参数资料
型号: MAX3292ESD
厂商: Maxim Integrated Products
文件页数: 12/16页
文件大小: 0K
描述: IC TXRX RS485/422 10MBPS 14-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
类型: 收发器
驱动器/接收器数: 1/1
规程: RS422,RS485
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOIC
包装: 管件
MAX3291/MAX3292
RS-485/RS-422 Transceivers with Preemphasis
for High-Speed, Long-Distance Communication
_______________________________________________________________________________________
5
TYPICAL PREEMPHASIS WAVEFORM
MAX3291/2-01
100ns/div
VY - VZ
2V/
div
2500
0
1000
PREEMPHASIS INTERVAL vs. RPSET
(CPSET = 0.1F)
250
500
2250
MAX3291/2-02
RPSET (k)
PREEMPHASIS
INTERVAL
(ns)
200
100
300 400
600
500
800
700
900
2000
1750
750
1500
1250
1000
NOTE A
0
400
200
800
NOTE A
600
1000
1200
0
1000
500
1500
2000
RPRE AND tPRE vs. tBAUD
MAX3291/92
toc
03
tBAUD (ns)
R
PRE
(k
)
0
1.0
0.5
2.0
1.5
2.5
3.0
4.0
3.5
4.5
10
30
40
50
20
60
70
80
90 100
DRIVER DIFFERENTIAL
OUTPUT VOLTAGE vs. RDIFF
MAX3291/2-04
RDIFF ()
DRIVER
DIFFERENTIAL
OUTPUT
VOLTAGE
(V)
STRONG
NORMAL
30.0
35.0
32.5
40.0
37.5
42.5
47.5
45.0
50.0
-40
0
20
-20
40
60
80
100
DRIVER PROPAGATION DELAY
vs. TEMPERATURE
MAX3291/2-07
TEMPERATURE (°C)
PROPAGATION
DELAY
(ns)
CL1 = CL2 = 50pF
2.00
2.50
2.25
3.00
2.75
3.25
3.50
4.00
3.75
4.25
-40
0
20
-20
40
60
80
100
DRIVER DIFFERENTIAL
OUTPUT VOLTAGE vs. TEMPERATURE
MAX3291/2-05
TEMPERATURE (°C)
DIFFERENTIAL
OUTPUT
VOLTAGE
(V)
STRONG (VODP)
RDIFF = 54
NORMAL (VOD)
40.0
45.0
42.5
50.0
47.5
52.5
57.5
55.0
60.0
-40
0
20
-20
40
60
80
100
RECEIVER PROPAGATION DELAY
vs. TEMPERATURE
MAX3291/2-06
TEMPERATURE (°C)
PROPAGATION
DELAY
(ns)
CL = 50pF
RECEIVER PROPAGATION DELAY
MAX3291/2-08
20ns/div
VA - VB
RO
2.5V/
div
5V/
div
__________________________________________Typical Operating Characteristics
(VCC = +5V, TA = +25°C, unless otherwise noted.)
Note A: Dotted line represents region in which preemphasis may not work in systems with excessive power-supply noise. See
Preemphasis at Low Data Rates.
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