參數(shù)資料
型號(hào)： TS4994
廠商： 意法半導(dǎo)體
英文描述： 1W Differential Input/Output Audio Power Amplifier with Selectable Standby
中文描述： 1W的差分輸入/輸出音頻功率放大器可選擇待機(jī)
文件頁(yè)數(shù)： 4/31頁(yè)
文件大?。?/td> 762K
代理商： TS4994
TS4994
Electrical Characteristics
4/31
3 Electrical Characteristics
Table 3.
Electrical characteristics - 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
4
7
mA
I
STANDBY
Standby Current
No input signal, Vstdby = V
SM
= G
ND
, RL = 8
No input signal, Vstdby = V
SM
= V
CC
, RL = 8
10
1000
nA
Voo
Differential Output Offset Voltage
No input signal, RL = 8
0.1
10
mV
V
ICM
Input Common Mode Voltage
CMRR
≤
-60dB
0.6
V
CC
- 0.9
V
Po
Output Power
THD = 1% Max, F= 1kHz, RL = 8
0.8
1
W
THD + N
Total Harmonic Distortion + Noise
Po = 850mW rms, Av = 1, 20Hz
≤
F
≤
20kHz, RL = 8
0.5
%
PSRR
IG
Power Supply Rejection Ratio with Inputs Grounded
1
F = 217Hz, R = 8
,
Av = 1,
C
in
= 4.7
μ
F,
C
b
=1
μ
F
Vripple = 200mV
PP
1)
Dynamic measurements - 20*log(rms(Vout)/rms (Vripple)). Vripple is the super-imposed sinus signal relative to Vcc.
100
dB
CMRR
Common Mode Rejection Ratio
F = 217Hz, RL = 8
,
Av = 1,
C
in
= 4.7
μ
F,
C
b
=1
μ
F
Vic = 200mV
PP
90
dB
SNR
Signal-to-Noise Ratio (A Weighted Filter, A
v
= 2.5)
(R
L
= 8
,
THD +N < 0.7%, 20Hz
≤
F
≤
20kHz)
100
dB
GBP
Gain Bandwidth Product
R
L
= 8
2
MHz
V
N
Output Voltage Noise, 20Hz
≤
F
≤
20kHz, R
L
= 8
Unweighted, Av = 1
A weighted, Av = 1
Unweighted, Av = 2.5
A weighted, Av = 2.5
Unweighted, Av = 7.5
A weighted, Av = 7.5
Unweighted, Standby
A weighted, Standby
6
5.5
12
10.5
33
28
1.5
1
μ
V
RMS
T
WU
Wake-Up Time
2
C
b
=1
μ
F
2)
Transition time from standby mode to fully operational amplifier.
15
ms
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TS4994_06 制造商:TI 制造商全稱:Texas Instruments 功能描述:1W differential input/output audio power amplifier with selectable standby
TS4994EIJT 功能描述:音頻放大器 1.2W input/output Diff 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
TS4994EIKJT 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2 W differential input/output audio power amplifier with selectable standby
TS4994FC 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2 W differential input/output audio power amplifier with selectable standby
TS4994IJT 功能描述:音頻放大器 STANDARD LINEAR 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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