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参数资料
| 型号： | ST5481TQF7 |
| 厂商： | 意法半导体 |
| 英文描述： | L.O.U.I.S - LOW COST USB ISDN SOLUTION |
| 中文描述： | 圣路易斯-低成本USB综合业务数字网解决方案 |
| 文件页数： | 12/18页 |
| 文件大小： | 167K |
| 代理商： | ST5481TQF7 |
ST5481
12/18
10 - ELECTRICAL SPECIFICATIONS
Unless otherwise stated, electrical characteristics are specified over the operating range.
Typical values are given for VBUS = +5V, VregA = 3.3V, VregD1 = VregD2 = 3.3V, Tamb = 25
°C
10.1 - Absolute Maximum Rating
Table 4 :
Absolute maximum ratings
Notes GNDA = GNDD1 = GNDD2 = GNDBUS = 0V
Warning : Operation beyond these limits may result in permanent damage to the device. Normal operation is not guaranteed at these
extremes.
1. In Remote Power Supply Mode (RPSM=0)
2. For the ISDN S side access “LOPLON,LIP,LIN” pins the voltage level can temporary exceed the maximum rating due to the phone
line conditions. To prevent any damage to the circuit, an external protection circuit must be implemented according to the application
schematics.
10.2 - Nominal DC Characteristics
(Ta = 0 to 70
°C unless otherwise specified)
Table 5 :
Nominal DC characteristics
Note
1.
VREGD2 is always an analog power input, to be connected to VREGD1
Symbol
Parameter
Value
Unit
VBUS
5V Power Supply Voltage
5.5V
V
VREGD1
3.3V Power Supply Voltage
1
-0.3V to 3.6V
V
VREGD2
3.3V Power Supply Voltage
1
-0.3V to 3.6V
V
VREGA
3.3V Power Supply Voltage
1
-0.3V to 3.6V
V
V
IA
Analog Input Voltage
2
Digital Input Voltage
-0.3 to V
REGA
+ 0.3V
V
V
ID
V
ID
T
oper
T
stg
-0.3 to V
REGDX
+ 0.3V
-0.5 to VBUS + 0.3V
V
Digital Input Voltage on RPSM
V
Operating Temperature
0, +70
°C
Storage Temperature
-55, +125 °C
°C
Symbol
Parameter
Minimum
Typical
Maximum
Unit
VBUS
Ivdd
Ivdds
VREGA
Supply voltage
Supply Current (RPSM=1)
Supply Current in Suspended Mode (RPSM=1)
Analog regulated OUTPUT power supply (RPSM=1)
Analog regulated INPUT power supply (RPSM=0)
Digital regulated OUTPUT power supply (RPSM=1)
Digital regulated INPUT power supply (RPSM=0)
4
5
5.25
TBD
TBD
3.3+5%
V
TBD
mA
mA
V
3.3-5%
3.3
VREGD1
3.3-5%
3.3
3.3+5%
V
VREGD2
Digital regulated INPUT power supply
1
Analog regulated OUTPUT current (RPSM=1)
Analog regulated INPUT current (RPSM=0)
Digital regulated OUTPUT current (RPSM=1)
Digital regulated INPUT current (RPSM=0)
3.3-5%
3.3
3.3+5%
V
I
VregA
TBD
40
mA
I
VregD1
TBD
40
mA
I
VregD2
Digital regulated INPUT current
1
TBD
mA
P
DLP
Low Power mode (Suspended mode)
TBD
mW
P
D
Operating Power
TBD
mW
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