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TDA7284D 데이터시트(PDF) 5 Page - STMicroelectronics

부품명 TDA7284D
상세설명  RECORD/PLAYBACK CIRCUIT WITH ALC
PDF  14 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7284D 데이터시트(HTML) 5 Page - STMicroelectronics

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



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