TDA7284 Просмотр технического описания (PDF) - STMicroelectronics
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TDA7284 Datasheet PDF : 14 Pages
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TDA7284
ELECTRICAL CHARACTERISTICS (VS = 6V, Tamb = 25°C unless otherwise specified refer to test cir-
cuit)
Symbol
VS
Id
En
Parameter
Supply Voltage
Quiescent Current
Input Noise
RI
Input Resistance
GO
Open Loop Gain
VO
Output Voltage
THD
Total Harmonic Distortion
CB
SVR
ALC Range
Channel Balance
Supply Voltage Rejection
CS
Pin 3
Pin 3
Pin 3
Cross-talk
Turn Off Threshold
Turn On Threshold
Turn On Saturation
Test Condition
Min.
3
Rg = 2.2KΩ
BW = 22Hz to 22kHz
30
65
THD < 1%
ALC OFF 1.2
ALC ON 0.7
VO = 1Vrms
ALC = ON VI = 100mV
∆VO = 3dB
ALC ON
f = 120Hz, CSVR = 33µF
VR = 100mV, Rg = 10KΩ
ALC = Off
ALC OFF
IO = <1µA
0.8
RL = 10KΩ
Typ.
4.5
1.2
50
78
1.8
0.9
0.1
0.3
47
0
50
70
1.3
1.7
0.1
Max.
12
8
70
1.1
0.5
1
2
2.25
0.2
Unit
V
mA
µV
KΩ
dB
Vrms
Vrms
%
%
dB
dB
dB
dB
V
V
V
Figure 3: Drain Current vs. Supply Voltage
Figure 4: Recording Closed Loop Gain vs.
Frequency
5/14
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