TDA7318 Datasheet, PDF (4/14 Pages) STMicroelectronics – DIGITAL CONTROLLED STEREO AUDIO PROCESSOR

TDA7318
ELECTRICAL CHARACTERISTICS (refer to the test circuit Tamb = 25°C, VS = 9V, RL = 10KΩ,
RG = 600Ω, all controls flat (G = 0), f = 1KHz unless otherwise specified)
Symbol
SUPPLY
Parameter
Test Condition
Min. Typ. Max.
V_S
IS
SVR
Supply Voltage
Supply Current
Ripple Rejection
INPUT SELECTORS
6
9
10
4
8
11
60
85
R_II
V_CL
SIN
R_L
G_INmin
G_INmax
G_STEP
e_IN
V_DC
Input Resistance
Clipping Level
Input Separation (2)
Output Load resistance
Min. Input Gain
Max. Input Gain
Step Resolution
Input Noise
DC Steps
VOLUME CONTROL
Input 1, 2, 3, 4
pin 7, 17
G = 18.75dB
adjacent gain steps
G = 18.75 to Mute
35
50
70
2
2.5
80
100
2
-1
0
1
17 18.75 20
5
6.25 7.5
2
4
20
4
R_IV
C_RANGE
A_VMIN
AVMAX
A_STEP
E_A
Input Resistance
Control Range
Min. Attenuation
Max. Attenuation
Step Resolution
Attenuation Set Error
E_T
Tracking Error
V_DC
DC Steps
SPEAKER ATTENUATORS
Av = 0 to -20dB
Av = -20 to -60dB
adjacent attenuation steps
From 0dB to Av max
20
33
50
70
75
80
-1
0
1
70
75
80
0.5 1.25 1.75
-1.25
0
1.25
-3
2
2
0
3
0.5
7.5
C_range
S_STEP
E_A
A_MUTE
VDC
Control Range
Step Resolution
Attenuation set error
Output Mute Attenuation
DC Steps
BASS CONTROL (1)
adjacent att. steps
from 0 to mute
35 37.5 40
0.5 1.25 1.75
1.5
80
100
0
3
1
10
Gb
Control Range
B_STEP
Step Resolution
RB
Internal Feedback Resistance
TREBLE CONTROL (1)
Max. Boost/cut
+12 +14 +16
1
2
3
34
44
58
Gt
T_STEP
Control Range
Step Resolution
Max. Boost/cut
+13 +14 +15
1
2
3
Unit
V
mA
dB
KΩ
Vrms
dB
KΩ
dB
dB
dB
µV
mV
mV
kΩ
dB
dB
dB
dB
dB
dB
dB
mV
mV
dB
dB
dB
dB
mV
mV
dB
dB
KΩ
dB
dB
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