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E-TDA7437N View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
E-TDA7437N Digitally controlled audio processor ST-Microelectronics
STMicroelectronics ST-Microelectronics
E-TDA7437N Datasheet PDF : 34 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Electrical characteristics
TDA7437N
Table 4.
Symbol
Electrical characteristics (continued)
Parameter
Test condition
Min. Typ. Max. Unit
VDC DC steps
Loudness control (Pin 4, 12)
Adjacent gain steps
-5
+5 mV
Adjacent attenuation steps -3
+3 mV
From 0dB to AMAX
0.5 5 mV
RI
AMAX
Astep
Internal resistor
Maximum attenuation
Step resolution
Zero crossing mute
Loud = On
35 50 65 KΩ
19 20 21 dB
0.5 1 1.5 dB
VTH Zero crossing threshold (1)
AMUTE Mute attenuation
VDC DC step
Soft mute
WIN = 11
WIN = 10
WIN = 01
WIN = 00
0dB to Mute
35
mV
70
mV
140
mV
280
mV
80 100
dB
0.1 3 mV
AMUTE Mute attenuation
TDON ON delay time
TDOFF OFF current
RINT
VSMH
VSML
Pullup resistor (pin 28)
(pin 28) Level high
(pin 28) Level low
Bass control
50 65
dB
CCSM = 22nF; 0 to -20dB; I
= IMAX
0.8
1.5
2.0
ms
CCSM = 22nF; 0 to -20dB; I
= IMIN
25
45
60
ms
VCSM = 0V; I = IMAX
20 40 60 mA
VCSM = 0V; I = IMIN
(2)
2
μA
100
KΩ
3.5
V
Soft mute active
1
V
Crange
Astep
Rg
Control range
Step resolution
Internal feedback resistance
Middle control
±11.5 ±14 ±16 dB
1
2
3
dB
31 44 57 KΩ
Crange
Astep
Rg
Control range
Step resolution
Internal feedback resistance
±11.5 ±14 ±16 dB
1
2
3
dB
17.5 25 32.5 KΩ
10/34
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