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參數(shù)資料
| 型號(hào)： | MAX3238EEAI |
| 廠(chǎng)商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 通用總線(xiàn)功能 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | TRIPLE LINE TRANSCEIVER, PDSO28 |
| 封裝： | 5.30 MM, 0.65 MM PITCH, SSOP-28 |
| 文件頁(yè)數(shù)： | 13/14頁(yè) |
| 文件大小： | 235K |
| 代理商： | MAX3238EEAI |
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M
+3.0V to +5.5V, 10nA, 250kbps RS-232 Transceivers
with ±15kV ESD-Protected I/O and Logic Pins
______________________________________________________________________________________
13
MAX3238E
MAX3248E
RS-232
OUTPUTS
LOGIC
INPUTS
RS-232
INPUTS
LOGIC
OUTPUTS
*C3 MAY BE RETURNED TO EITHER V
CC
OR GND.
FORCEOFF
INVALID
AutoShutdown Plus
FORCEON
T1IN
T1OUT
T2IN
T2OUT
T3IN
T3OUT
T4IN
T4OUT
T5IN
5
6
7
10
12
T5OUT
15
24
23
22
19
C1+
V
CC
V+
C1-
C2+
V-
C2-
27
26
4
28
0.1
μ
F
0.1
μ
F
0.1
μ
F
1
μ
F
+3.3V
25
1
3
17
R1OUTB
16
R1OUT
8
R1IN
21
R2OUT
9
R2IN
20
R3OUT
11
5k
5k
5k
GND
2
R3IN
18
14
13
T1
T2
T3
T4
T5
R1
R2
R3
0.1
μ
F*
Typical Operating Circuit
___________________Chip Information
TRANSISTOR COUNT: 2110
and Figure 10 shows the same test at 250kbps. For
Figure 9, all transmitters were driven simultaneously at
120kbps into RS-232 loads in parallel with 1000pF. For
Figure 10, a single transmitter was driven at 250kbps,
and all transmitters were loaded with an RS-232 receiv-
er in parallel with 1000pF.
Data Cable Applications
The MAX3238E/MAX3248Es’ ±15kV ESD protection on
both the RS-232 I/Os as well as the logic I/Os makes
them ideal candidates for data cable applications. A
data cable is both an electrical connection and a level
translator, allowing ultra-miniaturization of cell phones
and other small portable devices.
Previous data cable approaches suffered from com-
plexity due to the required protection circuits on both
the logic side of the cable as well as on the RS-232
connections. The example shown in Figure 10 shows
the ease of using the MAX3238E/MAX3248E in data
cable applications.
The MAX3238E/MAX3248Es’ five-transmitter and three-
receiver configuration is optimized for a data communi-
cation equipment (DCE) application, allowing full hard-
ware handshaking. The 9-pin RS-232 connector is
configured for direct attachment to a PC’s serial port.
R1OUTB is also connected to the subminiature con-
nector. This allows the remote system to shut down
until the PC asserts the ready to send (RTS) signal.
R1OUTB stays active when the MAX3238E/MAX3248E
is shut down (
FORCEOFF
= GND).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3238EEAI+ | 功能描述:RS-232接口集成電路 3-5.5V 250kbps 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: |
| MAX3238EEAI+T | 功能描述:RS-232接口集成電路 3-5.5V 250kbps 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: |
| MAX3238EEAI-T | 功能描述:RS-232接口集成電路 3-5.5V 250kbps 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: |
| MAX3238EECAI | 制造商:Exar Corporation 功能描述:Line Transceiver, 5-Driver, 3-Receiver, 28 Pin, Plastic, SSOP |
| MAX3238EEEAI | 制造商:Exar Corporation 功能描述:Line Transceiver, 5-Driver, 3-Receiver, 28 Pin, Plastic, SSOP |
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