TDA7348 STMicroelectronics, TDA7348 Datasheet - Page 7

• Manufacturer Part Number: TDA7348
• Description: Audio DSPs REORD 511-TDA7348D
• Manufacturer: STMicroelectronics

Specifications of TDA7348

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7348
Table 1.
Soft mute
Bass control
Treble control
Speaker attenuators
Audio output
General
Symbol
C
C
B
A
V
A
T
V
T
V
B
A
A
BOOST
RANGE
RANGE
R
A
V
V
V
V
MUTE
THSM
MUTE
DOFF
R
R
E
R
DON
SMH
SML
CUT
step
step
step
INT
DC
clip
DC
CC
O
A
g
L
Mute attenuation
ON delay time
OFF delay time
Soft mute threshold
Pull-up resistor (pin 22)
(pin 22) level high
(pin 22) level low
Max bass boost
Max bass cut
Step resolution
Internal feedback resistance
Control range
Step resolution
Control range
Step resolution
Output mute attenuation
Attenuation set error
DC steps
Clipping level
Output load resistance
Output impedance
DC voltage level
Supply voltage
Electrical characteristics (continued)
V
0dB); f = 1KHz. Refer to the test circuit, unless otherwise specified.
S
= 9V; R
Parameter
L
= 10KΩ; Rg = 50Ω; T
C
I
C
I
V
V
Data word = XXX11111
Adjacent attenuation steps
d = 0.3%
Soft Mute active
MAX
MIN
CSM
CSM
CSM
CSM
= 0V; I = I
= 0V; I = I
= 22nF; 0 to -20dB; I =
= 22nF; 0 to -20dB; I =
Test Condition
amb
= 25°C; all controls flat (G = 0.3dB step
MAX
MIN
Electrical characteristics
Min.
-8.5
±13
0.7
1.5
3.5
0.5
2.1
3.5
45
20
25
35
15
45
35
80
1
1
2
6
Typ.
37.5
1.25
±14
100
2.5
-10
2.6
3.8
60
35
50
50
18
65
30
2
2
1
1
0
9
-11.5
Max.
1.25
10.2
±15
100
1.7
3.5
2.0
4.1
65
20
85
55
75
40
1
3
3
3
Vrms
Unit
KΩ
KΩ
mV
KΩ
ms
ms
dB
μA
μA
dB
dB
dB
dB
dB
dB
dB
dB
dB
W
V
V
V
V
V
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