參數(shù)資料
型號： TDA7491LP
廠商： STMICROELECTRONICS
元件分類： 音頻／視頻放大
英文描述： 5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
封裝： ROHS COMPLIANT, SSOP-36
文件頁數(shù)： 2/34頁
文件大?。?/td> 882K
代理商： TDA7491LP
Electrical specifications
TDA7491LP
10/34
Doc ID 13541 Rev 4
VUVP
Undervoltage protection
threshold
-
--4
V
RdsON
Power transistor on resistance
High side
-
0.2
-
Low side
-
0.2
-
Po
Output power
THD = 10%
-
5
-
W
THD = 1%
-
4
-
Po
Output power
RL = 4 , THD = 10%
VCC =6.6 V
-5
-
W
RL = 4 , THD = 1%
VCC = 6.6 V
-4
-
PD
Dissipated power
Po = 5 W + 5 W,
THD = 10%
-1.0
-W
η
Efficiency
Po = 5 W + 5 W
80
90
-
%
THD
Total harmonic distortion
Po = 1 W
-
0.1
0.2
%
GV
Closed loop gain
GAIN0 = L, GAIN1 = L
18
20
22
dB
GAIN0 = L, GAIN1 = H
24
26
28
GAIN0 = H, GAIN1 = L
28
30
32
GAIN0 = H, GAIN1 = H
30
32
34
GV
Gain matching
-
-1
-
1
dB
CT
Cross talk
f = 1 kHz
-
50
-
dB
eN
Total input noise
A Curve, GV = 20 dB
-
20
-
V
f = 22 Hz to 22 kHz
-
25
35
SVRR
Supply voltage rejection ratio
fr = 100 Hz, Vr = 0.5 V,
CSVR = 10 F
40
50
-
dB
Tr, Tf
Rise and fall times
-
50
-
ns
fSW
Switching frequency
Internal oscillator
290
310
330
kHz
fSWR
Output switching frequency
With internal oscillator (1)
250
-
kHz
With external oscillator (2) 250
-
VinH
Digital input high (H)
-
2.5
-
V
VinL
Digital input low (L)
-
0.8
AMUTE
Mute attenuation
VMUTE = 1 V
60
80
-
dB
Function
mode
Standby, mute and play modes
VSTBY < 0.5 V, VMUTE = X Standby
-
VSTBY > 2.5 V,
VMUTE < 0.8 V
Mute
-
VSTBY > 2.5 V,
VMUTE > 2.5 V
Play
-
1.
fSW = 10
6 / ((16 * R
OSC + 182) * 4) kHz, fSYNCLK = 2 * fSW with R3 = 39 k (see Figure 35.).
2.
fSW = fSYNCLK / 2 with the frequency of the external oscillator.
Table 5.
Electrical specifications (continued)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA7491LP13TR 功能描述:音頻放大器 20W Dual BTL Class D 18V VCC Audio 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
TDA7491MV 功能描述:音頻放大器 25W Mono BTL Class-D 4-Select dB 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
TDA7491MV13TR 功能描述:音頻放大器 25W Mono BTL Class-D 4-Select dB 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
TDA7491P 功能描述:音頻放大器 20W Dual BTL Class D 18V VCC Audio 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
TDA7491P13TR 功能描述:音頻放大器 20W Dual BTL Class D 18V VCC Audio 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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