參數(shù)資料
型號： MAX3185
廠商： Maxim Integrated Products, Inc.
英文描述： 3V, ±15kV ESD-Protected, AutoShutdown Plus RS-232 Transceiver for PDAs and Cell Phones(3V, ±15kV ESD保護,自動關(guān)斷，用于PDA和蜂窩式手機的RS-232收發(fā)器（5收3發(fā)）)
中文描述： ±15kV ESD保護、符合EMC標準、230kbps RS-232串口，適用于主板/臺式PC
文件頁數(shù)： 5/8頁
文件大?。?/td> 64K
代理商： MAX3185
_______________Detailed Desc ription
±15kV ES D Protec tion
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 MAX3185 driver outputs and receiver
inputs have extra protection against static electricity
found in normal operation. Maxim’s engineers devel-
oped state-of-the-art structures to protect these pins
against ESD of ±15kV, without damage. After an ESD
event, the MAX3185 continues working without latchup.
ESD protection can be tested in several ways. The
transmitter outputs and the receiver inputs are charac-
terized for protection to the following:
1) ±15kV using the Human Body Model
2) ±8kV using the Contact-Discharge Method specified
in IEC1000-4-2 (formerly IEC801-2)
3) ±15kV using the Air-Gap Method specified in
IEC1000-4-2 (formerly IEC801-2)
ES D T est Conditions
ESD performance depends on a number of conditions.
Contact Maxim for a reliability report that documents
test setup, methodology, and results.
M
±15kV ESD-Protected, EMC-Compliant, 230kbps
RS-232 Serial Port for Motherboards/Desktop PCs
_______________________________________________________________________________________
5
______________________________________________________________Pin Desc ription
PIN
NAME
FUNCTION
1
V
DD
Supply-Voltage Input, +10.8V to +13.2V
12, 14, 17, 18, 19
R5OUT–R1OUT
Receiver Outputs, swing between GND and V
CC
16, 15, 13
T3IN, T2IN, T1IN
Transmitter Inputs
10
V
SS
Supply-Voltage Input, -10.8V to -13.2V
11
GND
Ground. Connect system to ground.
2, 3, 4, 7, 9
R1IN–R5IN
Receiver Inputs
5, 6, 8
T1OUT, T2OUT, T3OUT
Transmitter Outputs, swing between V
DD
and V
SS
20
V
CC
Supply-Voltage Input, +4.5V to +5.5V
CHARGE-CURRENT
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
150pF
R
C
50M to 100M
R
D
330
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
t
r
= 0.7ns to 1ns
30ns
60ns
t
100%
90%
10%
I
P
I
Figure 1a. IEC1000-4-2 ESD Test Model
Figure 1b. IEC1000-4-2 ESD-Generator Current Waveform
相關(guān)PDF資料
PDF描述
MAX3185CAP 2.5-V/3.3-V Oscillator Gain Stage/Buffer with Enable 8-WSON -40 to 85
MAX3185EAP 2.5-V/3.3-V Oscillator Gain Stage/Buffer with Enable 8-WSON -40 to 85
MAX3185CWP 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
MAX3187CAX 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
MAX3187 2.5-V/3.3-V Oscillator Gain Stage/Buffer with Enable 8-WSON -40 to 85
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