参数资料
型号: MAX3465ESD+T
厂商: Maxim Integrated Products
文件页数: 2/13页
文件大小: 0K
描述: IC TXRX RS485/422 14-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
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: 带卷 (TR)
MAX3465–MAX3469
+5V, Fail-Safe, 40Mbps, Profibus RS-485/
RS-422 Transceivers
10
Y
Z
VOD
R
VOC
Figure 5. Driver DC Test Load
DI
DE
3V
Y
VID
CL
RDIFF
Z
Figure 6. Driver Timing Test Circuit
DI
3V
0V
Z
Y
VO
0V
-VO
VO
1.5V
1/2 VO
tPLH
tF
tR
tPHL
10%
90%
1.5V
10%
VDIFF = V (Y) - V (Z)
tSKEW = | tPLH - tPHL |
VDIFF
f = 1MHz, tR
≤ 3ns, tF ≤ 3ns
Figure 7. Driver Propagation Delays
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0V
Y, Z
VOL
Y, Z
0V
1.5V
VOL + 0.5V
VOH - 0.5V
50%
tZL(SHDN), tZL
tLZ
tZH(SHDN), tZH
tHZ
DE
Figure 9. Driver Enable and Disable Times
VOH
VOL
A
B
1V
-1V
1.5V
OUTPUT
INPUT
RO
tPLH
tPHL
f = 1MHz, tR
≤ 3ns, tF ≤ 3ns
Figure 10. Receiver Propagation Delays
3V
0V
VCC
RO
0V
1.5V
RE
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
1.5V
VOL + 0.5V
VOH - 0.5V
tZL(SHDN), tZL
tLZ
tZH(SHDN), tZH
tHZ
Figure 11. Receiver Enable and Disable Times
S1
S2
OUTPUT
UNDER TEST
VCC
CL
RL
Figure 8. Enable/Disable Timing Test Load
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