TDA7348 Datasheet, PDF (5/14 Pages) STMicroelectronics – DIGITALLY CONTROLLED AUDIO PROCESSOR

TDA7348
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
BASS CONTROL
B_BOOST
B_CUT
Max Bass Boost
Max Bass Cut
Astep
Rg
Step Resolution
Internal Feedback Resistance
TREBLE CONTROL
C_RANGE Control Range
A_step
Step Resolution
SPEAKER ATTENUATORS
C_RANGE Control Range
A_step
Step Resolution
AMUTE Output Mute Attenuation
EA
Attenuation Set Error
V_DC
DC Steps
AUDIO OUTPUT
V_clip
Clipping Level
RL
Output Load Resistance
R_O
Output Impedance
VDC
DC Voltage Level
GENERAL
VCC
Supply Voltage
ICC
Supply Current
PSRR Power Supply Rejection Ratio
e_NO
Output Noise
Et
Total Tracking Error
S/N
Signal to Noise Ratio
SC
Channel Separation
d
Distortion
BUS INPUTS
VIL
Input Low Voltage
V_lN
Input High Voltage
IlN
Input Current
V_O
Output Voltage SDA
Acknowledge
Test Condition
Min.
15
-8.5
1
45
±13
1
35
0.5
Data Word = XXX11111
80
Adjacent Attenuation Steps
d = 0.3%
2.1
2
3.5
6
f = 1KHz
60
B = 20 to 20kHz ”A” weighted
Output Muted (B = 20 to 20kHz flat)
All Gains 0dB (B = 20 to 20kHz flat)
AV = 0 to -20dB
A_V = -20 to -60dB
All Gains = 0dB; V_O = 1V_rms
80
VIN = 1V
3
VIN = 0.4V
-5
I_O = 1.6mA
Note 1: WIN represents the MUTE programming bit pair D6, D5 for the zero crossing window threshold
Note 2: Internal pullup resistor to Vs/2; ”LOW” = softmute active
r
Typ.
18
-10
2
65
±14
2
37.5
1.25
100
0
2.6
30
3.8
9
10
80
65
2.5
5
0
0
106
100
0.01
0.4
Max. Unit
20
dB
-11.5 dB
3
dB
85
KΩ
±15
dB
3
dB
40
dB
2.0
dB
dB
1.25 dB
3
mV
Vrms
KΩ
100
Ω
4.1
V
10.2
V
15
mA
dB
dB
µV
15
µV
1
dB
2
dB
dB
dB
0.08
%
1
V
V
5
µA
0.8
V
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