TDA7464 Datasheet, PDF (3/21 Pages) STMicroelectronics – DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SRS SURROUND SOUND AND VOICE CANCELLER

THERMAL DATA
Symbol
Description
R_{th j-pins} Thermal Resistance Junction-pins
TDA7464
Ma x.
Value
85
Unit
°C/W
ABSOLUTE MAXIMUM RATINGS
Symbol
V_S
T _amb
T_stg
Parameter
Operating Supply Voltage
Operating Ambient Temperature
Storage Temperature Range
Value
Unit
11
V
-10 to 85
°C
-55 to +150
°C
QUICK REFERENCE DATA
Symbol
V_S
V_CL
THD
S/N
S_C
Parameter
Supply Voltage
Max. input signal handling
Total Harmonic Distortion V = 1Vrms f = 1KHz
Signal to Noise Ratio V out = 1Vrms (mode = OFF)
Channel Separation f = 1KHz
Input Attenuation Control (0.5dB)
Treble Control (2db step)
Middle Control (2db step)
Bass Control (2dB step)
Balance Control 1dB step (LCH, RCH)
Mute Attenuation
Min.
7
2
-31.5
-14
-14
-14
-79
Typ.
9
0.01
106
90
100
Max.
10.2
0.1
0
+14
+14
+14
0
Unit
V
Vrms
%
dB
dB
dB
dB
dB
dB
dB
dB
ELECTRICAL CHARACTERISTICS (refer to the test circuit Tamb = 25°C, VS = 9V, RL = 10KΩ,
Vin = 1Vrms; RG = 600Ω, all controls flat (G = 0dB), Effect Ctrl = -6dB, MODE = OFF; f = 1KHz
unless otherwise specified)
Symbol
SUPPLY
Parameter
Test Condition
Min. Typ. Max. Unit
V_S
I_S
SVR
Supply Voltage
Supply Current
Ripple Rejection
INPUT STAGE
RIN
Input Resistance
V_CL
Clipping Level
A_RANGE
A_VMIN
Attenuation Range
Min. Attenuation
A_VMAX
Max. Attenuation
ASTEP
Step Resolution
V_DC
DC Steps
A_VO1
Voice Canceller Output 1
A_VO2
Voice Canceller Output 2
LCH / RCH out, Mode = OFF
7
9
10.2
V
25
mA
60
80
dB
37.5
THD = 0.3%
2
-1
31
-1
Adjacent att. step
-3
L_IN = R_IN, R_IN = ON,
5
V_mix = 0V FIX, 0dB attenuation
L_IN = R_IN = 0V V_mix = 1V_rms FIX, -1
0dB attenuation
50
2.5
31.5
0
31.5
0.5
0
6
0
62.5 KΩ
Vrms
dB
1
dB
32
dB
1
dB
3
mV
7
dB
1
dB
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