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TDA7491LP13TR 数据表(PDF) 10 Page - STMicroelectronics

部件名 TDA7491LP13TR
功能描述  2 x 5-watt dual BTL class-D audio amplifier
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7491LP13TR 数据表(HTML) 10 Page - STMicroelectronics

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Electrical specifications
TDA7491LP
10/37
Doc ID 13541 Rev 5
3.3
Electrical specifications
Unless otherwise stated, the results in Table 5 below are given for the conditions: VCC =9V,
RL (load) = 8Ω, ROSC = R3 = 39 kΩ, C8 = 100 nF, f = 1 kHz, GV = 20 dB, and Tamb =25°C.
Table 5.
Electrical specifications
Symbol
Parameter
Condition
Min
Typ
Max
Unit
VCC
Supply voltage
-
5
-
14
V
Iq
Total quiescent current
Without LC filter
-
26
35
mA
IqSTBY
Quiescent current in standby
-
-
-
10
µA
VOS
Output offset voltage
Play mode
-100
-
100
mV
Mute mode
-60
-
60
mV
IOCP
Overcurrent protection threshold
RL = 0 Ω
3
--A
Tj
Junction temperature at thermal
shutdown
-
-
150
-
°C
Ri
Input resistance
Differential input
54
68
-
k
Ω
VUVP
Undervoltage protection
threshold
-
--4.5
V
RdsON
Power transistor on resistance
High side
-
0.2
-
Ω
Low side
-
0.2
-
Po
Output power
THD = 10%
-
5.0
-
W
THD = 1%
-
4.0
-
Po
Output power
RL = 4 Ω, THD = 10%,
VCC =6.6 V
-5.0
-
W
RL = 4 Ω, THD = 1%,
VCC =6.6 V
-4.0
-
PD
Dissipated power
Po = 5 W + 5 W,
THD = 10%
-1.0
-W
η
Efficiency
Po = 5 W + 5 W,
RL = 8 Ω, THD = 10%,
VCC =9 V
-90
-
%
THD
Total harmonic distortion
Po = 1 W
-
0.1
-
%
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
ΔGV
Gain matching
-
-1
-
1
dB
CT
Crosstalk
f = 1 kHz, Po = 1 W
-
70
-
dB
eN
Total input noise
A Curve, GV = 20 dB
-
15
-
µV
f = 22 Hz to 22 kHz
-
20
-


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