參數(shù)資料
型號(hào): MAX3222EEUP+TG071
廠商: Maxim Integrated Products
文件頁數(shù): 3/22頁
文件大?。?/td> 0K
描述: TXRX RS-232 ESD PROTECT 20TSSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 2/2
規(guī)程: RS232
電源電壓: 3 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 帶卷 (TR)
±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V,
Up to 1Mbps, True RS-232 Transceivers
ESD protection can be tested in various ways; the
transmitter outputs and receiver inputs for the
MAX3222E/MAX3232E/MAX3241E/MAX3246E are
characterized for protection to the following limits:
±15kV using the Human Body Model
±8kV using the Contact Discharge method specified
in IEC 1000-4-2
±9kV (MAX3246E only) using the Contact Discharge
method specified in IEC 1000-4-2
±15kV using the Air-Gap Discharge method speci-
fied in IEC 1000-4-2
CHARGE-CURRENT-
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
100pF
RC
1M
RD
1500
HIGH-
VOLTAGE
DC
SOURCE
DEVICE-
UNDER-
TEST
Figure 4a. Human Body ESD Test Model
IP 100%
90%
36.8%
tRL
TIME
tDL
CURRENT WAVEFORM
PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
Ir
10%
0
AMPERES
Figure 4b. Human Body Model Current Waveform
CHARGE-CURRENT-
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
150pF
RC
50M
to 100M
RD
330
HIGH-
VOLTAGE
DC
SOURCE
DEVICE-
UNDER-
TEST
Figure 5a. IEC 1000-4-2 ESD Test Model
tr = 0.7ns to 1ns
30ns
60ns
t
100%
90%
10%
I PEAK
I
Figure 5b. IEC 1000-4-2 ESD Generator Current Waveform
Table 1. MAX3222E/MAX3237E/MAX3241E/
MAX3246E Shutdown and Enable Control
Truth Table
SHDN
EN
T_OUT
R_OUT
R_OUTB
(MAX3237E/
MAX3241E)
0
High
impedance
Active
0
1
High
impedance
High
impedance
Active
1
0
Active
1
Active
High
impedance
Active
Maxim Integrated
11
MAX3222E/MAX3232E/MAX3237E/
MAX3241E/MAX3246E
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