AMPLIFICATEUR AUDIO

Unisonic Technologies Company Limited a été mis en place en 1990. Concepteur de circuits intégrés, il est un fabricant de dispositifs semi-conducteurs de haute technologie. Ses produits sont principalement axés sur la gestion de l’alimentation et les amplificateurs de puissance audio, le tout complété avec des contrôleurs de moteur, amplificateurs opérationnels, transistors, MOSFETs, thyristors et diodes.

Pour en savoir plus  sur la gamme complète de semi-conducteurs UTC, voir les données techniques ci-attachées,
et consulter le site web UNISONIC TECHNOLOGIES.

Single Channel Audio Power Amplifier Class AB & Class B
Part No. Features Supply Voltage VCC Package
Output Power (W) THD
PA4819 0.35W Audio Power Amplifier with Shutdown Function 2.0V~5.5V 5.0V SOP-8
Typ=0.35W(RL=16Ω) 10%
LM4862 0.5W Audio Power Amplifier with Shutdown Function 2.0V~5.5V 5.0V DIP-8 SOP-8
Typ=0.5W(RL=8Ω) 1%
TA7368P 0.6W Audio Power Amplifier 14.0V 9.0V DIP-8 SOP-8 SSOP-10 SIP-9
Typ=1.1W(RL=8Ω) 10%
LM386 0.7W Low Voltage Audio Power Amplifier 4.0V~12.0V 9.0V DIP-8 SOP-8 TSSOP-8
Typ=0.7W(RL=8Ω) 10%
PA4871 1.1W Audio Power Amplifier with Shutdown Function 2.0V~5.5V  5.0V SOP-8 MSOP-8 DFN-8(3*3)
Typ=1.1W(RL=8Ω) 0.5%
PA4990 1.2W Audio Power Amplifier with Active-low Shutdown Function 2.2V~ 5.5V 5.0V SOP-8 MSOP-8
Typ=1.2W(RL=8Ω) 1%
TBA820M 1.2W Audio Power Amplifier 16.0V 9.0V SOP-8 DIP-8
Typ=1.2W(RL=8Ω) 10%
PA6203 1.25W Mono Fully Differential Audio Power Amplifier 2.5V~ 5.5V 5.0V SOP-8
Typ=1.25W(RL=8Ω) 1%
PA6204 1.7W Mono Fully Differential Audio Power Amplifier 2.5V~ 5.5V 5.0V SOP-8 MSOP-8
Typ=1.7W(RL=8Ω) 10%
AN17823 BTL 4.0W x 1ch Power Amplifier
with Standby Function and Volume Function
3.5~13.5V 9.0V HSIP-9B
Typ=4W(RL=8Ω) 10%
TDA2003 10W Car Radio Audio Power Amplifier ±8.0V~±18.0V ±16.0V TO-220B TO-220-5
Typ=10W(RL=2Ω) 10%
TDA2030 14W Hi-Fi Audio Power Amplifier   ±6.0V~±18.0V  ±16.0V TO-220B TO-220-5
Typ=14W(RL=4Ω) 0.5%
TDA2030A 18W Hi-Fi Audio Power Amplifier  ±6.0V~±22.0V  ±16.0V TO-220B TO-220-5
Typ=18W(RL=4Ω) 0.5%
A7240 20W Bridge Amplifier for Car Radio 18.0V 14.4V TO-220Z7
Typ=20W(RL=4Ω) 10%
LM1875 20W Audio Power Amplifier 16.0V~60.0V  ±25.0V TO-220B TO-220-5
Typ=25W(RL=8Ω) 1%
TDA2050 32W Hi-Fi Audio Power Amplifier
