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参数资料
| 型号： | TS4972 |
| 厂商： | 意法半导体 |
| 英文描述： | 1.2W AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE HIGH |
| 中文描述： | 为1.2W音频功率放大器，具有活性高备用模式 |
| 文件页数： | 3/28页 |
| 文件大小： | 904K |
| 代理商： | TS4972 |
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TS4972
3/28
ELECTRICAL CHARACTERISTICS
V
CC
=
+5V
, GND =
0V
, T
amb
= 25°C (unless otherwise specified)
V
CC
=
+3.3V
, GND =
0V
, T
amb
= 25°C (unless otherwise specified)
3)
Symbol
Parameter
Min.
Typ.
Max.
Unit
I
CC
Supply Current
No input signal, no load
6
8
mA
I
STANDBY
Standby Current
1)
No input signal, Vstdby = Vcc, RL = 8
1. Standby mode is actived when Vstdby is tied to Vcc
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is an added sinus signal to Vcc @ f = 217Hz
10
1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8
5
20
mV
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8
1.2
W
THD + N
Total Harmonic Distortion + Noise
Po = 250mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8
0.1
%
PSRR
Power Supply Rejection Ratio
2)
f = 217Hz, RL = 8
,
RFeed = 22K
,
Vripple = 200mV rms
75
dB
Φ
M
Phase Margin at Unity Gain
R
L
= 8
, C
L
= 500pF
70
Degrees
GM
Gain Margin
R
L
= 8
, C
L
= 500pF
20
dB
GBP
Gain Bandwidth Product
R
L
= 8
2
MHz
Symbol
Parameter
Min.
Typ.
Max.
Unit
I
CC
Supply Current
No input signal, no load
5.5
8
mA
I
STANDBY
Standby Current
1)
No input signal, Vstdby = Vcc, RL = 8
1. Standby mode is actived when Vstdby is tied to Vcc
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is an added sinus signal to Vcc @ f = 217Hz
3. All electrical values are made by correlation between 2.6V and 5V measurements
10
1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8
5
20
mV
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8
500
mW
THD + N
Total Harmonic Distortion + Noise
Po = 250mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8
0.1
%
PSRR
Power Supply Rejection Ratio
2)
f = 217Hz, RL = 8
,
RFeed = 22K
,
Vripple = 200mV rms
75
dB
Φ
M
Phase Margin at Unity Gain
R
L
= 8
, C
L
= 500pF
70
Degrees
GM
Gain Margin
R
L
= 8
, C
L
= 500pF
20
dB
GBP
Gain Bandwidth Product
R
L
= 8
2
MHz
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TS4972_04 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:1.2W Audio Power Amplifier with Standby Mode Active High |
| TS4972EIJT | 功能描述:音频放大器 1.2W audio power amp W/Standby 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 |
| TS4972EIJT1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:1.2W Audio Power Amplifier with Standby Mode Active High |
| TS4972IJT | 制造商:STMicroelectronics 功能描述: |
| TS4972JT | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:1.2W AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE HIGH |
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