參數(shù)資料
型號(hào)： MXL1535EEWI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 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)： 22/25頁(yè)
文件大?。?/td> 794K
代理商： MXL1535EEWI
±15kV ESD Protection
As with all Maxim devices, ESD-protection structures
are incorporated on all pins to protect against electro-
static discharges encountered during handling and
assembly. The driver outputs and receiver inputs have
extra protection against static electricity. Maxim’s engi-
neers have developed state-of-the-art structures to pro-
tect these pins against ESD of ±15kV without damage.
The ESD structures withstand high ESD in all states.
After an ESD event, the MAX3535E/MXL1535E keep
working without latchup. ESD protection can be tested
in various ways. The transmitter outputs and receiver
inputs of this product family are characterized for pro-
tection to ±15kV using the Human Body Model.
ESD Test Conditions
The ±15kV ESD test specifications apply only to the A,
B, Y, and Z I/O pins. The test surge is referenced to
GND2. All remaining pins are ±2kV ESD protected.
Human Body Model
Figure 14 shows the Human Body Model, and Figure
15 shows the current waveform it generates when dis-
charged into low impedance. This model consists of a
100pF capacitor charged to the ESD voltage of interest,
which is then discharged into the test device through a
1.5k
resistor.
M
+3V to +5V, 2500V
RMS
Isolated RS-485/RS-422
Transceivers with ±15kV ESD Protection
22
______________________________________________________________________________________
Table 6. Transformers for MAX3535E at +3.3V
MANUFACTURER
PART
NUMBER
ISOLATION
VOLTAGE (1s)
PHONE
NUMBER
WEBSITE
TGM-040
TGM-240
TGM-340
TGM-340
500V
RMS
2000V
RMS
3000V
RMS
4500V
RMS
HALO Electronics, Inc.
650-903-3800
www.haloelectronics.com/6pin.html
BH Electronics, Inc.
500-2582
2000V
RMS
952-894-9590
www.bhelectronics.com/PDFs/DC-
DCConverterTransformers.pdf
Coilcraft, Inc.
Q4470-C
1500V
RMS
800-322-2645
44-1236-730595
www.coilcraft.com/minitrans.cfm
78253335
76253335
95062
95063
EPC3115S-2
T-1107
1500V
4000V
1250V
1250V
700V DC
1800V
RMS
Newport/C&D Technologies
520-295-4300
www.dc-dc.com/products/productline.aspED=9
Midcom, Inc.
605-886-4385
www.midcom-inc.com
PCA Electronics, Inc.
Rhom b us Ind ustr es, Inc.
818-894-5791
714-898-0960
www.pca.com/Datasheets/EPC3117S-X.pdf
www.rhombus-ind.com/pt-cat/maxim.pdf
Premier Magnetics Inc.
PM-SM16
1500V
RMS
949-452-0511
www.premiermag.com/pdf/pmsm15.pdf
CHARGE-CURRENT-
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
100pF
R
C
1M
R
D
1500
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
Figure 14. Human Body ESD Test Model
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