ELECTRICAL CHARACTERISTICS (continued
Symbol
Parameter
Test Condition
Ri Input Resistance (non inverting input) f = 1KHz
fL Low Frequency Roll off (-3dB)
RL = 4Ω
RL = 2Ω
RL = 3.2Ω
RL= 1.6Ω
fH High Frequency Roll off (-3dB)
RL = 1.6Ω to 4Ω
GV Voltage gain (open loop)
f = 1KHz
Voltage gain (closed loop)
f = 1KHz
closed loop gain matching
eN Total Input noise Voltage
Rg = 10KΩ (**)
SVR Supply Voltage Rejection
fripple = 100Hz; Rg = 10KΩ
C3 = 10µF Vripple = 0.5Vrms
η Efficiency
VS = 14.4V f = 1KHz
RL = 4Ω PO = 6.5W
RL = 2Ω PO = 10W
VS = 13.2V f = 1KHZ
RL = 3.2Ω PO = 6.5W
RL = 1.6Ω PO = 10W
TJ Thermal Shutdown Junction
Temperature
Notes : (*) 9.3W without Bootstrap
(**) Bandwith Filter : 22Hz to 22KHz.
TDA2004A
Min. Typ. Max. Unit
70
200
KΩ
35
Hz
50
Hz
40
Hz
55
Hz
15
KHz
90
dB
48
50
51
dB
0.5
dB
1.5
5
µV
35
45
dB
70
%
60
%
70
%
60
%
145
°C
Figure 1 : Test and Application Circuit.
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