E-TDA7437N STMicroelectronics, E-TDA7437N Datasheet - Page 29

• Manufacturer Part Number: E-TDA7437N
• Description: Multimedia Misc CNTRL audio PROCESSR
• Manufacturer: STMicroelectronics
• Type: Audio Processorr

Specifications of E-TDA7437N

• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Package / Case: TQFP-44
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7437N
Figure 12. Soft mute OFF
Figure 13. Zero crossing mute ON
Figure 15. Pause detector
Main Menu
Pin Csm
Main Menu
Panel
Memory
Save
Recall
Auxiliary
Setups
Memory
Card
X-Y mode
Persistance
mode
Return
STATUS
PANEL
V
PAUSE DETECTOR ZCW=140mV Cpause=100nF
V
V
RIGHT
ZERO CROSSING MUTE = ON
LEFT
SOFT MUTE=OFF SLOPE=FAST Vout=500mVrms
CH2 528mV DC
CH2 4.12V DC
Vout
(a)
D95AU389
D02AU1385
TIME
TIME
0.5ms 0.2V
x Chan 2
0.5ms 0.2V
x Chan 1
Chan 1
20ms 0.2V
Chan 2
20ms 2V
D95AU387
Figure 14. Zero crossing mute OFF
Figure 16. Pause detector
Vout
V
Main Menu
Main Menu
Multi Zoom
off
SOFT MUTE
V
US
Curves of electrical characteristics
ZERO CROSSING MUTE = OFF
2ms
LEFT
C O
CH2 4.08V DC
CH1 9V DC
Vout
CH1 2.7V DC
C
(b)
0
BWL
Cpause
RIGHT
CH1 20mV
CH2 0.2V
CH3 20mV
CH4 5mV
D02AU1386
D95AU390
TIME
00
10
10
x
x
10
Chan 2
20ms 2V
Chan 3
20ms 0.2V
10
x
x
=
~ T/div 20ms
0.2ms 1V
x Chan 1
0.2ms 0.5V
~
~
x Chan 2
TIME
Chan 2
1ms 0.2V
Chan 1
1ms 2V
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