TDA7571 STMicroelectronics, TDA7571 Datasheet - Page 8

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

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Electrical specifications
Table 5.
8/21
Symbol
V
V
THD
SVR
V
F
ΔG
S/N
DR
P
Ge
A
gspth
gsnth
V
V
E
V
V
ohs
c
SW
dt
m
ih
ih
n
t
il
il
e
Power dissipation of the external
power transistors
Total harmonic distortion
Half scale output voltage
Output noise @ IN = -999dBFS
Dynamic range
Signal-to-noise ratio (noise floor)
Gain error
Delta gain error between
channels
Crosstalk
Threshold voltage of the
Pchannel V
(VSpx1 - VGpxs)
Threshold voltage of the
Pchannel V
(VSnxs - VSnx1)
Mute attenuation
Supply voltage rejection
Switching frequency
3.3V Logic inputs low level
voltage
3.3V Logic inputs high level
voltage
5V Logic inputs low level voltage pin: L/R, CD SEL1, CD SEL2, P/O,
5V Logic inputs high level voltage
Electrical characteristics (continued)
(V
in
S
Figure
= ±25V, R
Parameter
gs
gs
3, 2 x 65W/1 x 130W system, unless otherwise specified.)
sensor
sensor
L
= 4Ω, f = 1kHz, T
@ P
configuration, 1x250W system
@ P
@ P
single-ended, output voltage
@ IN = −6dBFS
"A" weighted, single-ended
“A” weighted, bridge
“A” weighted, -60dBFS, Single-
ended PLL option circuit
“A” weighted, -60dBFS, Bridge
free running oscillation option
"A" weighted, single-ended
“A” weighted, bridge
f = 1kHz
f = 1kHz
f = 1kHz, V
V
f = 100Hz, V
pin: ST-BY, MUTE, SD, WS,
SCK, MCLK bridge
D1, D2. (these pins are typically
connected to the DGND or 5V
dig pins)
o
j
= 1Vrms
= 25°C, F
out
out
out
= 25W, bridge
= 10 W, single ended
= 40 W, bridge
Test condition
o
= 1Vrms
r
S
= 0.5V
= 44.1kHz, Single-Ended, application circuit shown
Min.
2.5
2.5
2.3
3.5
80
50
F
Typ.
0.05
180
100
100
110
S
0.1
10
10
85
96
60
90
60
3
3
x 8
Max.
1.5
0.2
3.5
3.5
1.5
1.5
TDA7571
Vrms
Unit
KHz
µV
dB
dB
dB
dB
dB
dB
dB
dB
W
%
%
V
V
V
V
V
V