參數(shù)資料
型號(hào)： TS4890IS
廠商： STMICROELECTRONICS
元件分類： 音頻／視頻放大
英文描述： 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝： MICRO, PLASTIC, SO-8
文件頁(yè)數(shù)： 23/31頁(yè)
文件大小： 432K
代理商： TS4890IS
TS4890
3/31
ELECTRICAL CHARACTERISTICS
V
CC = +5V, GND = 0V,Tamb =25°C (unless otherwise specified)
V
CC = +3.3V, GND = 0V,Tamb =25°C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
I
CC
Supply Current
No input signal, no load
68
mA
I
STANDBY
Standby Current 1)
No input signal, Vstdby = GND,RL = 8
1. Standby mode is actived when Vstdby is tied to GND
10
1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8
520
mV
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8
1W
THD + N
Total Harmonic Distortion + Noise
Po = 250mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8
0.15
%
PSRR
Power Supply Rejection Ratio2)
f = 217Hz, RL = 8
, RFeed = 22K, Vripple = 200mV rms
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the surimposed sinus signal to Vcc @ f = 217Hz
77
dB
Φ
M
Phase Margin at Unity Gain
RL =8,CL = 500pF
70
Degrees
GM
Gain Margin
RL =8,CL = 500pF
20
dB
GBP
Gain Bandwidth Product
RL =8
2MHz
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Supply Current
No input signal, no load
5.5
8
mA
I
STANDBY
Standby Current 1)
No input signal, Vstdby = GND,RL= 8
1. Standby mode is actived when Vstdby is tied to GND
10
1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8
520
mV
Po
Output Power
THD = 1% Max, f = 1kHz, RL = 8
450
mW
THD + N
Total Harmonic Distortion + Noise
Po = 250mW rms, Gv = 2, 20Hz < f < 20kHz, RL = 8
0.15
%
PSRR
Power Supply Rejection Ratio2)
f = 217Hz, RL = 8
, RFeed = 22K, Vripple = 200mV rms
2. Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the surimposed sinus signal to Vcc @ f = 217Hz
77
dB
Φ
M
Phase Margin at Unity Gain
RL =8,CL = 500pF
70
Degrees
GM
Gain Margin
RL =8,CL = 500pF
20
dB
GBP
Gain Bandwidth Product
RL =8
2MHz
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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TS489IQT 功能描述:音頻放大器 100mW Stereo Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TS489IST 功能描述:音頻放大器 Popfree 100mW stereo headphone amp RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TS4900 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:300mW at 3.3V SUPPLY AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE HIGH
TS4900ID 功能描述:音頻放大器 300mW Audio Pwr Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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