? Yes, it has built-in bootstrap circuitry that requires only a few external capacitors.
