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TEA7530DP bảng dữ liệu(PDF) 2 Page - STMicroelectronics

tên linh kiện TEA7530DP
Giải thích chi tiết về linh kiện  MONITOR AMPLIFIER
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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TEA7530DP bảng dữ liệu(HTML) 2 Page - STMicroelectronics

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FUNCTIONAL DESCRIPTION
TEA7530 performs the following functions:
The circuit amplifies the incoming signal and
feeds it to the loudspeaker.
♦ The Antidistortion system is incorporated for
low current available from line.
♦ The maximum power available on a 50Ω im-
pedance loudspeaker is 25mW at 3V and 100mW
at 5V.
PIN FUNCTION
N
°
Symbol
Description
1
GND
Ground
2
ADS
Antidistortion
3VLS
Supply
4
INP
Input Signal
5
LS1
Output Loudspeaker 1
6VREF
Internal Reference Voltage
7
LS2
Output Loudspeaker 2
8
ADJ
Adjust Internal Reference VLS
ELECTRICAL CHARACTERISTICS (Tamb =25
°C, ILS = 30mA unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VLS1
VLS1 Supply
ILS = 2mA (fig. 5)
ILS = 30mA (fig. 5)
2.7
3
3.15
3.3
3.4
V
V
VLSM
VLS Maximum
Ipin8 =40
µA (fig. 5; So = closed)
5.7
V
VADJ
Voltage Pin 8
ILS = 2 to 30mA (fig. 5
1.0
1.25
1.5
V
G
Loudspeaker Amplifier
Gain
=
V(5) V(7)
V(4
)
ILS = 30mA (fig. 6)
30
32
34
dB
THD
Distortion
f = 300Hz to 2KHz
V(5) -V(7) = 0.8Vrms; (fig. 6)
2%
ZINPIN
Earphone Input
(fig. 7)
2.1
2.8
3.5
K
VOFFS
Output Offset [V(5) -V(7)]
(fig. 6)
-80
80
mV
GATT
Loudspeaker Attenuated
Gain = [V(5) -V(7)]/ V(4)
V(2) = 0.7V; (fig. 8)
V(2) = 0.4V; (fig. 8)
20
-30
30
-20
dB
dB
PIN CONNECTION (top view)
TEA7530
2/11


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