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TDA7050T/N3,112 Datasheet PDF : 9 Pages
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Philips Semiconductors
Low voltage mono/stereo power amplifier
Product specification
TDA7050T
CHARACTERISTICS
VP = 3 V; f = 1 kHz; RL = 32 Ω; Tamb = 25 °C; unless otherwise specified
PARAMETER
SYMBOL MIN.
Supply
Supply voltage
Total quiescent current
Bridge-tied load application (BTL); see Fig.4
Output power*
VP = 3,0 V; dtot = 10%
VP = 4,5 V; dtot = 10% (RL = 64 Ω)
Voltage gain
Noise output voltage (r.m.s. value)
RS = 5 kΩ; f = 1 kHz
RS = 0 Ω; f = 500 kHz; B = 5 kHz
D.C. output offset voltage (at RS = 5 kΩ)
Input impedance (at RS = ∞)
Input bias current
Stereo application; see Fig.5
Output power*
VP = 3,0 V; dtot = 10%
VP = 4,5 V; dtot = 10%
Voltage gain
Noise output voltage (r.m.s. value)
RS = 5 kΩ; f = 1 kHz
RS = 0 Ω; f = 500 kHz; B = 5 kHz
Channel separation
RS = 0 Ω; f = 1 kHz
Input impedance (at RS = ∞)
Input bias current
VP
1,6
Itot
−
Po
−
Po
−
Gv
−
Vno(rms)
−
Vno(rms)
−
|∆V|
−
|Zi|
1
Ii
−
Po
Po
Gv
Vno(rms)
Vno(rms)
α
|Zi|
Ii
−
−
24.5
−
−
30
2
−
TYP.
−
3,2
140
150
32
140
tbf
−
−
40
35
75
26
100
tbf
40
−
20
MAX. UNIT
6,0
V
4
mA
−
mW
−
mW
−
dB
−
µV
−
µV
70
mV
−
MΩ
−
nA
−
mW
−
mW
27.5
dB
−
µV
−
µV
−
dB
−
MΩ
−
nA
* Output power is measured directly at the output pins of the IC. It is shown as a function of the supply voltage in Fig.2
(BTL application) and Fig.3 (stereo application).
July 1994
4
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