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TS4985EIKJT Datasheet(数据表) 4 Page - STMicroelectronics

部件型号  TS4985EIKJT
说明  2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins
下载  29 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
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Electrical Characteristics
TS4985
4/29
3
Electrical Characteristics
Table 4.
VCC = +5V, GND = 0V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Supply Current
No input signal, no load
7.4
12
mA
ISTANDBY
Standby Current (1)
No input signal, Vstdby = GND, RL = 8Ω
1.
Standby mode is activated when Vstdby is tied to Gnd.
10
1000
nA
Voo
Output Offset Voltage
No input signal, RL = 8
110
mV
Po
Output Power
THD = 1% Max, F = 1kHz, RL = 8
0.9
1.2
W
THD + N
Total Harmonic Distortion + Noise
Po = 1Wrms, Av = 2, 20Hz
≤ F ≤ 20kHz, RL = 8Ω
0.2
%
PSRR
Power Supply Rejection Ratio(2)
RL = 8
Ω, Av = 2, Vripple = 200mVpp, Input Grounded
F = 217Hz
F = 1kHz
2.
All PSRR data limits are guaranteed by production sapling tests.
Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is the sinusoidal signal superimposed upon
Vcc
55
55
62
64
dB
Crosstalk
Channel Separation, RL = 8Ω
F = 1kHz
F = 20Hz to 20kHz
-107
-82
dB
TWU
Wake-Up Time (Cb = 1µF)
90
130
ms
TSTDB
Standby Time (Cb = 1µF)
10
µs
VSTDBH
Standby Voltage Level High
1.3
V
VSTDBL
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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