TPA2054 Series
1.4-W, stereo, analog input Class-D audio amp with 145-mW headphone amp, 3:1 MUX & power on reset
Manufacturer: Texas Instruments
Catalog(2 parts)
| Part | Max Output Power x Channels @ Load▲▼ | Mounting Type | Type | Package / Case | Voltage - Supply▲▼ | Voltage - Supply▲▼ | Supplier Device Package | Operating Temperature▲▼ | Operating Temperature▲▼ | Output Type | Features |
|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments TPA2054D4AYZKTAmplifier IC 2-Channel (Stereo) with Stereo Headphones Class D 25-DSBGA | 0.15000000596046448 W, 1.399999976158142 W | Surface Mount | Class D | 25-UFBGA, DSBGA | 2.5 V | 5.5 V | 25-DSBGA | 85 °C | -40 °C | 2-Channel (Stereo) with Stereo Headphones | Depop, Differential Inputs, I2C, Input Multiplexer, Mute, Shutdown, Volume Control |
Texas Instruments TPA2054D4AYZKRAmplifier IC 2-Channel (Stereo) with Stereo Headphones Class D 25-DSBGA | 0.15000000596046448 W, 1.399999976158142 W | Surface Mount | Class D | 25-UFBGA, DSBGA | 2.5 V | 5.5 V | 25-DSBGA | 85 °C | -40 °C | 2-Channel (Stereo) with Stereo Headphones | Depop, Differential Inputs, I2C, Input Multiplexer, Mute, Shutdown, Volume Control |
Key Features
• Stereo Class-D Amp:1.4 W into 8from 5.0 V (10% THD + N)1.25 W into 8from 5.0 V (1% THD + N)DirectPath™ Stereo Headphone AmplifierNo Output Capacitors RequiredIndependent Gain Select for Headphone AmplifierEight Programmable Maximum Headphone Voltage LimitsTwo Single-Ended or One Differential Stereo Input3:1 Input MUX with Mode Control32-Step Volume Control for Both Input ChannelsIndependent Shutdown for Headphone and Class-D AmplifiersShort-Circuit and Thermal-Overload Protection±8 kV HBM ESD Protection on Headphone OutputsI2C™ Interface25-Ball 2,61 mm × 2,61 mm WCSPAPPLICATIONSSmart Phones / Cellular PhonesLaptop ComputersPortable GamingPortable Media PlayersDirectPath is a trademark of Texas Instruments.I2C is a trademark of NXP Semiconductors.Stereo Class-D Amp:1.4 W into 8from 5.0 V (10% THD + N)1.25 W into 8from 5.0 V (1% THD + N)DirectPath™ Stereo Headphone AmplifierNo Output Capacitors RequiredIndependent Gain Select for Headphone AmplifierEight Programmable Maximum Headphone Voltage LimitsTwo Single-Ended or One Differential Stereo Input3:1 Input MUX with Mode Control32-Step Volume Control for Both Input ChannelsIndependent Shutdown for Headphone and Class-D AmplifiersShort-Circuit and Thermal-Overload Protection±8 kV HBM ESD Protection on Headphone OutputsI2C™ Interface25-Ball 2,61 mm × 2,61 mm WCSPAPPLICATIONSSmart Phones / Cellular PhonesLaptop ComputersPortable GamingPortable Media PlayersDirectPath is a trademark of Texas Instruments.I2C is a trademark of NXP Semiconductors.
Description
AI
The TPA2054D4A features a stereo Class-D power amplifier along with a stereo DirectPath™ headphone amplifier. The TPA2054D4A has a mono differential input and two stereo single-ended (SE) inputs that can be configured as one stereo differential input. Both input channels have a 32-step volume control and the DirectPath headphone amplifier has a 4-level gain control for coarse volume adjustment. All amplifiers have output short-circuit and thermal- overload protection.
The Class-D amplifiers deliver 1.25 W into 8at 1% THD from a 5.0 V supply, and 700 mW from 3.6 V. The DirectPath headphone amplifier features an output voltage limiter to reduce the maximum output power to one of seven possible limits. The voltage limiter is programmed through the I2C interface.
DirectPath eliminates the need for external DC- blocking output capacitors to the headphones. The built-in charge pump creates a negative supply voltage for the headphone amplifier, allowing a 0 V DC bias at the output.
The DirectPath headphone amplifier gains are +6 dB (default), 0 dB, –6 dB, and –14 dB, selected through the I2C interface. This allows the headphone volume to be different from the loudspeaker volume if both are used simultaneously.
The TPA2054D4A has a 3:1 input MUX for audio source selection. Mode and gain controls operate from a 1.7 V to 3.6 V compatible I2C interface.
The voltage supply range for both the Class-D amplifiers and the headphone charge pump is 2.5 V to 5.5 V. The Class-D amplifiers use a combined 7 mA and the headphone amplifier uses 10 mA of typical quiescent current.
Total supply current in shutdown reduces to less than 4 µA. Undervoltage lockout keeps supply current to less than 4 µA when the supply voltage is less than 2.1 V.
The TPA2054D4AYZK is available in a 25-ball 2,61 mm × 2,61 mm WCSP package.
The TPA2054D4A features a stereo Class-D power amplifier along with a stereo DirectPath™ headphone amplifier. The TPA2054D4A has a mono differential input and two stereo single-ended (SE) inputs that can be configured as one stereo differential input. Both input channels have a 32-step volume control and the DirectPath headphone amplifier has a 4-level gain control for coarse volume adjustment. All amplifiers have output short-circuit and thermal- overload protection.
The Class-D amplifiers deliver 1.25 W into 8at 1% THD from a 5.0 V supply, and 700 mW from 3.6 V. The DirectPath headphone amplifier features an output voltage limiter to reduce the maximum output power to one of seven possible limits. The voltage limiter is programmed through the I2C interface.
DirectPath eliminates the need for external DC- blocking output capacitors to the headphones. The built-in charge pump creates a negative supply voltage for the headphone amplifier, allowing a 0 V DC bias at the output.
The DirectPath headphone amplifier gains are +6 dB (default), 0 dB, –6 dB, and –14 dB, selected through the I2C interface. This allows the headphone volume to be different from the loudspeaker volume if both are used simultaneously.
The TPA2054D4A has a 3:1 input MUX for audio source selection. Mode and gain controls operate from a 1.7 V to 3.6 V compatible I2C interface.
The voltage supply range for both the Class-D amplifiers and the headphone charge pump is 2.5 V to 5.5 V. The Class-D amplifiers use a combined 7 mA and the headphone amplifier uses 10 mA of typical quiescent current.
Total supply current in shutdown reduces to less than 4 µA. Undervoltage lockout keeps supply current to less than 4 µA when the supply voltage is less than 2.1 V.
The TPA2054D4AYZK is available in a 25-ball 2,61 mm × 2,61 mm WCSP package.