TDA7250 Datasheet, PDF (5/11 Pages) STMicroelectronics – 6W AUDIO AMPLIFIER WITH STAND-BY

TDA7250
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, Vs = ± 35 V, play mode, unless otherwise
specified)
Symbol
Parameter
Vs Supply Voltage
I_d Quiescent Drain Current
I_b Input Bias Current
Vos Input Offset Voltage
Ios Input Offset Current
G_v Open Loop Voltage Gain
e_N 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
R_G = 600 Ω
B = 20 Hz to 20 kHz
G_v = 26 dB, P_o = 40 W
f = 1 kHz
f = 20 kHz
Vs = ± 35 V, RL = 8 Ω
V_s = ± 30 V, R_L = 8 Ω
Vs = ± 35 V, RL = 4 Ω
f = 100 Hz
f = 1 kHz
Min.
± 10
Typ.
8
10
0.2
1
100
90
60
3
Max.
± 45
14
1
± 10
200
10
0.004
0.03
60
60
40
100
±5
75
75
Unit
V
mA
µA
mV
nA
dB
µV
V/µs
%
%
Vpp
W
W
W
mA
dB
dB
MUTE / STANDBY/ PLAY FUNCTIONS
Symbol
Parameter
Ii
Input Current (pin 5)
V_th 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.
1.0
2.4
12 (**)
(*) Appli cation circuit of fig. 1
(**) Referred to − Vs.
f = 1 KHz ;
d = 0.1 % ;
Gv =26 dB.
CURRENT SURVEY CIRCUITRY
Typ.
0.1
1.25
200
3.0
300
60
Max.
1.5
3.6
Unit
µA
V
mV
V
mV
dB
V
Symbol
Parameter
Comparator Reference
td Delay Time
Test Conditions
to + V_S
to – VS
Min.
0.8
0.8
10
Typ.
1
1
Max.
1.4
1.4
Unit
V
V
µs
QUIESCENT CURRENT CONTROL
Symbol
Parameter
Capacitor Current
Comparator Reference
Test Conditions
Charge
Discharge
to + V_S
to – VS
Min.
30
250
10
Typ.
60
500
20
10
Max.
25
Unit
µA
µA
mV
mV
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