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Details for TPA6139A2PW by Texas Instruments
Semiconductors - ICs > Amplifiers & Comparators > Audio Amplifiers
Buy Directly from Texas Instruments (540 in stock) $0.3300
TPA6139A2PW image

TPA6139A2PW by Texas Instruments

2-Vrms Output Voltage into 600-u03a9 Load
25 mW into 32-u03a9 Load
Active Mute With More Than 80-dB Attenuation
DirectPathu2122 u2013 Eliminates Pops and Clicks u2013 Eliminates Output DC-Blocking Capacitors u2013 3-V to 3.6-V Supply Voltage
Low Noise and THD u2013 SNR > 105 dB at u20131x Gain u2013 Typical Vn < 15 u03bcVms 20 to 20 kHz at u20131x Gain u2013 THD+N < 0.003% at 10-ku03a9 Load and u20131x Gain
Programmable Gain Select Reduces Component Count u2013 13x Gain Values
Short-Circuit and Thermal Protection
Single-Ended Input and Output
u00b18-kV HBM ESD Protected Outputs
Part Information
TPA6139A2PW image
RoHS Compliant
The TPA6139A2 is a 25-mW, pop-free stereo headphone driver designed to reduce component count, board space and cost. It is ideal for singlesupply electronics where size and cost are critical design parameters. The TPA6139A2 device does not require a power supply greater than 3.3 V to generate its 25 mW, nor does it require a split rail power supply. The TPA6139A2 device was designed using TI's patented DirectPath™ technology, which integrates a charge pump to generate a negative supply rail that provides a clean, pop-free ground biased output. The TPA6139A2 is capable of driving 25 mW into a 32-Ω load and 2 Vrms into a 600-Ω load. DirectPath also allows the removal of the costly output DC-blocking capacitors. The device has fixed gain single-ended inputs with a gain select pin. Using a single resistor on this pin, the designer can choose from 13 internal programmable gain settings to match the line driver with the CODEC output level. It also reduces the component count and board space. Headphone outputs have ±8-kV HBM ESD protection enabling a simple ESD protection circuit. The TPA6139A2 has built-in active mute control with more that 80-dB attenuation for pop-free mute ON and OFF control. The TPA6139A2 device is available in a 14-pin TSSOP and a 16-pin QFN. For a pin-compatible, 2Vrms line driver see DRV612.
Amplifier Class:
No. of Channels:
2 Channel, 2Channels
Output Power:
Supply Voltage Range:
3V to 3.6V
Amplifier Case Style:
No. of Pins:
Load Impedance:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
Automotive Qualification Standard:
RoHS Phthalates Compliant:
MSL 2 - 1 year
No SVHC (27-Jun-2018)
Amplifer Supply Voltage:
3V to 3.6V
Base Number:
Operating Temperature Range:
-40°C to +85°C
THD + N:
0.03% @ 25mW 32ohm VDD=3.3V
Alternate Descriptions
Audio Amp Headphone 2-CH Stereo 0.025W Class-AB 14-Pin TSSOP Bulk Avnet America
Audio Amp Headphone 2-CH Stereo 0.025W Class-AB 14-Pin TSSOP Bulk Avnet Europe
DirectPath™ 25mW Headphone Amplifier Texas Instruments
Headphone Amplifier [Texas Instruments] TPA6139A2PW Headphone Amplifier Distrelec