TDA7438 STMicroelectronics, TDA7438 Datasheet - Page 3
TDA7438
Manufacturer Part Number
TDA7438
Description
IC PROCESSOR AUDIO DGTL 28-PDIP
Manufacturer
STMicroelectronics
Type
Audio Processorr
Datasheet
1.TDA7438D.pdf
(19 pages)
Specifications of TDA7438
Applications
Automotive Systems
Mounting Type
Through Hole
Package / Case
28-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TDA7438D
Manufacturer:
ST
Quantity:
5 510
Part Number:
TDA7438D
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
TDA7438D013TR
Manufacturer:
SKYWORKS
Quantity:
9
Part Number:
TDA7438D013TR
Manufacturer:
ST
Quantity:
20 000
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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