参数资料
型号: TS4990EIJT
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 1.2 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9
封装: LEAD FREE, FCP-9
文件页数: 3/32页
文件大小: 714K
代理商: TS4990EIJT
TS4990
Electrical characteristics
11/32
Figure 20.
PSRR vs. DC output voltage
Figure 21.
PSRR vs. DC output voltage
-2.5 -2.0 -1.5 -1.0 -0.5
0.0
0.5
1.0
1.5
2.0
2.5
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 2.6V
Vripple = 200mVpp
RL = 8
Ω
Cb = 1
μF
AV = 2
Tamb = 25
°C
PSRR
(
d
B)
Differential DC Output Voltage (V)
-2.5 -2.0 -1.5 -1.0 -0.5
0.0
0.5
1.0
1.5
2.0
2.5
-50
-40
-30
-20
-10
0
Vcc = 2.6V
Vripple = 200mVpp
RL = 8
Ω
Cb = 1
μF
AV = 10
Tamb = 25
°C
PSRR
(
d
B)
Differential DC Output Voltage (V)
Figure 22.
Output power vs. power supply
voltage
Figure 23.
PSRR vs. DC output voltage
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
THD+N=10%
RL = 4
Ω
F = 1kHz
BW < 125kHz
Tamb = 25
°C
THD+N=1%
Out
put
power
(
W
)
Vcc (V)
-2.5 -2.0 -1.5 -1.0 -0.5
0.0
0.5
1.0
1.5
2.0
2.5
-60
-50
-40
-30
-20
-10
0
Vcc = 2.6V
Vripple = 200mVpp
RL = 8
Ω
Cb = 1
μF
AV = 5
Tamb = 25
°C
PSRR
(
d
B)
Differential DC Output Voltage (V)
Figure 24.
PSRR at F = 217 Hz vs.
bypass capacitor
Figure 25.
Output power vs. power supply
voltage
0.1
1
-80
-70
-60
-50
-40
-30
Av=10
Vcc:
2.6V
3.3V
5V
Av=5
Vcc:
2.6V
3.3V
5V
Av=2
Vcc:
2.6V
3.3V
5V
Tamb=25
°C
PSRR
at
217Hz
(
d
B)
Bypass Capacitor Cb ( F)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
THD+N=10%
RL = 8
Ω
F = 1kHz
BW < 125kHz
Tamb = 25
°C
THD+N=1%
Out
put
power
(
W
)
Vcc (V)
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相关代理商/技术参数
参数描述
TS4990EIKJT 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
TS4990EKIJT 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
TS4990ID 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
TS4990IDT 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
TS4990IJT 制造商:ST 功能描述:1W AUDIO POWER AMPLIFIER WITH ACTIVE LOW STANDBY MODE