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TDA7250 数据表(PDF) 5 Page - STMicroelectronics

部件名 TDA7250
功能描述  6W AUDIO AMPLIFIER WITH STAND-BY
PDF  11 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7250 数据表(HTML) 5 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (Tamb =25
°C, Vs = ± 35 V, play mode, unless otherwise
specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Vs
Supply Voltage
± 10
± 45
V
Id
Quiescent Drain Current
Stand-by Mode
8
mA
Play Mode
10
14
Ib
Input Bias Current
0.2
1
µA
Vos
Input Offset Voltage
1
± 10
mV
Ios
Input Offset Current
100
200
nA
Gv
Open Loop Voltage Gain
f = 100 Hz
90
dB
f = 10 kHz
60
eN
Input Noise Voltage
RG = 600
Ω
B = 20 Hz to 20 kHz
3
µV
SR
Slew Rate
10
V/
µs
d
Total Harmonic Distortion
Gv = 26 dB, Po =40 W
f = 1 kHz
f = 20 kHz
0.004
0.03
%
%
Vopp
Output Voltage Swing
60
Vpp
Po
Output Power (*)
Vs =
± 35 V, RL =8 Ω
Vs =
± 30 V, RL =8 Ω
Vs =
± 35 V, RL =4 Ω
60
40
100
W
W
W
Io
Output Current
± 5mA
SVR
Supply Voltage Rejection
f = 100 Hz
75
dB
Cs
Channel Separation
f = 1 kHz
75
dB
MUTE / STANDBY/ PLAY FUNCTIONS
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Ii
Input Current (pin 5)
0.1
µA
Vth
Comparator
Standby
/
Mute
Threshold (**)
1.0
1.25
1.5
V
H
Hysteresis Standby / Mute
200
mV
Vth
Comparator Mute / Play
Threshold (**)
2.4
3.0
3.6
V
H
Hysteresis Mute / Play
300
mV
Mute Attenuation
f = 1 kHz
60
dB
Vi
Input Voltage Max. (pin 5)
12 (**)
V
CURRENT SURVEY CIRCUITRY
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Comparator Reference
to + VS
to – VS
0.8
0.8
1
1
1.4
1.4
V
V
td
Delay Time
10
µs
(*) Appli cation circuit of fig. 1
f = 1 KHz ;
d = 0.1 % ;
Gv =26 dB.
(**) Referred to
− Vs.
QUIESCENT CURRENT CONTROL
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Capacitor Current
Charge
Discharge
30
250
60
500
µA
µA
Comparator Reference
to + VS
to – VS
10
20
10
25
mV
mV
TDA7250
5/11



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