TDA7440D
Table 5. Electrical Characteristcs
(continued)
Refer to the test circuit T
amb
= 25°C, V
S
= 9V, R
L
= 10KΩ, R
G
= 600Ω, all controls flat (G = 0dB), unless
otherwise specified.
Symbol
AUDIO OUTPUTS
V
CLIP
R
L
R
O
V
DC
E
NO
E
t
S/N
S
C
d
V
IL
V
IH
I
IN
V
O
Clipping Level
Output Load Resistance
Output Impedance
DC Voltage Level
Output Noise
Total Tracking Error
Signal to Noise Ratio
Channel Separation Left/Right
Distortion
Input Low Voltage
Input High Voltage
Input Current
Output Voltage SDA
Acknowledge
V
IN
= 0.4V
I
O
= 1.6mA
3
-5
0
0.4
5
0.8
A
V
= 0; V
I
= 1Vrms
All gains = 0dB;
BW = 20Hz to 20KHz flat
A
V
= 0 to -24dB
A
V
= -24 to -47dB
All gains 0dB; V
O
= 1Vrms
95
80
0
0
106
100
0.01
0.08
1
1
2
dB
dB
dB
dB
%
V
V
µA
V
d = 0.3%
2.1
2
10
3.5
30
3.8
5
50
4.1
15
2.6
Vrms
KΩ
Ω
V
µV
Parameter
Test Condition
Min.
Typ.
Max.
Unit
GENERAL
BUS INPUT
Figure 4. Test Circuit
5.6nF
2.2
µ
F
MUXOUTL
L-IN1
0.47
µ
F
L-IN2
0.47
µ
F
L-IN3
0.47
µ
F
L-IN4
0.47
µ
F
R-IN1
0.47
µ
F
R-IN2
0.47
µ
F
R-IN3
0.47
µ
F
R-IN4
0.47
µ
F
28
100K
INPUT MULTIPLEXER
+ GAIN
10
MUXOUTR
INR
2.2
µ
F
5.6nF
11
TREBLE(R)
19
12
BIN(R)
R
B
13
BOUT(R)
23
CREF
D98AU885
5.6K
100nF
100nF
INL
8
TREBLE(L)
9
18
BIN(L)
14
R
B
BOUT(L)
15
4
100K
5
100K
6
100K
7
100K
0/30dB
2dB STEP
100K
2
100K
1
G
VOLUME
TREBLE
BASS
SPKR ATT
LEFT
27
LOUT
21
I
2
CBUS DECODER + LATCHES
22
20
SCL
SDA
DIG_GND
3
G
VOLUME
TREBLE
BASS
SPKR ATT
RIGHT
V
REF
26
ROUT
100K
24
SUPPLY
25
V
S
AGND
100nF
5.6K
100nF
10
µ
F
4/17
STMICROELECTRONICS [ STMICROELECTRONICS ]
