參數(shù)資料
型號： MAX490ESA+T
廠商： Maxim Integrated Products
文件頁數(shù)： 13/17頁
文件大?。?/td> 0K
描述： IC TXRX RS485/RS422 8-SOIC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 1/1
規(guī)程： RS422，RS485
電源電壓： 4.75 V ~ 5.25 V
安裝類型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SOIC
包裝： 帶卷 (TR)
Low-Power, Slew-Rate-Limited
RS-485/RS-422 Transceivers
30
0
2.5
OUTPUT CURRENT vs.
RECEIVER OUTPUT LOW VOLTAGE
5
25
MAX481-01
OUTPUT LOW VOLTAGE (V)
OUTPUT
CURRENT
(mA)
1.5
15
10
0.5
1.0
2.0
20
35
40
45
0.9
0.1
-50
-25
25
75
RECEIVER OUTPUT LOW VOLTAGE vs.
TEMPERATURE
0.3
0.7
TEMPERATURE (
°C)
OUTPUT
LOW
VOLTAGE
(V)
050
0.5
0.8
0.2
0.6
0.4
0
100
125
MAX481-04
IRO = 8mA
-20
-4
1.5
2.0
3.0
5.0
OUTPUT CURRENT vs.
RECEIVER OUTPUT HIGH VOLTAGE
-8
-16
MAX481-02
OUTPUT HIGH VOLTAGE (V)
OUTPUT
CURRENT
(mA)
2.5
4.0
-12
-18
-6
-14
-10
-2
0
3.5
4.5
4.8
3.2
-50
-25
25
75
RECEIVER OUTPUT HIGH VOLTAGE vs.
TEMPERATURE
3.6
4.4
TEMPERATURE (
°C)
OUTPUT
HIGH
VOLTAGE
(V)
050
4.0
4.6
3.4
4.2
3.8
3.0
100
125
MAX481-03
IRO = 8mA
90
0
1.0
3.0
4.5
DRIVER OUTPUT CURRENT vs.
DIFFERENTIAL OUTPUT VOLTAGE
10
70
MAX481-05
DIFFERENTIAL OUTPUT VOLTAGE (V)
OUTPUT
CURRENT
(mA)
2.0
4.0
50
30
80
60
40
20
0.5
1.5
2.5
3.5
2.3
1.5
-50
-25
25
125
DRIVER DIFFERENTIAL OUTPUT VOLTAGE
vs. TEMPERATURE
1.7
2.1
MAX481-06
TEMPERATURE (
°C)
DIFFERENTIAL
OUTPUT
VOLTAGE
(V)
075
1.9
2.2
1.6
2.0
1.8
100
50
2.4
R = 54
Ω
__________________________________________Typical Operating Characteristics
(VCC = 5V, TA = +25°C, unless otherwise noted.)
NOTES FOR ELECTRICAL/SWITCHING CHARACTERISTICS
Note 1: All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to device
ground unless otherwise specified.
Note 2: All typical specifications are given for VCC = 5V and TA = +25°C.
Note 3: Supply current specification is valid for loaded transmitters when DE = 0V.
Note 4: Applies to peak current. See
Typical Operating Characteristics.
Note 5: The MAX481/MAX483/MAX487 are put into shutdown by bringing RE high and DE low. If the inputs are in this state for less
than 50ns, the parts are guaranteed not to enter shutdown. If the inputs are in this state for at least 600ns, the parts are
guaranteed to have entered shutdown. See
Low-Power Shutdown Mode (MAX481/MAX483/MAX487) section.
MAX481/MAX483/MAX485
MAX487–MAX491/MAX1487
Maxim Integrated
5
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