μF* V
參數(shù)資料
型號： MAX213EEAI
廠商： Maxim Integrated Products
文件頁數(shù)： 26/26頁
文件大?。?/td> 0K
描述： IC TXRX RS232 5V 28-SSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 46
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 4/5
規(guī)程： RS232
電源電壓： 4.5 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 管件
±15kV ESD-Protected, +5V RS-232 Transceivers
V+
MAX2_ _E
0.1
μF*
VCC
0.1
μF*
T_
R_
0.1
μF*
C1+
C1-
C2+
C2-
VCC
T_OUT
R_OUT
EN (EN)
SHDN (SHDN)
400k
Ω
5k
Ω
0.1
μF*
0.1
μF*
3k
Ω
+5V
R_IN
T_IN
MINIMUM SLEW-RATE TEST CIRCUIT
0V (+5V)
2500pF
V-
V+
0.1
μF*
VCC
0.1
μF*
R_
T_
0.1
μF*
C1+
C1-
C2+
C2-
VCC
T_OUT
R_OUT
EN (EN)
SHDN (SHDN)
400k
Ω
5k
Ω
0.1
μF*
0.1
μF*
7k
Ω
+5V
R_IN
T_IN
MAXIMUM SLEW-RATE TEST CIRCUIT
0V (+5V)
50pF
V-
( ) ARE FOR MAX213E
* 1
μF FOR MAX232E/MAX241E
MAX2_ _E
TRANSMITTER INPUT PULL-UP RESISTORS, ENABLE, AND SHUTDOWN ARE NOT PROVIDED ON THE MAX202E, MAX203E, AND MAX232E.
ENABLE AND SHUTDOWN ARE NOT PROVIDED ON THE MAX207E AND MAX208E.
Figure 3. Transition Slew-Rate Circuit
_______________Detailed Description
The MAX202E–MAX213E, MAX232E/MAX241E consist of
three sections: charge-pump voltage converters,
drivers (transmitters), and receivers. These E versions
provide extra protection against ESD. They survive
±15kV discharges to the RS-232 inputs and outputs,
tested using the Human Body Model. When tested
according to IEC1000-4-2, they survive ±8kV contact-
discharges and ±15kV air-gap discharges. The rugged
E versions are intended for use in harsh environments
or applications where the RS-232 connection is
frequently changed (such as notebook computers). The
standard (non-“E”) MAX202, MAX203, MAX205–
MAX208, MAX211, MAX213, MAX232, and MAX241 are
recommended for applications where cost is critical.
+5V to ±10V Dual Charge-Pump
Voltage Converter
The +5V to ±10V conversion is performed by dual
charge-pump voltage converters (Figure 4). The first
charge-pump converter uses capacitor C1 to double
the +5V into +10V, storing the +10V on the output filter
capacitor, C3. The second uses C2 to invert the +10V
into -10V, storing the -10V on the V- output filter
capacitor, C4.
In shutdown mode, V+ is internally connected to VCC by
a 1k
Ω pull-down resistor, and V- is internally connected
to ground by a 1k
Ω pull up resistor.
RS-232 Drivers
With VCC = 5V, the typical driver output voltage swing
is ±8V when loaded with a nominal 5k
Ω RS-232
receiver. The output swing is guaranteed to meet
EIA/TIA-232E and V.28 specifications that call for ±5V
minimum output levels under worst-case conditions.
These include a 3k
Ω load, minimum VCC, and
maximum operating temperature. The open-circuit
output voltage swings from (V+ - 0.6V) to V-.
Input thresholds are CMOS/TTL compatible. The
unused drivers’ inputs on the MAX205E–MAX208E,
MAX211E, MAX213E, and MAX241E can be left
unconnected because 400k
Ω pull up resistors to VCC
are included on-chip. Since all drivers invert, the pull up
resistors force the unused drivers’ outputs low. The
MAX202E, MAX203E, and MAX232E do not have pull
up resistors on the transmitter inputs.
Maxim Integrated
9
MAX202E–MAX213E, MAX232E/MAX241E
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MAX213ECWI IC TXRX RS232 5V 28-SOIC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX213EEAI+ 功能描述:RS-232接口集成電路 15kV ESD-Protected 5V RS232 Transceiver 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:
MAX213EEAI+T 功能描述:RS-232接口集成電路 15kV ESD-Protected 5V RS232 Transceiver 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:
MAX213EEAI-T 功能描述:RS-232接口集成電路 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:
MAX213EEWI 功能描述:RS-232接口集成電路 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:
MAX213EEWI+ 功能描述:RS-232接口集成電路 15kV ESD-Protected 5V RS232 Transceiver 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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