參數(shù)資料
型號(hào)： MAX3237EAI
廠商： Maxim Integrated Products
文件頁數(shù)： 3/17頁
文件大?。?/td> 0K
描述： IC TXRX RS232 1MBPS LP 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(dòng)器/接收器數(shù)： 5/3
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： 28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 管件
MAX3222/MAX3232/MAX3237/MAX3241
3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232
Transceivers Using Four 0.1F External Capacitors
______________________________________________________________________________________
11
High Data Rates
The MAX3222/MAX3232/MAX3241 maintain the RS-232
±5.0V minimum transmitter output voltage even at high
data rates. Figure 5 shows a transmitter loopback test
circuit. Figure 6 shows a loopback test result at
120kbps, and Figure 7 shows the same test at 235kbps.
For Figure 6, all transmitters were driven simultaneously
at 120kbps into RS-232 loads in parallel with 1000pF.
For Figure 7, a single transmitter was driven at 235kbps,
and all transmitters were loaded with an RS-232 receiver
in parallel with 1000pF.
The MAX3237 maintains the RS-232 ±5.0V minimum
transmitter output voltage at data rates up to 1Mbps.
Figure 8 shows a loopback test result at 1Mbps with
MBAUD = VCC. For Figure 8, all transmitters were
loaded with an RS-232 receiver in parallel with 250pF.
MAX3222
MAX3232
MAX3237
MAX3241
5k
R_ IN
R_ OUT
EN
*
C2-
C2+
C1-
C1+
V-
V+
VCC
C4
C3
C1
C2
0.1
F
VCC
SHDN
*
T_ OUT
T_ IN
GND
VCC
0V
1000pF
*MAX3222/MAX3237/MAX3241 ONLY
T1IN
R1OUT
VCC = 3.3V
T1OUT
5V/div
5
s/div
Figure 5. Loopback Test Circuit
Figure 6. MAX3241 Loopback Test Result at 120kbps
T1IN
R1OUT
VCC = 3.3V
T1OUT
5V/div
2
s/div
5V/div
Figure 7. MAX3241 Loopback Test Result at 235kbps
+5V
0V
+5V
0V
-5V
+5V
0V
T_IN
T_OUT = R_IN
5k
+ 250pF
R_OUT
150pF
200ns/div
VCC = 3.3V
Figure 8. MAX3237 Loopback Test Result at 1000kbps
(MBAUD = VCC)
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參數(shù)描述
MAX3237EAI+ 功能描述:RS-232接口集成電路 3-5.5V 1Mbps 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:
MAX3237EAI+T 功能描述:RS-232接口集成電路 3-5.5V 1Mbps 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:
MAX3237EAI-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:
MAX3237ECAI 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:
MAX3237ECAI+ 功能描述:RS-232接口集成電路 3-5.5V 1Mbps 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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