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TDA7273 数据表(PDF) 3 Page - STMicroelectronics

部件名 TDA7273
功能描述  SINGLE CHIP STEREO CASSETTE PLAYBACK SYSTEM
PDF  9 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7273 数据表(HTML) 3 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (Tamb =25
°C, VS = 3V, f = 1KHz, RL =32Ω Vol. control = 2/3Vref
unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Supply Voltage
1.8
7
V
Id
Quiescent Current
14
20
mA
Vref
Reference Voltage
1.3
1.49
1.7
V
PREAMPLIFIER SECTION
GVO
Open Loop Gain
70
dB
GV
Close Loop Gain
30
33
35
dB
Vo
Output Voltage
THD = 1%
600
850
mV
Ib
Bias Current
3
µA
THD
Total Harmonic Distortion
Vo = 330mVrms
0.05
0.25
%
Ct
Cross Talk
Rg = 2.2K
Ω;Vo = 330mVrms
74
dB
EN
Output Noise
Rg = 2.2K
Ω; BW = 22Hz to22KHz
100
µV
SVR
Ripple Rejection
Rg = 2.2K
Ω VR = 100mVrms
f = 100Hz; CSVR = 100
µF
40
50
dB
HEADPHONE DRIVER
Vo(DC)
DC Output Voltage
1.50
V
Po
Output Power
THD = 10%;
15
30
mW
Po
Transient Output Power
THD = 10% RL = 16
Ω
50
mW
GV
Close Loop Gain
Po = 5mW
28
31
34
dB
THD
Total Harmonic Distortion
Po = 5mW
0.2
1
%
Ct
Cross Talk
Rg = 10K
Ω;Po = 5mW
40
50
dB
SVR
Ripple Rejection
Vr = 100mVrms, f = 100Hz
Vol. control = 1/3Vref
CSVR = 100
µF; Rg =600Ω
47
dB
Volume Control Range
66
75
dB
PIN CONNECTION (Top view)
TDA7273
3/9



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