TDA7439 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7439' PDF : 23 Pages View PDF
ELECTRICAL CHARACTERISTICS (continued.)
Symbol
Parameter
AUDIO OUTPUTS
VCLIP
Clipping Level
RL
Output Load Resistance
RO
Output Impedance
VDC
DC Voltage Level
GENERAL
ENO
Output Noise
Et
Total Tracking Error
S/N
Signal to Noise Ratio
SC
Channel Separation Left/Right
d
Distortion
BUS INPUT
VIL
Input Low Voltage
VIH
Input High Voltage
IIN
Input Current
VO
Output Voltage SDA
Acknowledge
Test Condition
d = 0.3%
All gains = 0dB;
BW = 20Hz to 20KHz flat
AV = 0 to -24dB
AV = -24 to -47dB
All gains 0dB; VO = 1VRMS ;
AV = 0; VI = 1VRMS ;
VIN = 0.4V
IO = 1.6mA
TDA7439
Min. Typ. Max. Unit
2.1
2.6
VRMS
2
KΩ
10
40
70
Ω
3.5
3.8
4.1
V
5
15
µV
0
1
dB
0
2
dB
95
106
dB
80
100
dB
0.01 0.08
%
1
V
3
V
-5
0
5
µA
0.4
0.8
V
TEST CIRCUIT
L-IN1 11
0.47µF
100K
L-IN2 12
0.47µF
100K
L-IN3 13
0.47µF
100K
L-IN4 14
0.47µF
100K
R-IN1 10
0.47µF
R-IN2 9
0.47µF
R-IN3 8
0.47µF
R-IN4 7
0.47µF
100K
100K
100K
100K
2.2µF
5.6nF
2.7K
18nF
5.6K
22nF 100nF
100nF
MUXOUTL
INL TREBLE(L)
15
16
27
MOUT(L)
26
25
RM
BIN(L)
23
RB
BOUT(L)
24
G
VOLUME
TREBLE
MIDDLE
BASS
SPKR ATT
LEFT
LOUT
6
0/30dB
2dB STEP
I2CBUS DECODER + LATCHES
30
SCL
1
SDA
29
DIGGND
G
VOLUME
TREBLE
MIDDLE
BASS
INPUT MULTIPLEXER
+ GAIN
17
18
28
MUXOUTR
INR TREBLE(R)
RM
19
20
MOUT(R)
RB
21
BIN(R)
SPKR ATT
RIGHT
5
ROUT
VREF
3
SUPPLY
4
22
2
BOUT(R) CREF
VS
AGND
2.2µF
5.6nF
18nF
2.7K
22nF 100nF
5.6K
100nF
10µF
D95AU339B
®
5/19
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