TDA7050 Просмотр технического описания (PDF) - Philips Electronics
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TDA7050 Datasheet PDF : 8 Pages
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Philips Semiconductors
Low voltage mono/stereo power amplifier
Product specification
TDA7050
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; note 1
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; note 1
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
24.5
Vno(rms) −
Vno(rms) −
α
30
|Zi|
2
Ii
−
TYP. MAX. UNIT
−
6,0
V
3,2
4
mA
140
−
mW
150
−
mW
32
−
dB
140
−
µV
tbf
−
µV
−
70
mV
−
−
MΩ
40
−
nA
35
−
mW
75
−
mW
26
27.5
dB
100
−
µV
tbf
−
µV
40
−
dB
−
−
MΩ
20
−
nA
Note
1. 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).
June 1989
4
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