參數(shù)資料
型號: MAX3045BEWE+
廠商: Maxim Integrated Products
文件頁數(shù): 10/15頁
文件大小: 0K
描述: IC RS485/422 TRANS QUAD 16-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 46
類型: 發(fā)射器
驅(qū)動器/接收器數(shù): 4/0
規(guī)程: RS422,RS485
電源電壓: 4.75 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC W
包裝: 管件
MAX3040–MAX3045
±10kV ESD-Protected, Quad 5V RS-485/RS-422
Transmitters
4
_______________________________________________________________________________________
Note 1: All currents into the device are positive; all currents out of the device are negative. All voltages are referenced to device
ground unless otherwise noted.
Note 2:
VOD and VOC are the changes in VOD and VOC, respectively, when the transmitter input changes state.
Note 3: This input current level is for the hot-swap enable (EN_, EN, EN) inputs and is present until the first transition only. After the
first transition the input reverts to a standard high-impedance CMOS input with input current IIN. For the first 20s the input
current may be as high as 1mA. During this period the input is disabled.
Note 4: Maximum current level applies to peak current just prior to foldback-current limiting. Minimum current level applies during
current limiting.
SWITCHING CHARACTERISTICS—MAX3041/MAX3044 (continued)
(VCC = +5V ±5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.)
SWITCHING CHARACTERISTICS—MAX3042B/MAX3045B
(VCC = +5V ±5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Maximum Data Rate
fMAX
20
Mbps
tPLH
23
40
Driver Propagation Delay
tPHL
Figures 2 and 3,
RDIFF = 54
, CDIFF = 50pF
23
40
ns
tF
17
Driver Differential Output
Rise-Time/Fall-Time
tR
Figures 2 and 3,
RDIFF = 54
, CDIFF = 50pF
17
ns
tDSKEW
Different chips
±8
Skew Driver to Driver
tSSKEW
Same chip
Figures 2 and 3,
RDIFF = 54
,
CDIFF = 50pF
±8
ns
Differential Driver Output Skew
| t PLH - tPHL |
tSKEW
Figures 2 and 3,
RDIFF = 54
, CDIFF = 50pF
±8ns
Driver Enable to Output High
tZH
MAX3042B, Figures 4 and 5, S2 closed,
RL = 500
, CL = 100pF
300
ns
Driver Enable from Shutdown to
Output High
tZH(SHDN)
Figures 4 and 5, S2 closed,
RL = 500
, CL = 100pF
300
ns
Driver Enable to Output Low
tZL
MAX3042B, Figures 4 and 5, S1 closed,
RL = 500
, CL = 100pF
300
ns
Driver Enable from Shutdown to
Output Low
tZL(SHDN)
Figures 4 and 5, S1 closed,
RL = 500
, CL = 100pF
300
ns
Driver Disable Time from Low
tLZ
Figures 4 and 5, S1 closed,
RL = 500
, CL = 15pF
400
ns
Driver Disable Time from High
tHZ
Figures 4 and 5, S2 closed,
RL = 500
, CL = 15pF
400
ns
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Driver Enable from Shutdown to
Output High
tZH(SHDN)
Figures 4 and 5, S2 closed,
RL = 500
, CL = 100pF
400
ns
Driver Enable to Output Low
tZL
MAX3041, Figures 4 and 5, S1 closed,
RL = 500
, CL = 100pF
400
ns
Driver Enable from Shutdown to
Output Low
tZL(SHDN)
Figures 4 and 5, S1 closed,
RL = 500
, CL = 100pF
400
ns
Driver Disable Time from Low
tLZ
Figures 4 and 5, S1 closed,
RL = 500
, CL = 15pF
500
ns
Driver Disable Time from High
tHZ
Figures 4 and 5, S2 closed,
RL = 500
, CL = 15pF
500
ns
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