参数资料
型号: MAX3160EEAP+T
厂商: Maxim Integrated Products
文件页数: 6/26页
文件大小: 0K
描述: IC TXRX RS232/485/422 20SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
类型: 收发器
驱动器/接收器数: 2/2
规程: RS232,RS422,RS485
电源电压: 3 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
供应商设备封装: 20-SSOP
包装: 带卷 (TR)
MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
14
______________________________________________________________________________________
Test Circuits (continued)
tPHL
tPLH
50%
VCC
1.5V
+3V
1.5V
INPUT
OUTPUT
0V
50%
GND
tRSKEW = | tPLH - tPHL |
Figure 5. RS-232 Receiver Propagation-Delay Timing
INPUT
OUTPUT
+3V
1.5V
V+
0V
V-
0V
tPLH
tPHL
tSKEW = | tPLH - tPHL |
Figure 6. RS-232 Transmitter Propagation-delay Timing
DI
3V
0
Z
Y
VO
0
-VO
VO
1.5V
tDPLH
1/2 VO
10%
tDR
90%
tDPHL
1.5V
1/2 VO
10%
tDF
VDIFF = Vy - Vz
VDIFF
tDSKEW = | tDPLH - tDPHL |
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0
Y, Z
VOL
Y, Z
0
1.5V
VOL + 0.5V
VOH - 0.5V
2.3V
tDZL
tDLZ
tDZH
tDHZ
DE485
Figure 7. RS-485/RS-422 Driver Propagation Delays
Figure 8. RS-485/RS-422 Driver Enable and Disable Times
VOH
VOL
A
B
1V
-1V
VCC/2
OUTPUT
INPUT
RO
tRPLH
tRPHL
tRSKEW = | tRPLH - tRPHL |
VID
CL
A
B
R
RO
Figure 9. RS-485/RS-422 Receiver Propagation Delays
Figure 11. RS-485/RS-422 Receiver Propagation Delays Test
Circuit
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0
VCC
RO
0
1.5V
VOL + 0.5V
VOH - 0.5V
1.5V
tRZL
tRLZ
tRZH
tRHZ
RE232 OR RE485
Figure 10. MAX3162 RS-485/RS-422 and RS-232 Receiver
Enable and Disable Times
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