参数资料
型号: LTC2863IS8-1#PBF
厂商: Linear Technology
文件页数: 3/26页
文件大小: 0K
描述: IC TRANSCEIVER RS485 8-SOIC
标准包装: 100
类型: 收发器
驱动器/接收器数: 1/1
规程: RS422,RS485
电源电压: 3 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 管件
LTC2862/LTC2863/
LTC2864/LTC2865
11
2862345fc
For more information www.linear.com/LTC2862
TesT circuiTs
DRIVER
CL
RL
Y**
DE
Z**
2862345 FO5
CL
DI
VCC*
OR
GND
OR
VCC
OR
GND
*LTC2865 ONLY: SUBSTITUTE VL FOR VCC
**LTC2862 ONLY: SUBSTITUTE A, B FOR Y, Z
tZLD,
tZLSD
tZHD,
tZHSD
tHZD,
tSHDN
VCC*
1/2 VCC*
VCC
VOL
VOH
0V
DE
Y OR Z
Z OR Y
2862345 F05b
tLZD
1/2 VCC
0.5V
1/2 VCC
*LTC2865 ONLY: SUBSTITUTE VL FOR VCC
RECEIVER
CL
RO
VCM
±VAB/2
A
B
2862345 FO6a
tPLHR
tPHLR
VAB
VCC*
–VAB
A–B
RO
0
tRR
tFR
90%
2862345 F06b
10%
0
1/2 VCC*
*LTC2865 ONLY: SUBSTITUTE VL FOR VCC
tSKEWR = |tPLHR – tPHLR|
RECEIVER
CL
RL
RO
RE
A
B
2862345 FO7a
0V OR VCC
DI = 0V OR VCC*
VCC OR 0V
VCC*
OR
GND
*LTC2865 ONLY: SUBSTITUTE VL FOR VCC
tZLR,
tZLSR
tZHR,
tZHSR
tHZR,
tSHDNR
VCC*
VOL
VOH
0V
RE
RO
2862345 F07b
tLZR
1/2 VCC*
0.5V
1/2 VCC*
*LTC2865 ONLY: SUBSTITUTE VL FOR VCC
1/2 VCC*
Figure 5. Driver Enable and Disable Timing Measurements
Figure 6. Receiver Propagation Delay Measurements
Figure 7. Receiver Enable/Disable Time Measurements
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