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參數(shù)資料
| 型號(hào)： | MAX3188E |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | RS-232 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | 5V的高速RS - 232收發(fā)器與0.1uF電容 |
| 文件頁(yè)數(shù)： | 4/8頁(yè) |
| 文件大小： | 141K |
| 代理商： | MAX3188E |
Detailed Description
The MAX3188E/MAX3189E are EIA/TIA-232 transmitters
that convert CMOS/TTL logic levels to RS-232 signals.
They operate on ±4.5V to ±6V supplies and feature
enhanced electrostatic discharge protection (see
ESD
Protection
). The MAX3188E guarantees a 250kbps data
rate, and the MAX3189E guarantees a 1Mbps data rate
with worst-case loads of 3k
in parallel with 1000pF.
The MAX3188E/MAX3189E invert the TOUT signal relative
to TIN (standard RS-232). The transmitter input does
not have a pull-up resistor and should be connected to
GND if unused.
Shutdown
The MAX3188E/MAX3189E feature a shutdown input.
Drive
SHDN
low to reduce the supply current to 1μA
(max). Shutdown also forces TOUT into a high-imped-
ance state, allowing the signal line to be safely con-
trolled by other transmitters. Drive
SHDN
high for
normal operation.
ESD Protection
As with all Maxim devices, ESD protection structures are
incorporated on all pins to protect against ESD encoun-
tered during handling and assembly. The MAX3188E/
MAX3189Es’ transmitter output has extra protection
against static electricity. Maxim has developed state-of-
the-art structures enabling this pin to withstand ESD up
M
±15kV ESD-Protected, 1Mbps, 1μA
RS-232 Transmitters in SOT23-6
4
_______________________________________________________________________________________
Pin Description
50%
50%
50%
50%
t
PLH
t
PHL
+5V
-5V
TOUT
TIN
V
IH
V
IL
Figure 1. Transmitter Propagation-Delay Timing
SHDN
TOUT
0
-5V
+5V
0
+2V
1
μ
s/div
MAX3188E
TRANSMITTER OUTPUT
SHUTDOWN WAVEFORM
C
L
= 150pF
SHDN
TOUT
0
-5V
+5V
0
+2V
1
μ
s/div
MAX3189E
TRANSMITTER OUTPUT
SHUTDOWN WAVEFORM
C
L
= 150pF
Typical Operating Characteristics (continued)
(V
CC
= +5.4V, V
EE
= -5.4V, R
L
= 3k
, T
A
= +25°C, unless otherwise noted.)
NAME
FUNCTION
1
SHDN
Active-Low Shutdown. Pull low to
reduce the supply current and to force
TOUT into a high-impedance state.
2
GND
Ground
PIN
3
TIN
TTL/CMOS Transmitter Input
4
TOUT
RS-232 Transmitter Output
6
V
CC
Positive Supply Voltage
5
V
EE
Negative Supply Voltage
相關(guān)PDF資料 |
PDF描述 |
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| MAX3188EEUT-T | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| MAX3189EEUT-T | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| MAX3189 | 2.5-V/3.3-V Oscillator Gain Stage/Buffer with Enable 8-WSON -40 to 85 |
| MAX3189EUT-T | 2.5-V/3.3-V Oscillator Gain Stage/Buffer with Enable 8-WSON -40 to 85 |
| MAX318ESA | Precision, CMOS Analog Switches |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3188EEUT | 制造商:Maxim Integrated Products 功能描述:+-15KV ESD-PROTECTED 1MBPS 1UA RS - Bulk 制造商:Rochester Electronics LLC 功能描述: |
| MAX3188EEUT/GH9-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: |
| MAX3188EEUT+ | 制造商:Maxim Integrated Products 功能描述:LINE TRANSMITTER 1TX 6PIN SOT-23 - Bulk |
| MAX3188EEUT+T | 功能描述:RS-232接口集成電路 1Mbps 1uA RS-232 Transmitter 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: |
| MAX3188EEUT-T | 功能描述:RS-232接口集成電路 1Mbps 1uA RS-232 Transmitter 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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