参数资料
型号: ADM1487EARZ
厂商: Analog Devices Inc
文件页数: 3/16页
文件大小: 0K
描述: IC TXRX HALF DUP RS485/422 8SOIC
标准包装: 98
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: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 管件
ADM485E/ADM487E/ADM1487E
Rev. B | Page 11 of 16
TEST CIRCUITS AND SWITCHING CHARACTERISTICS
0
63
56-
0
03
Z
Y
VOD
VOC
RL
Figure 18. Driver DC Test Load
06
35
6-
0
04
DI
DE
VDD
A
B
RL
CL1
CL2
VOD
Figure 19. Driver Timing Test Circuit
5V
1.5V
1/2VO
20%
80%
20%
DI
A
B
0V
VO
–VO
VDIFF
tSKEW = tDPLH – tDPHL
VDIFF = V (A) – V (B)
tDR
tDPLH
tDPHL
tDF
1/2VO
06
35
6-
0
5
Figure 20. Driver Propagation Delays
GENERATOR
0V OR 5V
50
RL = 500
OUT
CL
S1
1.5V
5V
0V
VOH
0V
0.5V
2.3V
OUT
DE
tDHZ
tDZH,
tDZH(SHDN)
06
35
6-
0
06
D
Figure 21. Driver Enable and Disable Times (tDHZ, tDZH, tDZH(SHDN))
GENERATOR
0V OR 5V
50
D
RL = 500
VCC
OUT
CL
S1
VCC/2
5V
0V
0.5V
2.3V
VOL
OUT
VCC
DE
tDLZ
tDZL,
tDZL(SHDN)
06
35
6-
00
7
Figure 22. Driver Enable and Disable Times (tDZL, tDLZ, tDZL(SHDN))
ATE
B
RECEIVER
OUTPUT
A
R
VID
06
35
6-
00
8
Figure 23. Receiver Propagation Delay Test Circuit
THE RISE TIME AND FALL TIME OF INPUT A AND INPUT B < 4ns
+1V
–1V
tRPHL
tRPLH
1.5V
B
RO
VOH
VOL
A
063
56
-00
9
Figure 24. Receiver Propagation Delays
相关PDF资料
PDF描述
ADM1491EBRMZ IC TXRX FULLDUP RS485/422 10MSOP
ADM1490EBRMZ IC TXRX RS485 FULL DUPLEX 8MSOP
ADM485EARZ IC TXRX HALF DUP RS485/422 8SOIC
MCP6544-E/ST IC COMP 1.6V QUAD P-P 14TSSOP
ADM487EARZ IC TXRX HALF DUP RS485/422 8SOIC
相关代理商/技术参数
参数描述
ADM1487EARZ-REEL7 功能描述:IC TXRX HALF DUP RS485/422 8SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器,接收器,收发器 系列:- 标准包装:121 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422,RS485 电源电压:3 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN(3x3) 包装:管件
ADM1487JN 制造商:AD 制造商全称:Analog Devices 功能描述:Ultra-Low Power RS-485/RS-422 Transceiver with Low EMI and +/-10kV ESD Protection
ADM1487JR 制造商:Analog Devices 功能描述:LINE TRNSCVR 1TR 1TX 1RX 8SOIC - Bulk
ADM1490E 制造商:AD 制造商全称:Analog Devices 功能描述:16 Mbps, ESD Protected, Full-Duplex RS-485 Transceivers
ADM1490EBRMZ 功能描述:IC TXRX RS485 FULL DUPLEX 8MSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器,接收器,收发器 系列:- 产品培训模块:RS-232 & USB Transceiver 标准包装:2,000 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-SSOP(0.209",5.30mm 宽) 供应商设备封装:16-SSOP 包装:带卷 (TR) 其它名称:296-19849-2