參數(shù)資料
型號(hào)： MAX3535ECWI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 通用總線功能
英文描述： +3V to +5V, 2500VRMS Isolated RS-485/RS-422 Transceivers with 【15kV ESD Protection
中文描述： LINE TRANSCEIVER, PDSO28
封裝： SOIC-28
文件頁(yè)數(shù)： 20/25頁(yè)
文件大?。?/td> 794K
代理商： MAX3535ECWI
Transformer Selection
The MXL1535E is a pin-for-pin compatible upgrade of
the LTC1535, making any transformer designed for that
device suitable for the MXL1535E (see Table 4). These
transformers all have a turns ratio of about 1:1.3CT.
The MAX3535E can operate with any of the transformers
listed in Table 4, in addition to smaller, thinner transform-
ers designed for the MAX845 and MAX253. The 420kHz
transformer driver operates with single primary and cen-
ter-tapped secondary transformers. When selecting a
transformer, do not exceed its ET product, the product of
the maximum primary voltage and half the highest period
of oscillation (lowest oscillating frequency). This ensures
that the transformer does not enter saturation. Calculate
the minimum ET product for the transformer primary as:
ET = V
MAX
/ (2 x f
MIN
)
where, V
MAX
is the worst-case maximum supply voltage,
and f
MIN
is the minimum frequency at that supply voltage.
Using +5.5V and 290kHz gives a required minimum ET
M
+3V to +5V, 2500V
RMS
Isolated RS-485/RS-422
Transceivers with ±15kV ESD Protection
20
______________________________________________________________________________________
TGM-250
1/2
BAT54C
TRANSFORMER
DRIVER
BARRIER
TRANSCEIVER
ISOLATION BARRIER
BARRIER
TRANSCEIVER
1/2
BAT54C
VOLTAGE
REGULATOR
GND2
+5V
DRIVER
RECEIVER
A
B
Y
Z
Y
Z
SLO
RO2
ST1
RO1
RO
RE
DE
DI
DI
GND1
ST2
V
CC2
V
CC1
V
CC2
0.1
μ
F
0.1
μ
F
CONTROL GROUND
RS-422 GROUND
10
μ
F
10
μ
F
MAX3535E
MXL1535E
MAX488
R
D
A
B
120
120
R
D
D
R
Figure 12. Using the MAX3535E/MXL1535E as an RS-422 Line Repeater
V
CC1
R
OH
R
OH
R
OL
R
OL
TRANSFORMER DRIVER OUTPUT STAGE
TRANSFORMER
PRIMARY
GND1
ST1
ST2
Figure 13. Transformer Driver Output Stage
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3535ECWI+ 功能描述:RS-422/RS-485 接口 IC 3-5V 2500Vrms Iso Transceiver RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3535ECWI+T 功能描述:RS-422/RS-485 接口 IC 3-5V 2500Vrms Iso Transceiver RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3535ECWI-T 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3535EEVKIT+ 功能描述:RS-422/RS-485 接口 IC MAX3535E Evaluation Kit RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3535EEWI 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
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