CL
參數(shù)資料
型號(hào): MAX3161EEAG+
廠商: Maxim Integrated Products
文件頁數(shù): 5/23頁
文件大?。?/td> 0K
描述: IC TXRX RS232/485/422 24SSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 58
類型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 2/2
規(guī)程: RS232,RS422,RS485
電源電壓: 3 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 24-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 24-SSOP
包裝: 管件
+3.0V to+5.5V, 1A, RS-232/RS-485/422
Multiprotocol Transceivers
Test Circuits (continued)
CL
VCC
OUTPUT
UNDER TEST
S1
S2
500
Ω
Figure 4. RS-485/422 Driver Enable/Disable Timing Test Load
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
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
RE485
Figure 5. RS-485/422 Driver Propagation Delays
Figure 6. RS-485/422 Driver Enable and Disable Times
VOH
VOL
A
B
1V
-1V
VCC/2
OUTPUT
INPUT
RO
tRPLH
tRPHL
VID
CL
A
B
R
RO
Figure 7. RS-485/422 Receiver Propagation Delays
Figure 9. RS-485/422 Receiver Propagation Delays Test Circuit
Figure 8. MAX3162 RS-485/422 Receiver Enable and Disable
Times
Maxim Integrated
13
MAX3160/MAX3161/MAX3162
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