TDA7348 STMicroelectronics, TDA7348 Datasheet - Page 6

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

Specifications of TDA7348

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

Electrical characteristics
2
6/20
Electrical characteristics
Table 1.
Input selector
Volume control (1 + 2)
Zero crossing mute
Symbol
A
A
G
A
G
G
A
G
STEPC
V
STEPF
V
V
V
V
MUTE
I MAX
R
E
I MIN
e
R
R
MAX
S
MAX
E
step
DC
DC
DC
TH
CL
N
A
L
I
t
I
I
Input resistance
Clipping level
Input separation
Output load resistance
Minimum input gain
Maximum input gain
Step resolution
Input noise
DC steps
Input resistance
Maximum gain
Maximum attenuation
Step resolution coarse
attenuation
Step resolution fine
attenuation
Attenuation set error
Tracking error
DC steps
Zero crossing threshold
Mute attenuation
DC step
Electrical characteristics
V
0dB); f = 1KHz. Refer to the test circuit, unless otherwise specified.
S
= 9V; R
Parameter
L
= 10KΩ; Rg = 50Ω; T
d ≤ 0.3%
20Hz to 20 KHz unweighted
Adiacent gain steps
G
G = 20 to -20dB
G = -20 to -58dB
Adiacent attenuation steps
From 0dB to A
WIN = 11
WIN = 10
WIN = 01
WIN = 00
0dB to Mute
IMIN
to G
Test Condition
amb
IMAX
= 25°C; all controls flat (G = 0.3dB step
MAX
10.25 11.25 12.25
18.75
-0.75
-1.25
Min.
2.75
0.11
2.1
0.5
70
80
35
80
-3
-3
2
78.45
Typ.
3.75
1.25
0.31
100
100
160
100
2.6
2.3
1.5
0.5
50
20
20
40
80
0
0
3
0
0
21.25
Max.
0.75
4.75
0.51
1.25
130
2.0
10
2
2
3
5
3
TDA7348
V
Unit
KΩ
KΩ
mV
mV
KΩ
mV
mV
mV
mV
mV
mV
mV
dB
dB
dB
dB
μV
dB
dB
dB
dB
dB
dB
dB
dB
RMS