OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

TDA7439

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23
Electrical specifications TDA7439
4/23
2 Electrical specifications
Table 5. shows the electrical characteristics. Refer to the test circuit in Figure 3, T
amb
=
25° C, V
S
= 9 V, R
L
= 10 kΩ, generator resistance R
g
= 600 Ω, all controls flat (G = 0 dB),
unless otherwise specified.
Table 2. Absolute maximum ratings
Symbol Parameter Value Unit
V
S
Operating supply voltage 10.5 V
T
amb
Operating ambient temperature 0 to 70 °C
T
stg
Storage temperature range -55 to 150 °C
Table 3. Thermal data
Symbol Parameter Value Unit
R
th j-pin
Thermal resistance junction-pins 85 °C/W
Table 4. Quick reference data
Symbol Parameter Min Typ Max Unit
V
S
Supply voltage 6 9 10.2 V
V
CL
Max. input signal handling 2
V
RMS
THD Total harmonic distortion V = 1 V RMS, f = 1 kHz 0.01 0.1 %
S/N Signal to noise ratio V
out
= 1 V RMS (mode = OFF) 106 dB
S
C
Channel separation f = 1 kHz 90 dB
Input gain (in 2-dB steps) 0 30 dB
Volume control (in 1-dB steps) -47 0 dB
Treble control (in 2-dB steps) -14 +14 dB
Middle control (in 2-dB steps) -14 +14 dB
Bass control (in 2-dB steps) -14 +14 dB
Balance control (in 1-dB steps) -79 0 dB
Mute attenuation 100 dB
Table 5. Electrical characteristics
Symbol Parameter Test condition Min Typ Max Unit
Supply
V
S
Supply voltage 6 9 10.2 V
I
S
Supply current 4 7 10 mA
SVR Ripple rejection 60 90 dB
Obsolete Product(s) - Obsolete Product(s)
TDA7439 Electrical specifications
5/23
Input stage
R
IN
Input resistance 70 100 130 kΩ
V
CL
Clipping level THD = 0.3% 2 2.5
V
RMS
S
IN
Input separation
The selected input is
grounded through a 2.2 µF
capacitor
80 100 dB
G
in_min
Minimum input gain -1 0 1 dB
G
in_max
Maximum input gain 29 30 31 dB
G
step
Step resolution 1.5 2 2.5 dB
Volume control
R
i
Volume control input resistance 20 33 50 kΩ
C
range
Volume control range 45 47 49 dB
A
v_max
Max. attenuation 45 47 49 dB
A
step
Step resolution 0.5 1 1.5 dB
E
A
Attenuation set error
A
V
= 0 to -24 dB -1.0 0 1.0 dB
A
V
= -24 to -47 dB -1.5 0 1.5 dB
EΤ Tracking error
A
V
= 0 to -24 dB 0 1 dB
A
V
= -24 to -47 dB 0 2 dB
V
DC
DC step
adjacent attenuation steps
from 0 dB to A
v_max
0
0.5
3mV
mV
A
mute
Mute attenuation 80 100 dB
Bass control
(1)
Gb Control range Max. boost/cut ±12.0 ±14.0 ±16.0 dB
B
step
Step resolution 1 2 3 dB
R
B
Internal feedback resistance 33 44 55 kΩ
Treble control
(1)
Gt Control range Max. boost/cut ±13.0 ±14.0 ±15.0 dB
T
step
Step resolution 1 2 3 dB
Mid-range control
(1)
Gm Control range Max. boost/cut ±12.0 ±14.0 ±16.0 dB
M
step
Step resolution 1 2 3 dB
R
M
Internal feedback resistance 18.75 25 31.25 kΩ
Table 5. Electrical characteristics (continued)
Symbol Parameter Test condition Min Typ Max Unit
Obsolete Product(s) - Obsolete Product(s)
Electrical specifications TDA7439
6/23
Speaker attenuators
C
range
Control range 70 76 82 dB
S
step
Step resolution 0.5 1 1.5 dB
E
A Attenuation set error
A
V
= 0 to -20 dB -1.5 0 1.5 dB
A
V
= -20 to -56 dB -2 0 2 dB
V
DC
DC step Adjacent attenuation steps 0 3 mV
A
mute
Mute attenuation 80 100 dB
Audio outputs
V
CLIP
Clipping level d = 0.3% 2.1 2.6 Vrms
R
L
Output load resistance 2 kΩ
R
O
Output impedance 10 40 70 Ω
V
OUTDC
DC voltage level 3.5 3.8 4.1 V
General
E
NO
Output noise
All gains = 0 dB;
BW = 20 Hz to 20 kHz flat
515µV
E
t
Total tracking error
A
V
= 0 to -24 dB 0 1 dB
A
V
= -24 to -47 dB 0 2 dB
S/N Signal to noise ratio
All gains 0 dB,
V
O
= 1 V RMS
95 106 dB
S
C
Channel separation, left/right 80 100 dB
dDistortion A
V
= 0, V
I
= 1 V RMS 0.01 0.08 %
Bus input
V
IL
Input low voltage 1 V
V
IH
Input high voltage 3 V
I
IN
Input current V
IN
= 0.4 V -5 0 5 µA
V
O
Output voltage SDA
acknowledge
I
O
= 1.6 mA 0.4 0.8 V
1. For bass, mid-range and treble response: the center frequency and the response quality can be set by the
external circuitry.
Table 5. Electrical characteristics (continued)
Symbol Parameter Test condition Min Typ Max Unit
Obsolete Product(s) - Obsolete Product(s)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23

TDA7439

Mfr. #:
Buy TDA7439
Manufacturer:
STMicroelectronics
Description:
Audio DSPs 3-Band Digital Cont
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet