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參數(shù)資料
| 型號： | MAX3045BEWE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 10/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RS485/422 TRANS QUAD 16-SOIC |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1,000 |
| 類型： | 發(fā)射器 |
| 驅動器/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） |
| 供應商設備封裝： | 16-SOIC W |
| 包裝： | 帶卷 (TR) |
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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