Electrical specifications
TDA2003A
2.3
Electrical characteristics
V = 14.4 V, T
= 25 °C unless otherwise specified.
s
amb
Table 4.
Symbol
Electrical characteristics
Parameter
Test condition
Min.
Typ.
Max. Unit
DC characteristics (refer to DC test circuit)
VS
VO
Id
Supply voltage
-
-
-
8
6.1
-
-
18
7.7
50
V
V
Quiescent output voltage (pin 4)
Quiescent drain current (pin 5)
6.9
44
mA
AC characteristics (refer to DC test circuit)
d = 10%; f = 1 kHz
RL = 4 Ω
RL = 2 Ω
RL = 3.2 Ω
RL = 1.6 Ω
5.5
9
6
Po
Output power
10
7.5
12
-
W
mV
mW
Hz
Vi(rms) Input saturation voltage
-
300
-
f = 1 kHz
RL = 4 Ω; Po = 0.5 W;
RL = 4 Ω; Po = 6 W
RL = 2 Ω; Po = 0.5 W;
RL = 2 Ω; Po = 10 W;
14
55
10
50
Vi
Input sensitivity
-
-
B
d
Frequency response (-3 dB)
Distortion
RL = 4 Ω; Po = 1 W;
40 to 15,000
f = 1 kHz
RL = 4 Ω; Po = 0.05 to 4.5 W;
RL = 2 Ω; Po = 0.05 to 7.5 W;
-
0.15
0.15
%
Ri
Input resistance
f = 1 kHz
70
-
150
-
-
kΩ
f = 1 kHz;
f = 10 kHz
80
60
dB
dB
Gv
Voltage gain (open loop)
Gv
eN
iN
Voltage gain (closed loop)
Input noise voltage (1)
Input noise current (1)
f = 1 kHz; RL = 4 Ω
39.3
40
1
40.3
5
dB
µV
pA
-
-
-
-
60
200
f = 1 kHz
h
Efficiency
RL = 4 Ω; Po = 6 W;
RL = 2 Ω; Po = 10 W;
-
69
65
-
-
%
%
f = 100 Hz; Vripple = 0.5 V;
SVR
Supply voltage rejection
30
36
dB
Rg = 10 kΩ; RL = 4 Ω;
1. Filter with noise bandwidth: 22 Hz to 22 kHz.
8/19
Doc ID 018796 Rev 4
STMICROELECTRONICS [ ST ]
