TDA7309 Datasheet, PDF (3/12 Pages) STMicroelectronics – DIGITAL CONTROLLED STEREO AUDIO PROCESSOR WITH LOUDNESS

TDA7309
THERMAL DATA
Symbol
R_{th j-pins}
Parameter
Thermal resistance Junction to Pins
SO20
150
DIP20
100
Unit
°C/W
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, T_amb = 25°C, V_S = 9V, R_L = 10KΩ,
RG = 50Ω, all controls flat (G = 0), f = 1KHz unless otherwise specified.)
Symbol
Parameter
SUPPLY
V_S
I_S
SVR
Supply Voltage
Supply Current
Ripple Rejection
INPUT SELECTORS
R_I
Input Resistance
S_in
Input Separation
VOLUME CONTROL
C_RANGE
A_VMAX
A_STEP
E_A
Control Range
Max. Attenuation
Step resolution
Attenuation Set Error
E_T
Tracking Error
VDC
DC Steps
A_mute
Output Mute Attenuation
SOFT MUTE
T_d
Delay Time
AUDIO OUTPUTS
Test Condition
Min. Typ. Max. Unit
5 (*)
9
7
60
85
10
V
10
mA
dB
35
50
65
KΩ
80
90
dB
A_V = 0 to -24dB
A_V = -24 to -56dB
adjacent attenuation steps
from 0dB to A_V max.
92
dB
87
92
95
dB
0.5
1
1.5
dB
-1.2
1.2
dB
-3
2
dB
2
dB
0
3
mV
0.5
5
mV
80
100
dB
C_smute = 22nF 0 to –20dB
Fast Mode
1
ms
Slow Mode
20
ms
V_CLIP
R_L
R_out
VDC
GENERAL
Clipping Level
Output Load Resistance
Output Impedance
DC Voltage Level
d = 0.3%
eNO
Output Noise
Et
Total Tracking Error
S/N
Signal to Noise Ratio
d
Distortion
S_C
Channel Separation
BUS INPUTS
V_IL
Input Low Voltage
V_IH
Input High Voltage
I_IN
Input Current
V_O
Output Voltage SDA
Acknowledge
BW = 20-20KHz, flat
output muted
all gains = 0dB
A curve all gains = 0dB
A_V = 0 to –24dB
A_V = -24 to –56dB
all gains = 0dB; V_O = 1Vrms
V_in = 0.4V
I_O = 1.6mA
(*) Hedevice work until 5V but no guarantee about SVR
2
2.6
Vrms
2
KΩ
100 200 300
Ω
3.8
V
2.5
µV
5
15
µV
3
µV
0
1
dB
0
2
dB
95
106
dB
0.01 0.1
%
80
100
dB
1
V
3
V
-5
+5
µA
0.4
0.8
V
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