TDA2003
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Po = 1W
B
d
Frequency response (-3 dB)
Distortion
40 to 15,000
Hz
R = 4
Ω
L
f = 1 kHz
Po = 0.05 to4.5W RL = 4Ω
0.15
0.15
%
%
P = 0.05 to 7.5W R = 2
Ω
o
L
Ri
Input resistance (pin 1)
Voltage gain (open loop)
f = 1 kHz
70
150
k
Ω
Gv
f = 1 kHz
f = 10 kHz
80
60
dB
dB
f = 1 kHz
Gv
Voltage gain (closed loop)
39.3
40
40.3
dB
RL = 4Ω
eN
iN
η
Input noise voltage
Input noise current
Efficiency
(0)
(0)
1
5
µ
V
60
200
pA
f = 1 Hz
Po = 6W
Po = 10W
R = 4
R = 2
L
69
65
%
%
Ω
Ω
L
f = 100 Hz
SVR
Supply voltage rejection
V
ripple = 0.5V
Rg = 10 kΩ
RL = 4Ω
30
36
dB
(0) Filter with noise bandwidth:22 Hz to 22 kHz
Figure 1. Quiescent output
voltage vs. supply voltage
Figure 2. Quiescent drain
current vs. supply voltage
Figure 3. Output power vs.
supply voltage
4/10
STMICROELECTRONICS [ ST ]
