TDA7050T Datasheet, PDF (4/9 Pages) NXP Semiconductors – Low voltage mono/stereo power amplifier

Philips Semiconductors
Low voltage mono/stereo power amplifier
Product specification
TDA7050T
CHARACTERISTICS
V_P = 3 V; f = 1 kHz; R_L = 32 Ω; T_amb = 25 °C; unless otherwise specified
PARAMETER
SYMBOL MIN.
Supply
Supply voltage
Total quiescent current
Bridge-tied load application (BTL); see Fig.4
Output power^*
V_P = 3,0 V; d_tot = 10%
V_P = 4,5 V; d_tot = 10% (R_L = 64 Ω)
Voltage gain
Noise output voltage (r.m.s. value)
R_S = 5 kΩ; f = 1 kHz
R_S = 0 Ω; f = 500 kHz; B = 5 kHz
D.C. output offset voltage (at R_S = 5 kΩ)
Input impedance (at R_S = ∞)
Input bias current
Stereo application; see Fig.5
Output power^*
V_P = 3,0 V; d_tot = 10%
V_P = 4,5 V; d_tot = 10%
Voltage gain
Noise output voltage (r.m.s. value)
R_S = 5 kΩ; f = 1 kHz
R_S = 0 Ω; f = 500 kHz; B = 5 kHz
Channel separation
R_S = 0 Ω; f = 1 kHz
Input impedance (at R_S = ∞)
Input bias current
V_P
1,6
I_tot
−
P_o
−
P_o
−
G_v
−
V_no(rms)
−
V_no(rms)
−
|∆V|
−
|Z_i|
1
I_i
−
P_o
P_o
G_v
V_no(rms)
V_no(rms)
α
|Z_i|
I_i
−
−
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
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