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参数资料
| 型号： | TS4985EIJT |
| 厂商： | 意法半导体 |
| 英文描述： | 2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
| 中文描述： | 2x1.2w立体声音频功率放大器专用待机销 |
| 文件页数： | 4/29页 |
| 文件大小： | 1798K |
| 代理商： | TS4985EIJT |
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Electrical Characteristics
TS4985
4/29
3
Electrical Characteristics
Table 4.
V
CC
= +5V, GND = 0V, T
amb
= 25°C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
I
CC
Supply Current
No input signal, no load
7.4
12
mA
I
STANDBY
Standby Current
(1)
No input signal, Vstdby = G
ND
, RL = 8
1.
Standby mode is activated when Vstdby is tied to Gnd.
10
1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8
1
10
mV
Po
Output Power
THD = 1% Max, F = 1kHz, RL = 8
0.9
1.2
W
THD + N
Total Harmonic Distortion + Noise
Po = 1Wrms, Av = 2, 20Hz
≤
F
≤
20kHz, RL = 8
0.2
%
PSRR
Power Supply Rejection Ratio
(2)
RL = 8
,
Av = 2
,
Vripple = 200mVpp, Input Grounded
F = 217Hz
F = 1kHz
2.
All PSRR data limits are guaranteed by production sapling tests.
Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the sinusoidal signal superimposed upon
Vcc
55
55
62
64
dB
Crosstalk
Channel Separation, R
L
= 8
F = 1kHz
F = 20Hz to 20kHz
-107
-82
dB
T
WU
Wake-Up Time (Cb = 1μF)
90
130
ms
T
STDB
Standby Time (Cb = 1μF)
10
μs
V
STDBH
Standby Voltage Level High
1.3
V
V
STDBL
Standby Voltage Level Low
0.4
V
Φ
M
Phase Margin at Unity Gain
R
L
= 8
, C
L
= 500pF
65
Degrees
GM
Gain Margin
R
L
= 8
, C
L
= 500pF
15
dB
GBP
Gain Bandwidth Product
R
L
= 8
1.5
MHz
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| TS4985EIKJT | 2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
| TS4985EKIJT | 2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
| TS4990 | 1W AUDIO POWER AMPLIFIER WITH ACTIVE LOW STANDBY MODE |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TS4985EIKJT | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
| TS4985EKIJT | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
| TS4990 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:1W AUDIO POWER AMPLIFIER WITH ACTIVE LOW STANDBY MODE |
| TS4990_08 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:1.2 W audio power amplifier with active low standby mode |
| TS4990EIJT | 功能描述:音频放大器 1.2W audio Pwr amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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