FLEXIWATT27 查看數據表（PDF） - STMicroelectronics
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FLEXIWATT27 Datasheet PDF : 17 Pages
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STA530
ELECTRICAL CHARACTERISTCS (Test Condition: Vs+ = 25V, Vs- = -25V, VCD+ = 15V, VCD- = -15V, RL =
8Ω, external components at the nominal value f = 1KHz, Tamb = 25°C unless otherwise specified)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
TRACKING PARAMETERS
GTRK Tracking reference voltage gain
66
70
74
VTRK_out Tracking ref. output voltage
0
15
V
ITRK_out Current capability
5
6
mA
ZTRK_in Input impedance (TRK1/2)
1
MΩ
VOFFSET Output traking DC offset
100
mV
OUTPUT BRIDGE
Gout Half Output bridge gain
19
20
21
dB
Gch Output bridge differential gain
25
26
27
dB
∆Gch Output bridges gain mismatch
-1
1
dB
Pout Continuous Output Power
THD = 1%
THD = 10%
39
W
50
W
THD = 10% RL = 4Ω
VCD+ = 11V, VCD- = -11V
40
W
Pout Continuous Output Power
THD = 1% RL = 4Ω
78
W
2 ch par
THD = 10% RL = 4Ω
100
W
THD Total harmonic distortion of the
output bridge
Po = 5W
f = 20Hz to 20KHz; Po = 20W
0.01 0.1
%
0.2
%
VOff Output bridge D.C. offset
-100
100 mV
EN Noise at Output bridge pins
f = 20Hz to 20KHz; Rg = 50Ω
60
µV
Zbr_in Input impedance
100 140 180 KΩ
Rdson Output power Rdson
IO = 1A
Tj=25o C
400 500 mΩ
RdsonMAX Maximum Output power Rdson IO = 1A
800
mΩ
OLG Open Loop Voltage Gain
100
dB
GB Unity Gain Bandwidth
6
MHz
SR Slew Rate
8
V/µs
PROTECTION
VSTBY Stby voltage range
0
0.8
V
VMUTE Mute voltage range
1.6
2.5
V
VPLAY Play voltage range
4
5
V
Th1 First Over temperature threshold
130
°C
5/17
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