參數(shù)資料
型號: MAX3140EEI+T
廠商: Maxim Integrated Products
文件頁數(shù): 36/36頁
文件大小: 0K
描述: IC UART W/RS485 28-QSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
特點: 收發(fā)器
FIFO's: 8 字節(jié)
規(guī)程: RS232,RS485
電源電壓: 4.75 V ~ 5.25 V
帶IrDA 編碼器/解碼器:
帶故障啟動位檢測功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 28-QSOP
供應(yīng)商設(shè)備封裝: 28-QSOP
包裝: 帶卷 (TR)
MAX3140
SPI/MICROWIRE-Compatible UART with Integrated
True Fail-Safe RS-485/RS-422 Transceivers
_______________________________________________________________________________________
9
Typical Operating Characteristics (continued)
(VCC = +5V, TA = +25°C, unless otherwise noted.)
0.10
0.15
-60
80
100
RS-485 RECEIVER OUTPUT LOW VOLTAGE
vs. TEMPERATURE
0.20
0.50
MAX3140-10
TEMPERATURE (
°C)
OUTPUT
LOW
VOLTAGE
(V)
20
0.40
0.35
0.30
0.25
040
0.45
-40
-20
60
IRO = 8mA
3.8
3.9
-60
80
100
RS-485 RECEIVER OUTPUT HIGH VOLTAGE
vs. TEMPERATURE
4.0
4.5
MAX3140-11
TEMPERATURE (
°C)
OUTPUT
HIGH
VOLTAGE
(V)
20
4.3
4.2
4.1
040
4.4
-40
-20
60
IRO = 8mA
115
-60
100
RS-485 RECEIVER PROPAGATION DELAY
(500kbps MODE) vs. TEMPERATURE
120
140
MAX3140-12
TEMPERATURE (
°C)
PROPAGATION
DELAY
(ns)
40
130
125
060
135
-40
-20
20
80
CLOAD = 100pF
94
-60
100
RS-485 RECEIVER PROPAGATION DELAY
(10Mbps MODE) vs. TEMPERATURE
98
96
112
MAX3140-13
TEMPERATURE (
°C)
PROPAGATION
DELAY
(ns)
40
106
104
100
102
060
110
108
-40
-20
20
80
CLOAD = 100pF
20
25
-60
100
RS-485 DRIVER PROPAGATION DELAY
(10Mbps MODE) vs. TEMPERATURE
30
60
MAX3140-16
TEMPERATURE (
°C)
PROPAGATION
DELAY
(ns)
40
45
50
40
35
060
55
-40
-20
20
80
Rt = 54
Ω
1.90
-60
100
RS-485 DRIVER PROPAGATION DELAY
(115kbps MODE) vs. TEMPERATURE
1.95
2.20
MAX3140-14
TEMPERATURE (
°C)
PROPAGATION
DELAY
s)
40
2.10
2.00
2.05
060
2.15
-40
-20
20
80
Rt = 54
Ω
520
560
-60
100
RS-485 DRIVER PROPAGATION DELAY
(500kbps MODE) vs. TEMPERATURE
600
640
920
MAX3140-15
TEMPERATURE (
°C)
PROPAGATION
DELAY
(ns)
40
760
800
720
680
060
840
880
-40
-20
20
80
Rt = 54
Ω
1.83
1.84
-60
100
RS-485 DRIVER DIFFERENTIAL
OUTPUT VOLTAGE vs. TEMPERATURE
1.85
1.90
MAX3140-17
TEMPERATURE (
°C)
OUTPUT
VOLTAGE
(V)
40
1.88
1.87
1.86
060
1.89
-40
-20
20
80
Rt = 54
Ω
100
0.01
01
RS-485 DRIVER OUTPUT CURRENT
vs. DIFFERENTIAL OUTPUT VOLTAGE
0.1
10
1
MAX3140-18
DIFFERENTIAL OUTPUT VOLTAGE (V)
OUTPUT
CURRENT
(mA)
23
4
5
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