22W @ Distortion 0.5%
  ±4.5V~ ±25.0V  ±22.0V TO-220B
Typ=32W(RL=8Ω) 10%
Single Channel Audio Power Amplifier Class D
Part No. Features Supply Voltage VCC Package
Output Power (W) THD
PA2001D1* 1W Mono Filter-Free Class-D Audio Power Amplifier 2.7V~5.5V 5.0V TSSOP-16
Typ=1W(RL=8Ω) 1%
PA2005D* 1.1W Mono Filter-Free Class-D Audio Power Amplifier 2.5V~ 5.5V 5.0V SOP-8
Typ=1.18W(RL=8Ω) 1%
M4667* 1.3W Filterless High Efficiency Switching Audio Amplifier 2.7V~5.5V 5.0V MSOP-10
Typ=1.3W(RL=8Ω) 2%
M4665* 1.4W Filterless High Efficiency Switching Audio Amplifier 2.7V~5.5V 5.0V MSOP-10
Typ=1.4W(RL=8Ω) 3%
PA2000D1* 2W Mono Filter-Free Class-D Audio Power Amplifier 2.7V~5.5V 5.0V TSSOP-16
Typ=2W(RL=4Ω) 1%
M4671* 2.5W Filterless High Efficiency Switching Audio Amplifier 2.4V~5.5V 5.0V MSOP-10
Typ=2.5W(RL=4Ω) 10%
M4670* 3W Filterless High Efficiency Switching Audio Amplifier 2.4V~5.5V 5.0V DFN-8(3*3)
Typ=3W(RL=4Ω) 10%
Dual Channel Audio Power Amplifier Class AB & Class B
Part No. Features Supply Voltage VCC Package
Output Power (W) THD
LM4811* Dual 105mW Headphone Amplifier
with Digital Volume Control and Shutdown Mode
2.0V~5.5V 5.0V MSOP-10
Typ=0.105W(RL=16Ω) 0.1%
KA8602 Low Voltage Audio Power Amplifier 2.0V~16.0V 6.0V DIP-8 SOP-8
0.25W(RL=32Ω) <10%
MC3419 Low Power Audio Amplifier 2.0V~16.0V 6.0V DIP-8 SOP-8 TSSOP-8
0.25W(RL=32Ω) <10%
MC34119 Low Power Audio Amplifier 2.0V~16.0V 6.0V DIP-8 SOP-8 TSSOP-8
0.25W(RL=32Ω) <10%
LM4880 Dual 250mW Audio Power Amplifier
with Shutdown Function
2.7V~5.5V 5.0V DIP-8 HSOP-8
Typ=0.25W(RL=8Ω) 0.1%
TDA2822H Dual Low Voltage Audio Power Amplifier 1.8V~6.0V 3.0V DIP-8 SOP-8
Typ=0.35W(RL=4Ω) 10%
TDA2822 Dual Low Voltage Audio Power Amplifier 1.8V~12.0V 6.0V DIP-8 SOP-8
Typ=0.65W(RL=4Ω) 10%
PA4894 Differential Input Power Amplifier with Shutdown 2.0V~5.5V 5.0V MSOP-10
Typ=1W(RL=8Ω) 1%
M2073 Dual Low Voltage Power Amplifier 1.8V~15V 6.0V DIP-8 SOP-8
Typ=1.2W(RL=8Ω) <10%
PA3202 2×2.0W Stereo Audio Power Amplifier,
BTL and SE Modes with MUTE
3.0V~ 5.5V 5.0V HTSSOP-24
Typ=2.2W(RL=3Ω) 1%
PC1316 Dual Channel Audio Power Amplifier 3.0~16V 12.0V DIP-14H
Typ=2.0W(RL=8Ω) 10%
PA3017 2×2.0W Stereo Audio Power Amplifier, with 4 Selectable Gain
(61015.621.6dB) Settings
4.5V~5.5V 5.0V HTSSOP-20
Typ=1.9W(RL=4Ω) 1%
