TDA7571 STMicroelectronics, TDA7571 Datasheet - Page 13

• Manufacturer Part Number: TDA7571
• Description: STPDACsw - Fully digital high efficiency power audio amplifier
• Manufacturer: STMicroelectronics

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TDA7571
3.4
3.4.1
Notes on the electrical schematic shown in
Main characteristics
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The schematic is depicted showing the suggested structure of the printed circuit board
tracks (star points, high current path, components placement).
To avoid malfunctioning due to the parasitic inductance, short connections lengths are
recommended.
Table 6.
(See schematic of
2 channels single-ended or 1 channel bridge PWM amplifier
Power output: see
Figure
Figure
Output voltage @ input = -6Bfs:
–
–
Clip detector settled at THD=10%
No dithering selected
Figure
Figure
Components
P-MOS-R
N-MOS-R
3: PLL option
4: free running oscillator option
N-MOS-L
P-MOS-L
Rp-N-R2
Rp-N-L2
RP-P-L2
Rp-P-R2
Component characteristics
3: 10Vrms (single ended) - 20Vrms (bridge)
4: 9.5Vrms (single ended) - 19Vrms (bridge)
Figure 3
Table 5
& 3)
2 x 4 Ohm single-ended
(power supply = ±25V)
(2 x 65W / 1 x 130W)
or 8 Ohm bridge
Minimum load:
STP14NF06
STP12PF06
Not present
2 x 2 Ohm single-ended
Figure 3
Electrical specifications
(power supply = ±25V)
(2 x 125W / 1 x 250W)
or 4Ohm bridge
2 x STP14NF06
Minimum load:
2 x STP12PF06
in parallel
in parallel
4.7K
and
4
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