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參數(shù)資料
型號(hào): TS4982IQT
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 2 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC32
封裝: 5 X 5 MM, ROHS COMPLIANT, QFN-32
文件頁(yè)數(shù): 26/31頁(yè)
文件大小: 537K
代理商: TS4982IQT
Absolute maximum ratings and operating conditions
TS4982
4/31
Doc ID 14527 Rev 2
Table 2.
Operating conditions
Symbol
Parameter
Value
Unit
VCC
PVCCL
PVCCR
Common power supply voltage(1)
Left channel loudspeaker amplifier power supply
Right channel loudspeaker amplifier power supply
4.5 to 5.5
V
HPVCC
CPVCC
Headphone supply voltage(2)
Negative charge pump supply voltage
3 to VCC
V
RL
Load resistor
Speaker output
Headphone output
≥ 4
≥ 16
Ω
Toper
Operating free-air temperature range
-40 to +85
°C
VIH
High-level input voltage
3D0, 3D1, G0, G1, HDEN, SPKREN pin(3)
2.0
≤ VIH ≤ VCC
V
VIL
Low-level input voltage
3D0, 3D1, G0, G1, HDEN, SPKREN pin(3)
GND
≤ VIL ≤ 0.8
V
Rthja
Thermal resistance junction to ambient(4)
25
°C/W
1.
VCC, PVCCL and PVCCR must be shorted or at the same voltage.
2.
HPVCC and CPVCC must be shorted or at the same voltage.
3.
Any digital pins (3D0, 3D1, G0, G1, SPKREN, HDEN) must not be left floating.
4.
With 4-layer PCB.
Table 3.
Operating modes
SPKREN
HDEN
VSPKREN
VHDEN
Speaker amplifier
Headphone amplifier
00
VIL
ENABLED
DISABLED (standby)
01
VIL
VIH
ENABLED
10
VIH
VIL
DISABLED (standby)
11
VIH
DISABLED (standby)
ENABLED
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