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TDA7309 Datasheet(PDF) 3 Page - STMicroelectronics

Part No. TDA7309
Description  DIGITAL CONTROLLED STEREO AUDIO PROCESSOR WITH LOUDNESS
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7309 Datasheet(HTML) 3 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Tamb =25
°C, VS = 9V, RL = 10KΩ,
RG =50
Ω, all controls flat (G = 0), f = 1KHz unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SUPPLY
VS
Supply Voltage
5 (*)
9
10
V
IS
Supply Current
7
10
mA
SVR
Ripple Rejection
60
85
dB
INPUT SELECTORS
RI
Input Resistance
35
50
65
K
Sin
Input Separation
80
90
dB
VOLUME CONTROL
CRANGE
Control Range
92
dB
AVMAX
Max. Attenuation
87
92
95
dB
ASTEP
Step resolution
0.5
1
1.5
dB
EA
Attenuation Set Error
AV = 0 to -24dB
-1.2
1.2
dB
AV = -24 to -56dB
-3
2
dB
ET
Tracking Error
2dB
VDC
DC Steps
adjacent attenuation steps
0
3
mV
from 0dB to AV max.
0.5
5
mV
Amute
Output Mute Attenuation
80
100
dB
SOFT MUTE
Td
Delay Time
Csmute = 22nF 0 to –20dB
Fast Mode
Slow Mode
1
20
ms
ms
AUDIO OUTPUTS
VCLIP
Clipping Level
d = 0.3%
2
2.6
Vrms
RL
Output Load Resistance
2
K
Rout
Output Impedance
100
200
300
VDC
DC Voltage Level
3.8
V
GENERAL
eNO
Output Noise
BW = 20-20KHz, flat
output muted
all gains = 0dB
2.5
515
µV
µV
A curve all gains = 0dB
3
µV
Et
Total Tracking Error
AV = 0 to –24dB
AV = -24 to –56dB
0
0
1
2
dB
dB
S/N
Signal to Noise Ratio
all gains = 0dB; VO = 1Vrms
95
106
dB
d
Distortion
0.01
0.1
%
SC
Channel Separation
80
100
dB
BUS INPUTS
VIL
Input Low Voltage
1V
VIH
Input High Voltage
3
V
IIN
Input Current
Vin = 0.4V
-5
+5
µA
VO
Output Voltage SDA
Acknowledge
IO = 1.6mA
0.4
0.8
V
(*) Hedevice work until 5V but no guarantee about SVR
THERMAL DATA
Symbol
Parameter
SO20
DIP20
Unit
Rth j-pins
Thermal resistance Junction to Pins
150
100
°C/W
TDA7309
3/12


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