TDA7311 Datasheet, PDF (4/11 Pages) STMicroelectronics – SERIAL BUS CONTROLLED AUDIO PROCESSOR

TDA7311
ELECTRICAL CHARACTERISTICS (T_amb = 25°C, V_CC = 10V, R_L = 10KΩ, R_G = 600Ω, G_V=0dB,
f = 1KHz unless otherwise specified) (refer to the test circuit)
Symbol
SUPPLY
Parameter
Test Condition
Min. Typ. Max. Unit
V_S
I_S
SVR
Supply Voltage
Supply Current
Ripple Rejection
INPUT SELECTORS
8
10
11
V
15
20
mA
55
80
dB
R_II
Input Resistance
V_CL
Clipping Level
CMRR
INS
R_L
C_L
R_O
G_IN
Common Mode Rejection
Input Separation (2)
Output Load resistance
Output Load capacitance
Output Impedance
Input Gain
VOLUME CONTROL
Single Ended inputs
Differential Inputs
Single Ended Inputs
Differential Inputs
Differential Inputs
Single Ended Inputs
differential Inputs
30
50
70
KΩ
10
20
KΩ
2.3
2.8
Vrms
4.6
5.6
Vrms
65
dB
70
90
dB
2
KΩ
1
nF
15
50
Ω
-1
0
1
dB
-7
-6
-5
dB
R_IN
Input Resistance
G_R
Control Range
A_STEP
E_A
Step Resolution
Attenuation Set Error
E_T
Tracking Error
V_DC
DC Steps
Vimax. Max. Input Voltage
SPEAKER ATTENUATORS
Max. Attenuation
Max. Gain
A_V = +11.25 to -20dB
A_V = -20 to -60dB
adjacent attenuation steps
From 0dB to A_Vmax
15
30
– 75
+11.25
1.25
-1.25
0
1.25
-3
2
2
0
3.0
1
10.0
2.3
2.8
kΩ
dB
dB
dB
dB
dB
dB
mV
mV
Vrms
A_R
A_step
E_A
V_DC
Control Range
Step Resolution
Attenuation set error
DC Steps
BASS CONTROL (1)
adjacent att. steps
from 0 to mute
37.5
dB
1.25
dB
1.5
dB
0
mV
1
mV
Control Range
Step Resolution
Attenuation / Gain set error
TREBLE CONTROL (1)
+20
dB
2
dB
–2.0
2.0
dB
Control Range
Step Resolution
Attenuation / Gain set error
+14
dB
2.0
dB
–1.0
0
1.0
dB
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