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參數(shù)資料
| 型號： | MAX3222EWN |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | LINE TRANSCEIVER, PDSO18 |
| 封裝： | SO-18 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大小： | 268K |
| 代理商： | MAX3222EWN |
M
3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232
Transceivers Using Four 0.1μF 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 = V
CC
. 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+
V
CC
C4
C3
C1
C2
0.1
μ
F
V
CC
SHDN
*
T_ OUT
T_ IN
GND
V
CC
0V
1000pF
*
MAX3222/MAX3241 ONLY
T1IN
R1OUT
V
CC
= 3.3V
T1OUT
5V/div
5V/div
5V/div
5
μ
s/div
Figure 5. Loopback Test Circuit
Figure 6. MAX3241 Loopback Test Result at 120kbps
T1IN
R1OUT
V
CC
= 3.3V
T1OUT
5V/div
5V/div
2
μ
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
V
CC
= 3.3V
Figure 8. MAX3237 Loopback Test Result at 1000kbps
(MBAUD = V
CC
)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3222EWN+ | 功能描述:RS-232接口集成電路 3-5.5V 235kbps 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: |
| MAX3222EWN+T | 功能描述:RS-232接口集成電路 3-5.5V 235kbps 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: |
| MAX3222EWN-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: |
| MAX3222IDB | 功能描述:RS-232接口集成電路 3-5.5V Multichannel Line Drvr/Rcvr 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: |
| MAX3222IDBE4 | 功能描述:RS-232接口集成電路 3-5.5V Multichannel Line Drvr/Rcvr 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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