PA3431 2×2.0W Stereo Audio Power Amplifier,
with 4 Selectable Gain (61015.621.6dB) Settings
4.5V~5.5V 5.0V HTSSOP-20
Typ=2.0W(RL=4Ω) 1%
PA3427 2×2.0W Stereo Audio Power Amplifier. with 4 Selectable Gain
(61015.621.6dB) Settings And Input-Mux Control
4.5V~5.5V 5.0V HTSSOP-24
Typ=2.0W(RL=4Ω) 1%
PA3428 2*2.0W Stereo Audio Power Amplifier, with 4 Selectable Gain
(615.621.627.6dB) Settings And Input-Mux Control
4.5V~5.5V 5.0V HTSSOP-24
Typ=2.0W(RL=4Ω) 1%
PA4867 Dual 2.1W Audio Amplifier Plus Stereo Headphone Function 2.0V~5.5V 5.0V TSSOP-20 HTSSOP-20
Typ=1.9W(RL=4Ω) 1%
PA4863 Dual 2.2W Audio Amplifier Plus Stereo Headphone Function 2.0V~5.5V 5.0V DIP-16 SOP-16 SOP-18
HTSSOP-20
Typ=2.2W(RL=4Ω) 1%
TEA2025 2×2.3W Stereo Audio Amplifier 3.0V~12.0V 9.0V DIP-12H DIP-16 SOP-20
Typ=2.3W(RL=4Ω) 10%
TEA2025A 2×2.3W Stereo Audio Amplifier 3.0V~12.0V 9.0V DIP-12H DIP-16 SOP-20
Typ=2.3W(RL=4Ω) 10%
TEA2025D 2×2.3W Stereo Audio Amplifier 3.0V~12.0V 9.0V DIP-12H DIP-16 SOP-20
Typ=2.3W(RL=4Ω) 10%
2206 2×2.5W Dual Audio Power Amplifier 11.0V 9.0V DIP-12H
Typ=2.3W(RL=4Ω) 10%
PA3212 Stereo 2.6W Audio Power Amplifier, with 4 Selectable Gain
(615.621.627.6dB) Settings And Input-Mux Control
4.5V~5.5V 5.0V HTSSOP-24
Typ=2.6W(RL=3Ω) 10%
PA3312 Dual 2.6W Audio Power Amplifier, with 4 Selectable Gain
(61015.621.6dB) Settings And Input-Mux Control
4.5V~5.5V 5.0V HTSSOP-24
Typ=2.6W(RL=3Ω) 10%
PA3332 2.6W Stereo Audio Amplifier with Mute and Shutdown 6.0V 5.0V HTSSOP-24
Typ=2.6W(RL=4Ω) 10%
PA7522 2x3W BTL Audio Power Amplifier 3.5V~13.5V 8.0V HSIP-12A HSIP -14B
Typ=3.0W(RL=8Ω) 10%
TA8227AP 2×3.0W Low Frequency Power Amplifier 5.0V~12.0V 9.0V SOP-20 DIP-12H
Typ=3.0W(RL=3Ω) 10%
TA8207K Low Frequency Power Amplifier 6.0V~15.0V 12.0V FSIP-12H
Typ=4.6W(RL=4Ω) 10%
UA8229 Low Frequency Power Amplifier 6.0V~15.0V 12.0V HZIP-15A HSIP-14B
Typ=4.6W(RL=4Ω) 10%
PA5417 2x5W High Output Dual Power Amplifier 6.0V~15.0V 12.0V HZIP-15A
Typ=5.0W(RL=3Ω) 10%
TDA7499 2x6W Dual Stereo Amplifier with Mute and Stand-By  ±5.0V ~ ± 18.0V ±14.0V HZIP-11A
Typ=10W(RL=8Ω) 10%
PA1517 2x6W Stereo Audio Power Amplifier 6.0V~18.0V 14.4V HSIP-9B DIP-18 DIP-20
Typ=6W(RL=4Ω) 10%
TDA1519B 2x6W (12W BTL)Stereo Car Radio Power Amplifier 6.0V~18.0V 14.4V HSIP-9B
Typ=6W(RL=4Ω) 10%
