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参数资料
| 型号： | TDA7284 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2 CHANNEL, AUDIO PREAMPLIFIER, PDIP14 |
| 封装： | DIP-14 |
| 文件页数： | 10/14页 |
| 文件大小： | 3669K |
| 代理商： | TDA7284 |
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
BW = 22Hz to 22kHz
1.2
V
RI
Input Resistance
30
50
70
K
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
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
F
VR = 100mV, Rg = 10K
ALC = Off
50
dB
CS
Cross-talk
ALC OFF
70
dB
Pin 3
Turn Off Threshold
IO = <1
A0.8
1.3
V
Pin 3
Turn On Threshold
1.7
2.25
V
Pin 3
Turn On Saturation
RL = 10K
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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相关代理商/技术参数 |
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| TDA7284D | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:RECORD/PLAYBACK CIRCUIT WITH ALC |
| TDA7285 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:STEREO CASSETTE PLAYER AND MOTOR SPEED CONTROLLER |
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