參數(shù)資料
型號(hào)： MAX211CDBG4
廠(chǎng)商： Texas Instruments, Inc.
英文描述： 5-V MULTICHANNEL RS-232 LINE DRIVER/RECEVER
中文描述： 的5V多通道的RS - 232線(xiàn)路驅(qū)動(dòng)器/ RECEVER
文件頁(yè)數(shù)： 3/20頁(yè)
文件大小： 354K
代理商： MAX211CDBG4
MAX211
5V MULTICHANNEL RS232 LINE DRIVER/RECEIVER
WITH ±15kV ESD PROTECTION
SLLS567E MAY 2003 REVISED JANUARY 2004
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
capacitor selection
The capacitor type used for C1C4 is not critical for proper operation. The MAX211 requires 0.1-
F capacitors,
although capacitors up to 10
F can be used without harm. Ceramic dielectrics are suggested for the 0.1-F
capacitors. When using the minimum recommended capacitor values, make sure the capacitance value does
not degrade excessively as the operating temperature varies. If in doubt, use capacitors with a larger (e.g., 2
×)
nominal value. The capacitors’ effective series resistance (ESR), which usually rises at low temperatures,
influences the amount of ripple on V+ and V.
Use larger capacitors (up to 10
F) to reduce the output impedance at V+ and V.
Bypass VCC to ground with at least 0.1 F. In applications sensitive to power-supply noise generated by the
charge pumps, decouple VCC to ground with a capacitor the same size as (or larger than) the charge-pump
capacitors (C1C4).
electrostatic discharge (ESD) protection
Texas Instruments MAX211 devices have standard ESD protection structures incorporated on the pins to
protect against electrostatic discharges encountered during assembly and handling. In addition, the RS232 bus
pins (driver outputs and receiver inputs) of these devices have an extra level of ESD protection. Advanced ESD
structures were designed to successfully protect these bus pins against ESD discharge of
±15 kV when powered
down.
ESD test conditions
ESD testing is stringently performed by TI, based on various conditions and procedures. Please contact TI for
a reliability report that documents test setup, methodology, and results.
Human-Body Model
The Human-Body Model (HBM) of ESD testing is shown in Figure 7. Figure 8 shows the current waveform that
is generated during a discharge into a low impedance. The model consists of a 100-pF capacitor charged to
the ESD voltage of concern and subsequently discharged into the DUT through a 1.5-k
resistor.
+
DUT
RD
1.5 k
VHBM
100 pF
CS
Figure 7. HBM ESD Test Circuit
相關(guān)PDF資料
PDF描述
MAX211CDBR 5-V MULTICHANNEL RS-232 LINE DRIVER/RECEVER
MAX211CDB 5-V MULTICHANNEL RS-232 LINE DRIVER/RECEVER
MAX211C 5-V MULTICHANNEL RS-232 LINE DRIVER/RECEVER
MAX3227C 3-V TO 5.5-V TWO-CHANNEL RS-232 1-MBIT/S LINE DRIVERS/RECEIVERS WITH 【15-kV IEC ESD PROTECTION
MAX3227I 3-V TO 5.5-V TWO-CHANNEL RS-232 1-MBIT/S LINE DRIVERS/RECEIVERS WITH 【15-kV IEC ESD PROTECTION
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX211CDBR 功能描述:RS-232接口集成電路 5V MultiCh Line Driver/Receiver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX211CDBRE4 功能描述:RS-232接口集成電路 5V MultiCh Line Driver/Receiver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX211CDBRG4 功能描述:RS-232接口集成電路 5V Multich RS-232 Line Driver/Receiver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX211CDW 功能描述:RS-232接口集成電路 5V MultiCh Line Driver/Receiver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX211CDWE4 功能描述:RS-232接口集成電路 5V MultiCh Line Driver/Receiver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
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