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TS4984FC 数据表(PDF) 4 Page - STMicroelectronics

部件名 TS4984FC
功能描述  1.2W Stereo Audio Power Amplifier with Active Low Standby Mode
PDF  30 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS4984FC 数据表(HTML) 4 Page - STMicroelectronics

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Electrical Characteristics
TS4984FC
4/30
3
Electrical Characteristics
Table 4.
VCC = +5V, GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
ICC
Supply Current
No input signal, no load
7.4
12
mA
ISTBY
Standby Current (1)
1.
Standby mode is activated when VSTBY is tied to Gnd.
No input signal, VSTBY =GND, RL =8Ω
10
1000
nA
VOO
Output Offset Voltage
No input signal, RL =8Ω
110mV
Pout
Output Power
THD = 1% Max, F = 1kHz, RL =8Ω
0.9
1.2
W
THD + N
Total Harmonic Distortion
+ Noise
Pout =1Wrms, AV = 2
20Hz
≤ F ≤ 20kHz, RL = 8Ω
0.2
%
PSRR
Power Supply Rejection
Ratio(2)
2.
All PSRR data limits are guaranteed by production sampling tests.
Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the sinusoidal signal superimposed upon VCC.
RL = 8Ω, AV = 2, Vripple = 200mVpp,
Input Grounded, F
= 217Hz
55
62
dB
RL = 8Ω, AV = 2, Vripple = 200mVpp,
Input Grounded, F
= 1kHz
55
64
Crosstalk Channel Separation,
RL = 8Ω, F = 1kHz
107
dB
RL = 8Ω, F = 20Hz to 20kHz
82
twu
Wake-Up Time
Cb = 1µF
90
130
ms
tstby
Standby Time
Cb = 1µF
10
µs
VSTBYH
Standby Voltage Level
High
1.3
V
VSTBYL
Standby Voltage Level
Low
0.4
V
ΦM
Phase Margin at Unity
Gain
RL = 8Ω, CL = 500pF
65
Degrees
GM
Gain Margin
RL = 8Ω, CL = 500pF
15
dB
GBP
Gain Bandwidth Product
RL = 8Ω
1.5
MHz



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