TDA7435 查看數據表（PDF） - STMicroelectronics
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TDA7435 Datasheet PDF : 10 Pages
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TDA7435
ELECTRICAL CHARACTERISTICS (continued)
Symbol
VTHSM
RINT
VSMH
VSML
Parameter
Soft Mute Threshold
Pullup Resistor (pin 3)
(pin 3) Level High
(pin 3) Level Low
Test Condition
(note 2)
Soft Mute Active
Min.
3.5
GENERAL
VCC
Supply Voltage
ICC
Supply Current
PSRR Power Supply Rejection Ratio
eNO
Output Noise
S/N
Signal to Noise Ratio
SC
Channel Separation
d
Distortion
BUS INPUTS
VIL
Input Low Voltage
VlN
Input High Voltage
IlN
Input Current
VO
Output Voltage SDA
Acknowledge
6
7
f = 1KHz
60
Output Muted (B = 20 to 20kHz flat)
All Gains 0dB (B = 20 to 20kHz flat)
All Gains = 0dB; VO = 1Vrms
70
VIN =1V
3
VIN = 0.4V
-5
IO = 1.6mA
Note 1: WIN represents the MUTE programming bit pair D6, D5 for the zero crossing window threshold
Note 2: Internall pullup resistor to Vs/2; ”LOW” = softmute active
Figure 1: HP Filter.
Typ.
2.3
100
9
11
70
3.5
5
106
80
0.01
Max.
1
10.2
15
15
0.08
1
5
0.4
Unit
V
KΩ
V
V
V
mA
dB
µV
µV
dB
dB
%
V
V
µA
V
56K
18.7K
9.3K
7.6K
56K
4.3K
3.5K
52.5K
+
100nF
100nF
-
HP2
HP1
6.2K 3.5K 2.1K 3.8K 4.6K 9.3K 28K
28K
4/10
R1 = EQUIVALENT RESISTANCE AT PIN HP1
R2 = EQUIVALENT RESISTANCE AT PIN HP2
D96AU439
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