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TDA7300 Datasheet(PDF) 3 Page - STMicroelectronics

Part No. TDA7300
Description  DIGITAL CONTROLLED STEREO AUDIO PROCESSOR
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7300 Datasheet(HTML) 3 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VOLUME CONTROLS
Control Range
78
dB
Gmax
Max Gain
8
10
12
dB
Max Attenuation
64
68
dB
Step Resolution
GV = -50 to 10dB
2
3
dB
Attenuator Set Error
2
dB
Tracking Error
2dB
SPEAKER ATTENUATORS
Control Range
35
38
41
dB
Step Resolution
2
3
dB
Attenuator Set Error
2
dB
Tracking Error
2dB
BASS AND TREBLE CONTROL (3)
Control Range
±15
dB
Step Resolution
2.5
3.5
dB
AUDIO OUTPUT
VO
Max. Output Voltage
d = 0.3%
1.5
2.2
Vrms
RL
Output Load Resistance
2
K
CL
Output Load Capacitance
1
nF
RO
Output Resistance
70
150
VO(DC)
DC Voltage Level
3
3.8
4.5
V
GENERAL
eNO
Output Noise
BW = 22Hz to 22KHz, Gv = 0dB
6
15
µV
Curve A
Gv = 0dB
4
S/N
Signal to Noise Ratio
All gain = 0dB VO = 1Vrms
BW = 22Hz to 22KHz
105
dB
d
Distortion
f = 1KHz; VO = 1V; Gv = 0
0.01
0.1
%
Frequency Response (-1dB)
Gv = 0
High
Low
20
20
KHz
Hz
SC
Channnel Separation left/right
f = 1KHz
f = 10KHz
90
70
100
80
dB
dB
BUS INPUTS
VIL
Input LOW Voltage
0.8
V
VIH
Input HIGH Voltage
2.4
V
VO
Output Voltage SDA Acknowledge
I = 1.6mA
0.4
V
Digital Input Current
-5
+5
µA
Notes:
(1) The circuit can be supplied either at VS1 or without the use of the internal voltage regulator at VS2 . The circuit also operates at a supply
voltage VS1 lower than 10V. In this case the ripple rejection of VS2 is valid, because the voltage regulator saturates to a saturation voltage
of about 0.8V.
(2) The selected input is grounded thru the 2.2
µF capacitor.
(3) Bass and Treble response see attached diagram. The center frequency and quality of the resonance behaviour can be choosen by the
external circuitry. A standard first order bass response can be realized by a standard feedback network.
TDA7300
3/16


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