Philips Semiconductors
Low voltage mono/stereo power amplifier
CHARACTERISTICS
V
= 3 V; f = 1 kHz; R
P
L
Supply
Supply voltage
Total quiescent current
Bridge-tied load application (BTL); see Fig.4
Output power; note 1
V
= 3,0 V; d
= 10%
P
tot
V
= 4,5 V; d
= 10% (R
P
tot
Voltage gain
Noise output voltage (r.m.s. value)
R
= 5 k ; f = 1 kHz
S
R
= 0 ; f = 500 kHz; B = 5 kHz
S
D.C. output offset voltage (at R
Input impedance (at R
S
Input bias current
Stereo application; see Fig.5
Output power; note 1
V
= 3,0 V; d
= 10%
P
tot
V
= 4,5 V; d
= 10%
P
tot
Voltage gain
Noise output voltage (r.m.s. value)
R
= 5 k ; f = 1 kHz
S
R
= 0 ; f = 500 kHz; B = 5 kHz
S
Channel separation
R
= 0 ; f = 1 kHz
S
Input impedance (at R
S
Input bias current
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
= 32 ; T
= 25 C; unless otherwise specified
amb
PARAMETER
= 64 )
L
= 5 k )
S
= )
= )
SYMBOL
MIN.
V
1,6
P
I
tot
P
o
P
o
G
v
V
no(rms)
V
no(rms)
| V|
|Z
|
1
i
I
i
P
o
P
o
G
24.5
v
V
no(rms)
V
no(rms)
30
|Z
|
2
i
I
i
4
Product specification
TDA7050
TYP.
MAX.
6,0
V
3,2
4
mA
140
mW
150
mW
32
dB
140
V
tbf
V
70
mV
M
40
nA
35
mW
75
mW
26
27.5
dB
100
V
tbf
V
40
dB
M
20
nA
UNIT
Need help?
Do you have a question about the TDA7050 and is the answer not in the manual?