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參數(shù)資料
| 型號(hào)： | MAX3485 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 3.3V-Powered, 10Mbps and Slew-Rate-Limited True RS-485/RS-422 Transceivers(10Mbps,半雙工，RS-485/RS-422收發(fā)器) |
| 中文描述： | 3.3V供電、10Mbps、限擺率、真RS-485/RS-422收發(fā)器 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 251K |
| 代理商： | MAX3485 |
M
3.3V-Powered, 10Mbps and S lew-Rate-Limited
True RS -485/RS -422 Transc eivers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V
CC
)...............................................................7V
Control Input Voltage (RE, DE) ...................................-0.3V to 7V
Driver Input Voltage (DI).............................................-0.3V to 7V
Driver Output Voltage (A, B, Y, Z)..........................-7.5V to 12.5V
Receiver Input Voltage (A, B) ................................-7.5V to 12.5V
Receiver Output Voltage (RO)....................-0.3V to (V
CC
+ 0.3V)
Continuous Power Dissipation (T
A
= +70°C)
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) .....727mW
8-Pin SO (derate 5.88mW/°C above +70°C)..................471mW
DC ELECTRICAL CHARACTERISTICS
(V
CC
= 3.3V ±0.3V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
14-Pin Plastic DIP (derate 10mW/°C above +70°C) ......800mW
14-Pin SO (derate 8.33mW/°C above +70°C)................667mW
Operating Temperature Ranges
MAX34_ _C_ _.......................................................0°C to +70°C
MAX34_ _E_ _....................................................-40°C to +85°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
DE = 0V,
V
CC
= 0V or 3.6V
DE = 0V, RE = V
CC
,
V
CC
= 0V or 3.6V, MAX3491
DE = 0V, RE = 0V,
V
CC
= 0V or 3.6V, MAX3491
k
12
R
IN
Receiver Input Resistance
μA
±1
I
OZR
Three-State (High Impedance)
Output Current at Receiver
V
0.4
V
OL
Receiver Output Low Voltage
V
V
CC
- 0.4
V
OH
Receiver Output High Voltage
mV
50
V
TH
Receiver Input Hysteresis
V
-0.2
0.2
V
TH
Receiver Differential
Threshold Voltage
μA
-1
I
O
Output Leakage (Y, Z)
in Shutdown Mode
1
μA
-20
I
O
Output Leakage (Y, Z)
V
0.2
V
OD
Change in Magnitude of Driver
Differential Output Voltage for
Complementary Output States
(Note 1)
V
1.5
V
OD
2.0
1.5
Differential Driver Output
20
mA
-0.8
I
IN2
Input Current (A, B)
1.0
μA
±2
I
IN1
Logic Input Current
V
3
V
OC
Driver Common-Mode Output
Voltage
V
0.2
V
OC
Change in Magnitude of
Common-Mode Output Voltage
(Note 1)
V
V
2.0
V
IH
V
IL
Input High Voltage
Input Low Voltage
0.8
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
R
L
= 54
or 100
, Figure 4
-7V
≤
V
CM
≤
12V
R
L
= 54
(RS-485), Figure 4
R
L
= 60
(RS-485), V
CC
= 3.3V, Figure 5
V
CC
= 3.6V, 0V
≤
V
OUT
≤
V
CC
R
L
= 100
(RS-422), Figure 4
I
OUT
= 2.5mA, V
ID
= 200mV, Figure 6
I
OUT
= -1.5mA, V
ID
= 200mV, Figure 6
V
CM
= 0V
V
OUT
= 12V
V
OUT
= -7V
V
IN
= -7V
-7V
≤
V
CM
≤
12V
V
OUT
= -7V
V
IN
= 12V
DE, DI, RE
R
L
= 54
or 100
, Figure 4
R
L
= 54
or 100
, Figure 4
DE, DI, RE
DE, DI, RE
V
OUT
= 12V
CONDITIONS
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| MAX3485C/D | 功能描述:RS-422/RS-485 接口 IC 3.3V Pwr 10Mbps & Slew-Rate Ltd True RS-485/RS-422 Xceiver RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| MAX3485CPA | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
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| MAX3485CSA | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
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