Key facts
Start here
Philips TDA1521A 2 x 6 W Hi-Fi Audio Power Amplifier Datasheet
The Philips TDA1521A is a dual hi-fi audio power amplifier encapsulated in a 9-lead plastic power package (SOT 110B). It is designed for mains-fed applications such as stereo TV sound and stereo radio, requiring very few external components. Key features include input muting during power-on and off to prevent clicks, low offset voltage, excellent gain balance, and short-circuit protection.
Read onlinePhilips TDA1521 specifications
| Output power | 2 x 6 W |
|---|---|
| Supply voltage range | +7,5 to +21,0 V |
| Voltage gain | 30 dB |
| Gain balance | 0,2 dB |
| Ripple rejection | 60 dB |
| Channel separation | 70 dB |
| Noise output voltage | 70 µV |
| Package type | 9-lead plastic power |
Source: Philips TDA1521A 2 x 6 W Hi-Fi Audio Power Amplifier Datasheet
All Philips TDA1521 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the output power of the TDA1521A?
The device delivers 2 x 6 W into an 8 Ω load with a THD of 0.5%.
From: Philips TDA1521A 2 x 6 W Hi-Fi Audio Power Amplifier Datasheet
Does the TDA1521A have a mute circuit?
Yes, it features an input mute circuit that suppresses unwanted input signals during switching on and off.
From: Philips TDA1521A 2 x 6 W Hi-Fi Audio Power Amplifier Datasheet
What is the output power of the TDA1521?
The device delivers an output power of 2 x 12 watts (THD = 0.5%) into an 8 Ω load with a symmetrical supply of ± 16 V.
From: Philips TDA1521/TDA1521Q 2 x 12 W Hi-Fi Audio Power Amplifier Datasheet
Does the amplifier have protection against switch-on clicks?
Yes, it features a mute circuit that suppresses unwanted input signals during switching on and off.
From: Philips TDA1521/TDA1521Q 2 x 12 W Hi-Fi Audio Power Amplifier Datasheet