TDA7266 2x7W Dual BTL Power Amplifier
with Mute and Stand-By
3.0V~18.0V 11.0V HZIP-15A HZIP-15B HZIP-15D
Typ=7.0W(RL=8Ω) 10%
TDA2004 2x10W Stereo Amplifier For Car Radio 8.0V~18.0V 14.4V HSIP-14 HZIP-11A
Typ=10W(RL=2Ω ) 10%
PA2005 2x10W (20W BTL)Stereo Amplifier For Car Radio 8.0V~18.0V 14.4V HSIP-14B HZIP-11A
Typ=10W(RL=2Ω) 10%
PA2009 2x10W Stereo Amplifier 8.0V~28.0V 24.0V HZIP-11A
10W(RL=4Ω) 1%
TDA22003 2x10W Stereo Amplifier
with internal 1/2 VCC supply rejection
8.0V~28.0V 24.0V TO-220Z9
Typ=12.5W(RL=4Ω) 1%
TDA7297 2x10W Stereo Amplifier With Mute/ST-BY 6.5V ~ 18.0V 13.0V HZIP-15D
Typ=10W(RL=8Ω) 10%
TDA1519C 2x11W (22W BTL)Stereo Power Amplifier 6.0V~17.5V 14.4V HSIP-9B
Typ=11W(RL=2Ω) 10%
PA2616 2x12W Hi-Fi  Audio Power Amplifier with Mute  ±7.5V ~ ±21.0V  ±16.0V HSIP-9B
Typ=12W(RL=8Ω) 0.5%
TDA7269 2x14W Stereo Amplifier with Mute and Stand-By ±5.0V ~ ±20.0V  ±16.0V HZIP-11A
 Typ=14W(RL=8Ω) 10%
TDA7265 2x25W  Stereo Amplifier with Mute and Stand-By ±5.0V ~ ±25.0V  ±20.0V HZIP-11A
Typ=25W(RL=8Ω) 10%
Multi-Channel High Power Audio Amplifier(Dual/Quad Channels)
Part No. Features Supply Voltage VCC Package
Output Power (W) THD
TDA6375 2x22W  Dual / Quad Power Amplifier For Car Radio 8.0V~18.0V 14.4V HZIP-15A
Typ=20W(RL=4Ω) 10%
TDA7377 2x30W Dual / Quad Power Amplifier For Car Radio 8.0V~18.0V 13.7V HZIP-15A HZIP-15D
Typ=30W(RL=4Ω)
TDA7375 2x35W Dual / Quad Power Amplifier For Car Radio 8.0V~18.0V 13.7V HZIP-15A HZIP-15D
Typ=35W(RL=4Ω)
TDA7388 4x41W Quad Bridge Car Radio Amplifier 8.0V~18.0V 14.4V HZIP-25B
Typ=26W(RL=4Ω) 10%
Stereo Audio Power Amplifier with DC Volume Control 
Part No. Features Supply Voltage VCC Package
Output Power (W) THD
TDA7053A 2×1.1W Stereo BTL Audio Output Amplifier
with DC Volume Control and Mute Function
4.5V ~ 18V 6.0V DIP-16 SOP-16
Typ=1.1W(RL=8Ω) 10%
PA4838 2×2.0W Stereo Audio Power Amplifier
with 32 Steps DC Volume Control and Selectable Gain
2.7V ~ 5.5V 5.0V HTSSOP-28 TSSOP-28
Typ=2.0W(RL=4Ω) 1%
PA7493 2×2.0W Stereo Class AB Audio Power Amplifier
with 32 Steps Volume Control and Two Output Modes BTL/SE
3.0V ~ 6.0V 5.0V DIP-16 SOP-16
Typ=2W(RL=4Ω) 10%
PA6021 2×2.0W Stereo Audio Power Amplifier
with 32 Steps DC Volume Control
4.0V ~ 5.5V 5.0V DIP-20
Typ=2W(RL=4Ω) 10%
TDA7496L 2×2.0W Stereo Audio Power Amplifier
