E-TDA7437N STMicroelectronics, E-TDA7437N Datasheet - Page 28

• 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

Curves of electrical characteristics
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Figure 7.
Figure 9.
Figure 11. Soft mute ON
Main Menu
Pin Csm
OUT LF
V
OUT LF
(1V/div)
CREF
CREF
(1V)
V
V
BWL
BWL
Curves of electrical characteristics
Power on time constant vs C
capacitor C
Power on time constant vs C
capacitor C
SOFT MUTE=ON SLOPE=FAST Vout=500mVrms
(a)
REF
REF
= 4.7μF
= 22μF
0.5s/DIV
1s/DIV
D95AU382
D95AU380
TIME
TIME
2
1
2
1
D95AU384
REF
REF
Figure 8.
Figure 10. SVRR vs. frequency
Vout
V
SOFT MUTE
(1V/div)
OUT LF
CREF
S
-100
(dB)
-40
-50
-60
-70
-80
-90
VRR
V
BWL
10
Power on time constant vs C
capacitor C
47μF
100
CH1 9V DC
4.7μF
(b)
REF
1K
= 10μF
VS=8V
Ripple=0.2VRMS
AV=-15dB
10K
CH1 0.5V
CH2 20mV
CH3 0.2V
CH4 20mV
0.5s/DIV
D95AU383
D95AU381
Freq(Hz)
10
10
x
x
10
10
x
x
=
~
~
= T/div 1ms
TDA7437N
TIME
2
1
TIME
Chan 2
1ms 0.2V
Chan 3
1ms 2V
REF