TDA1517, amplifier testing. Characteristics Measurement
| Testing device | TDA 1517 amplifier |
| Sampling mode | 24-bit, 48 kHz |
| Interface | E-MU1616m |
| Testing chain | E-MU1616m>TDA 1517 amplifier>E-MU1616m |
| Supply voltage DC | 15V |
| Load resistance | 4 Ohm |
| Testing power | 2W |
| Maximum power | 5W |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | -0.5 dB / -0.5 dBБ |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
Summary
| Frequency response (from 40 Hz to 15 kHz), dB | +0.19, -3.11 |
Average |
| Noise level, dB (A) | -96.1 |
Excellent |
| Dynamic range, dB (A) | 96.2 |
Excellent |
| THD, % | 0.151 |
Average |
| THD + Noise, dB (A) | -54.2 |
Poor |
| IMD + Noise, % | 0.262 |
Average |
| Stereo crosstalk, dB | -56.9 |
Average |
| IMD at 10 kHz, % | 0.177 |
Average |
| General performance | Good |
Frequency response
Left |
Right |
|
| From 20 Hz to 20 kHz, dB | -7.60, +0.20 |
-7.67, +0.19 |
| From 40 Hz to 15 kHz, dB | -3.07, +0.20 |
-3.11, +0.19 |
Noise level
Left |
Right |
|
| RMS power, dB | -95.2 |
-94.8 |
| RMS power (A-weighted), dB | -96.2 |
-95.9 |
| Peak level, dB FS | -74.6 |
-73.2 |
| DC offset, % | -0.0 |
-0.0 |
Dynamic range
Left |
Right |
|
| Dynamic range, dB | +95.3 |
+95.0 |
| Dynamic range (A-weighted), dB | +96.4 |
+96.0 |
| DC offset, % | +0.00 |
-0.00 |
THD + Noise (at -3 dB FS)
Left |
Right |
|
| THD, % | 0.15093 |
0.15174 |
| THD + Noise, % | 0.15100 |
0.15182 |
| THD + Noise (A-weighted), % | 0.19502 |
0.19650 |
Intermodulation distortion
Left |
Right |
|
| IMD + Noise, % | 0.26090 |
0.26335 |
| IMD + Noise (A-weighted), % | 0.11909 |
0.12042 |
Stereo crosstalk
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -52 |
-53 |
| Crosstalk at 1000 Hz, dB | -56 |
-56 |
| Crosstalk at 10000 Hz, dB | -47 |
-56 |
IMD (swept tones)
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.23770 |
0.23671 |
| IMD + Noise at 10000 Hz, | 0.14773 |
0.14395 |
| IMD + Noise at 15000 Hz, | 0.15575 |
0.14071 |
Conclusions
| A simple amplifier to drive small speakers or multimedia speakers. Not a big blockage of frequency response on
low frequencies are made specifically to delay the overload of the low frequencies. It is also worth noting that the amplifier
not bad wins back the midrange and high frequency range. On the board, a polygon is divorced and filled with solder to remove heat from
microcircuits, which makes the amplifier more durable.
Summary: The stereo amplifier on the TDA 1517 is a budget device with low output power. Buy the amplifier can be found in our store kit-amp.com. This amplifier is suitable for repairing multimedia equipment with a non-repairable amplifying part, as well as for projects that do not require high power and sound quality |
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