TDA7438D STMicroelectronics, TDA7438D Datasheet - Page 3

• Manufacturer Part Number: TDA7438D
• Description: IC PROCESSOR TONE/BALANCE 28SOIC
• Manufacturer: STMicroelectronics
• Type: Audio Processorr

Specifications of TDA7438D

• Applications: Automotive Systems
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-3982-5

Table 5. Electrical Characteristcs: (refer to the test circuit Tamb = 25°C, VS = 9V, RL= 10K ,
RG = 600 , all controls flat (G = 0dB), unless otherwise specified
SUPPLY
INPUT STAGE
VOLUME CONTROL
BASS CONTROL (The center frequency and the response quality can be chosen by the ext. circuitry)
TREBLE CONTROL (The center frequency and the response quality can be chosen by the ext. circuitry)
MIDDLE CONTROL (The center frequency and the response quality can be chosen by the ext. circuitry
Symbol
C
G
G
B
A
A
M
A
T
G
SVR
RANGE
V
V
inmin
mute
R
inman
STEP
Gm
S
VMAX
STEP
Gb
STEP
R
V
E
R
E
STEP
Gt
I
step
DC
R
S
CL
M
S
IN
IN
A
B
T
i
Supply Voltage
Supply Current
Ripple Rejection
Input Resistance
Clipping Level
Input Separation
Minimum Input Gain
Maximum Input Gain
Step Resolution
Input Resistance
Control Range
Max. Attenuation
Step Resolution
Attenuation Set Error
Tracking Error
DC Step
Mute Attenuation
Control Range
Step Resolution
Internal Feedback Resistance
Control Range
Step Resolution
Control Range
Step Resolution
Internal Feedback Resistance
Parameter
THD = 0.3%
The selected input is grounded
through a 2.2 capacitor
A
A
A
A
adjacent attenuation steps from
0dB to A
Max. Boost/cut
Max. Boost/cut
Max. Boost/cut
V
V
V
V
= -24 to -47dB
= 0 to -24dB
= 0 to -24dB
= -24 to -47dB
V
Test Condition
max
)
+12.0
+13.0
+12.0
18.75
Min.
-1.0
-1.5
0.5
60
80
20
45
45
80
33
-1
6
2
1
1
1
+14.0
+14.0
+14.0
Typ.
100
100
100
2.5
0.5
90
30
33
47
47
44
25
9
7
0
2
1
0
0
0
0
0
2
2
2
+16.0
+15.0
+16.0
31.25
Max.
10.2
1.5
1.0
1.5
50
49
49
55
)
1
1
2
3
3
3
3
TDA7438
Vrms
Unit
mA
mV
mV
K
K
K
K
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V
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