with DC Volume Control with Stand-By Function
10.0V ~ 18.0V 14.0V DIP-20 SOP-20 HZIP-15D
Typ=2.0W(RL=8Ω) 10%
PA7468 2×2.6W Stereo Audio Power Amplifier
32 Steps Volume Control and Two Output Modes BTL/SE
4.5V ~ 5.5V 5.0V SOP-16
Typ=2.6W(RL=4Ω) 10%
PA7469 2×2.6W Stereo Audio Power Amplifier
32 Steps Volume Control and Two Output Modes BTL/SE
4.5V ~ 5.5V 5.0V DIP-16 SOP-16
Typ=2.6W(RL=4Ω) 10%
PA4835 2×2.8W Stereo Audio Power Amplifier
with 32 Steps DC Volume Control and Selectable Gain
3.3V ~ 5.5V 5.0V HTSSOP-28 TSSOP-28
Typ=2.8W(RL=3Ω) 10%
PA3011 2×3.0W Stereo Audio Power Amplifier
with 32 Steps Volume Control
4.0V ~ 5.5V 5.0V HTSSOP-24
Typ=3.0W(RL=3Ω) 10%
TDA8496 2×5.0W Stereo Audio Power Amplifier
with DC Volume Control with Stand-By Function
10.0V ~32.0V 22.0V HZIP-15A/B/D
5.0W(RL=8Ω) 10%
Stereo Headphone Driver Amplifier 
Part No. Features Supply Voltage VCC Package
Output Power (W) THD
A4537* Power Amplifier for 1.5V Headphone Stereos 0.9V~4.0V 1.5V MSOP-10 SSOP-10
Typ=8mW(RL=16Ω) 10%
A4533 Low Power Amplifier for 3V Headphone Stereo 1.6V~4.0V 3.0V MSOP-10 SSOP-10
Typ=40mW(RL=16Ω) 10%
3544 Headphone Amplifier for CD-ROM with Mute Function 2.8V~6.5V 5.0V DIP-8 SOP-8
Typ=62mW(RL=16Ω) <0.1%
S486 Dual 100mW Audio Power Amplifier with Shutdown Function 2.0V~5.5V 5.0V SOP-8
Typ=102mW(RL=16Ω) 0.1%
3541 Class AB Stereo Headphone Driver with Mute Function 3.0V~6.0V 5.0V DIP-8 SOP-8
Typ=110mW(RL=16Ω) <0.1%
PA2308 Class AB Stereo Headphone Driver 3.0V~ 6.0V 5.0V SOP-8
110mW(RL=32Ω) 10%
PA3112 2x150mW Audio Power Amplifier
Operation to 2.5V with Shutdown Function
2.5V~5.5V 5.0V MSOP-10
Typ=150mW(RL=16Ω) 0.1%
L3305 Low Voltage Class B Amplifier 1.0V~3.0V 1.3V TSSOP-14 SOP-14
Output Power Exceeds 140dBSPL
Audio Related Controller
Part No. Features Supply Voltage VCC Package
Output Voltage (Vrms) THD
U2429 Serial Data Control Dual Electronic Voltage 4.5V~5.5V 5.0V SOP-8 DIP-8
Typ=1.3 Vrms 1%
U7313 Audio Processor IC 6.0V~10.0V 9.0V SOP-28 DIP-28
Typ=2.5 Vrms 0.3%
UM2752 2 Input/1 Output Stereo Audio Selector 4.7V~10.0V 9.0V SOP-14 TSSOP-14
Typ=2.5 Vrms 1%
UM2750 4 Input/1 Output Stereo Audio Selector 4.7V~13.0V 9.0V SOP-16
Typ=2.5 Vrms 1%
UPC1237 Protector IC For Stereo Power Amplifier 25.0V~60.0V 45.0V SIP-8