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TDA7437N Datasheet(PDF) 10 Page - STMicroelectronics

Part # TDA7437N
Description  Digitally controlled audio processor
PDF  34 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7437N Datasheet(HTML) 10 Page - STMicroelectronics

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



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