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參數(shù)資料
| 型號(hào)： | TS4973EIJT |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.2 W, 1 CHANNEL, AUDIO AMPLIFIER, BGA9 |
| 封裝： | LEAD FREE, FCP-9 |
| 文件頁數(shù)： | 12/19頁 |
| 文件大?。?/td> | 721K |
| 代理商： | TS4973EIJT |
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TS4973
Application Schematic
2/19
1
Application Schematic
Figure 1: Typical application schematic
Table 1: Absolute maximum ratings
Symbol
Parameter
Value
Unit
VCC
Supply voltage 1
1)
All voltages values are measured with respect to the ground pin.
6V
Vi
Input Voltage 2
2)
The magnitude of input signal must never exceed VCC + 0.3V / GND - 0.3V
GND to VCC
V
Toper
Operating Free Air Temperature Range
-40 to + 85
°C
Tstg
Storage Temperature
-65 to +150
°C
Tj
Maximum Junction Temperature
150
°C
Rthja
Thermal Resistance Junction to Ambient 3
3)
Device is protected in case of over temperature by a thermal shutdown active @ 150°C.
200
°C/W
Pd
Power Dissipation
Internally Limited 4
4)
Exceeding the power derating curves during a long period, may involve abnormal operating condition.
ESD
Human Body Model 5
5)
Minimum value. Human body model, 100pF discharged through a 1.5kOhm resistor, into pin to Vcc device.
1kV
ESD
Machine Model (min. Value)
200
V
Latch-up Latch-up Immunity
200
mA
Lead Temperature (soldering, 10sec)
250
°C
Table 2: Operating conditions
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
2.8 to 5.5
V
VSTB
Standby Voltage Input:
Device ON
Device OFF
1.5
≤ V
STB ≤ VCC
GND
≤ V
STB ≤ 0.4
V
VGS
Gain Setting Voltage Input:
External Gain (In1 Input)
Internal Gain (In2 Input)
1.5
≤ V
STB ≤ VCC
GND
≤ V
STB ≤ 0.4
V
RL
Load Resistor
≥ 4
Rthja
Thermal Resistance Junction to Ambient 1
1)
With Heat Sink Surface = 125mm2
90
°C/W
Cb
Cin1 Rin
RL
8 Ohms
Cs
Inputs
Audio
VCC
Bias
AV = -1
In1
In2
Bypass
Standby
VC
C
GN
D
Vout 1
Vout 2
+
-
+
-
1
3
6
8
2
5
7
4
9
Gain Setting
TS4973
Cin2
Standby level
threshold = 0.9V
Gain Setting level
threshold = 0.9V
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