TDA7572 Datasheet, PDF (18/64 Pages) STMicroelectronics – 200W mono bridge PWM amplifier with built-in step-up converter

Electrical specifications
TDA7572
4.3.3 Input stage
Table 8.
Symbol
Input stage
Parameters
Test conditions
Input diff. amp./ gain attenuator
R_IN,
No
compress
ion
Input resistance
R_IN max
compress
ion
INLEVEL1=0, INLEVEL0=0
INLEVEL1=0, INLEVEL0=1
INLEVEL1=1, INLEVEL0=0
INLEVEL1=1, INLEVEL0=1
INLEVEL1=0, INLEVEL0=0
INLEVEL1=0, INLEVEL0=1
INLEVEL1=1, INLEVEL0=0
INLEVEL1=1, INLEVEL0=1
INLEVEL1=0, INLEVEL0=0
V_InMax
Input clipping level
Voltage level of the input
that trespassed cause
clipping in the preamplifier
INLEVEL1=0, INLEVEL0=1
INLEVEL1=1, INLEVEL0=0
INLEVEL1=1, INLEVEL0=1
INLEVEL1=1,INLEVEL0=1
Not tested in production
A_{IN_0}
(V_AOUT-V_SVR) / (VInP-VinM)
INLEVEL1=0, INLEVEL0=0,
no compression
A_{IN_2}
Input stage gain
A_{IN_1}
(V_AOUT- V_SVR) / (VInP-VinM)
INLEVEL1=0, INLEVEL0=1,
no compression
(V_AOUT- V_SVR) / (VInP-VinM)
INLEVEL1=1, INLEVEL0=0
no compression
A_{IN_3}
(V_AOUT- V_SVR) / (VInP-VinM)
INLEVEL1=1, INLEVEL0=1,
no compression
V_outH
AOUT output voltage swing
With respect to SVR, 10K loading
to a buffered version of SVR
V_outL AOUT output swing
With respect to SVR, 10K loading
to a buffered version of SVR
AOUT_THD THD
Vin=1Vrms, f=20-20KHz,
INLEVEL1=0, INLEVEL0=0,
no compression
Min.
-30%
-30%
-30%
-30%
-30%
-30%
-30%
-30%
2
7
2.6
9.5
-10
-4
-15
-6.3
-17.6
2
Typ. Max. Units
20
12
22
12
15.6
12
16
12
+30%
+30%
+30%
+30%
+30%
+30%
+30%
+30%
KΩ
V_RMS
V_RMS
V_RMS
V_RMS
+10
-3
-2
dB
-14
-13
dB
-5.3
-4.3 dB
-16.6 -15.6 dB
V
-2
V
0.01 0.05 %
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