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): 34/34頁
文件大?。?/td> 882K
代理商: TDA7491LP
TDA7491LP
Electrical specifications
Doc ID 13541 Rev 4
9/34
3
Electrical specifications
3.1
Absolute maximum ratings
3.2
Thermal data
3.3
Electrical specifications
Unless otherwise stated, the results in Table 5 below are given for the conditions: VCC =9V,
RL (load) = 8 , ROSC = R3 = 39 k, C8 = 100 nF, f = 1 kHz, GV = 20 dB, and Tamb = 25 °C.
Table 3.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
VCC
DC supply voltage for pins PVCCA, PVCCB, SVCC
18
V
Top
Operating temperature
0 to 70
°C
Tj
Junction temperature
-40 to 150
°C
Tstg
Storage temperature
-40 to 150
°C
Table 4.
Thermal data
Symbol
Parameter
Min
Typ
Max
Unit
Rth j-case Thermal resistance, junction to case
-
2
3
°C/W
Rth j-amb
Thermal resistance, junction to ambient
(mounted on recommended PCB)(1)
1.
FR4 with vias to copper area of 9 cm2 (see also Section 7.9: Heatsink requirements on page 32).
-24
-
Table 5.
Electrical specifications
Symbol
Parameter
Condition
Min
Typ
Max
Unit
VCC
Supply voltage for
pins PVCCA, PVCCB, SVCC
-5
-
14
V
Iq
Total quiescent current
Without LC filter
-
26
35
mA
IqSTBY
Quiescent current in standby
-
2.5
5.0
A
VOS
Output offset voltage
Play mode
-150
-
150
mV
VOS
Output offset voltage
Mute mode
-60
-
60
mV
IOCP
Overcurrent protection threshold
RL = 0
33.5
-
A
Tj
Junction temperature at thermal
shutdown
-
150
-
°C
Ri
Input resistance
Differential input
55
60
-
k
VOVP
Overvoltage protection threshold -
18.5
-
V
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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