TDA7439DS Datasheet, PDF (4/16 Pages) STMicroelectronics – THREE BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR

TDA7439DS
ELECTRICAL CHARACTERISTICS (continued.)
Symbol
Parameter
AUDIO OUTPUTS
VCLIP
Clipping Level
R_L
Output Load Resistance
RO
Output Impedance
VDC
DC Voltage Level
GENERAL
E_NO
Output Noise
E_t
Total Tracking Error
S/N
Signal to Noise Ratio
S_C
Channel Separation Left/Right
d
Distortion
BUS INPUT
VIL
Input Low Voltage
V_IH
Input High Voltage
IIN
Input Current
V_O
Output Voltage SDA
Acknowledge
Test Condition
d = 0.3%
All gains = 0dB;
BW = 20Hz to 20KHz flat
A_V = 0 to -24dB
A_V = -24 to -47dB
All gains 0dB; VO = 1VRMS ;
AV = 0; VI = 1VRMS ;
VIN = 0.4V
IO = 1.6mA
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
5.6nF
2.7K
18nF
5.6K
22nF 100nF
100nF
L-IN1 4
0.47µF
L-IN2 5
0.47µF
L-IN3 6
0.47µF
L-IN4 7
0.47µF
100K
100K
100K
100K
R-IN1 3
0.47µF
R-IN2 2
0.47µF
R-IN3 1
0.47µF
R-IN4 28
0.47µF
100K
100K
100K
100K
MUXOUTL
8
TREBLE(L)
18
MOUT(L)
17
16
R_M
BIN(L)
14
R_B
BOUT(L)
15
G
VOLUME
TREBLE
MIDDLE
BASS
SPKR ATT
LEFT
LOUT
27
0/30dB
2dB STEP
I²CBUS DECODER + LATCHES
21
SCL
22
SDA
20
DIGGND
G
VOLUME
TREBLE
MIDDLE
BASS
INPUT MULTIPLEXER
+ GAIN
9
MUXOUTR
19
TREBLE(R)
R_M
10
11
MOUT(R)
R_B
12
BIN(R)
SPKR ATT
RIGHT
26
ROUT
V_REF
24
SUPPLY
25
13
23
BOUT(R) CREF
V_S
AGND
5.6nF
18nF
2.7K
22nF 100nF
5.6K
100nF
10µF
D98AU886
4/16
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