STA550 查看數據表（PDF） - STMicroelectronics
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STA550 Datasheet PDF : 16 Pages
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ELECTRICAL CHARACTERISTCS (continued)
Symbol
Parameter
Test Condition
EN Noise at Output bridge pins
f = 20Hz to 20KHz; Rg = 50Ω
Zbr_in Input impedance
Rdson Output power Rdson
IO = 1A
OLG Open Loop Voltage Gain
GB Unity Gain Bandwidth
SR Slew Rate
PROTECTION
Vstby Stby voltage range
Vmute Mute voltage range
Vplay Play voltage range
Th1 First Over temperature threshold
Th2 Second Over temperature
threshold
Unbal. Upper Unbalancing ground
Ground threshold
Referred to (CD+ - CD-)/2
Unbal. Lower Unbalancing ground
Ground threshold
Referred to (CD+ - CD-)/2
UVth Under voltage threshold
|Vs+| + |Vs-|
Pd_reg. Power dissipation threshold for
system regulation
Iprot = 50µA; @ Vds = 10V
Pd_max Switch off power dissipation
threshold
@ Vds = 10V
Iprot Protection current slope
for Pd > Pdreg
Ilct Limiting Current threshold
STA550
Min.
100
Typ.
12
140
200
100
1.4
7
Max.
180
400
Unit
µV
KΩ
mΩ
dB
MHz
V/µs
0
0.8
V
1.6
3
V
4
5
V
130
°C
150
°C
5
V
-5
V
20
V
25
31
W
48
W
400
µA/W
5.5
6
6.5
A
I+Vs Positive supply current
Stby (Vstby/mute pin = 0V)
4
mA
Mute (Vstby/mute pin = 2.5V)
35
mA
Play (Vstby/mute pin = 5V no signal)
35
mA
I-Vs Negative supply current
Stby (Vstby/mute pin = 0V)
4
mA
Mute (Vstby/mute pin = 2.5V)
35
mA
Play (Vstby/mute pin = 5V no signal)
35
mA
ICD+ Positive traking rail supply current Stby (Vstby/mute pin = 0V)
100
µA
Mute (Vstby/mute pin = 2.5V)
110
mA
Play (Vstby/mute pin = 5V no signal)
110
mA
ICD- Negative traking rail supply current Stby (Vstby/mute pin = 0V)
100
µA
Mute (Vstby/mute pin = 2.5V)
110
mA
Play (Vstby/mute pin = 5V no signal)
110
mA
7/16
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