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TDA7256 数据表(PDF) 3 Page - STMicroelectronics

部件名 TDA7256
功能描述  30W BRIDGE CAR RADIO AMPLIFIER
PDF  10 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7256 数据表(HTML) 3 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (VS = 14.4V, RL =4
Ω, f = 1KHz; Tamb =25°C, unless otherwise
specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Supply Voltage
8
18
V
Iq
Quiescent Drain Current
80
150
mA
Ri
Input Resistance
50
K
Ω
CMR
Common Mode Rejection
f = 1KHz, Vin = 100mV
60
dB
VOS
Output Offset Voltage
150
mV
Po
Output Power
d = 10%
RL =4
Ω
RL = 3.2
Ω
RL =2
Ω
18
22
26
30
W
W
W
d
Distortion
Po = 0.1W to 13W
0.05
0.5
%
GV
Voltage Gain (CL)
36
dB
eN
Total Input Noise Voltage
Rg = 10K
Ω, B = 22Hz to 22KHz
3
10
µV
SVR
Supply Voltage Rejection
Rg = 10K
Ω,Vr = 1Vrms,
f = 300Hz
45
60
dB
Muting Attenuation
Vref = 1Vrms,
f = 100Hz to 10KHz
60
dB
Muting-in Threshold Voltage
Pin 1
2.4
V
Muting-out Threshold Voltage
Pin 1
0.8
V
Stand-by Attenuation
Vref = 1Vrms
60
dB
Stand-by Current Consumption
100
µA
TSD
Thermal Shut-down Junction
Temperature
145
°C
Figure 1: Test and Application Circuit
TDA7256
3/10



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