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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 29/31頁 |
| 文件大小： | 537K |
| 代理商： | TS4982IQT |
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TS4982
Electrical characteristics
Doc ID 14527 Rev 2
7/31
3
Electrical characteristics
3.1
Electrical characteristics tables
Table 6.
General electrical characteristics, VCC =PVCC = HPVcc = CPVcc = 5V,
Tamb = 25° C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Current consumption, no load
Speaker mode, VSPKREN =VHDEN =GND
Headphone mode, VSPKREN =VHDEN =VCC
8
6
12
10
mA
ISTBY
Standby current consumption, no input signal
VHDEN =GND, VSPKREN =VCC,
15
A
Iin
Level input current
G0, G1, 3D0, 3D1, SPKREN, HDEN pins
1A
Zin
Input impedance
24
30
36
k
Ω
Table 7.
Loudspeaker amplifier, VCC =PVCCL,R =5V, VHDEN =VSPKREN =GND,
Cb =Cin =Cs=1
μF, V3D0 =V3D1 = GND, gain = 9 dB, Tamb =25° C
(unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
PO
Output power
THD+N = 1%, RL =4 Ω, f = 1 kHz
2
W
THD + N
Total harmonic distortion plus noise,
PO =1.5 W, RL =4 Ω, 20 Hz ≤F ≤20 kHz, BW = 22 Hz
to 22 kHz
0.08
-62
%
dB
Voo
Differential output offset voltage, no load, inputs AC
grounded, gain = 13.5 dB, V3D0 =V3D1 =VCC
-35
35
mV
Gain
G0 = G1 = VIL
G0 = VIH, G1 = VIL
G0 = VIL, G1 = VIH
G0 = G1 = VIH
9
10.5
12
13.5
dB
Gerr
Gain error
0.5
dB
PSRR
Speaker power supply rejection ratio(1)
RL = 4
Ω, Vripple =200 mVpp, F = 1 kHz
-75
dB
XT
Channel crosstalk
Po =1.5 W, RL =4
Ω, 20 Hz ≤F ≤20 kHz
-85
dB
Vn
Output noise voltage, A-weighted filter, RL =4 Ω
Gain = 9 dB, V3D0 = V3D1 =GND
Gain = 13.5 dB, V3D0 = V3D1 =VCC
17
87
Vrms
SNR
Signal to noise ratio, A-weighted filter, RL =4 Ω
Po = 2 W, THD+N = 1%, F = 1 kHz
103
dB
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TS4984 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2 x 1W Stereo audio power amplifier with active low standby mode |
| TS4984EIJT | 功能描述:音頻放大器 2x1.2W stereo audio RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TS4984EIKJT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2W Stereo Audio Power Amplifier with Active Low Standby Mode |
| TS4984FC | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2W Stereo Audio Power Amplifier with Active Low Standby Mode |
| TS4984IQT | 功能描述:音頻放大器 2x1W stereo audio Pwr amp RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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