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