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| 型号： | MAX3188EEUT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/8页 |
| 文件大小： | 0K |
| 描述： | IC TX RS232 ESD SGL SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 发射器 |
| 驱动器/接收器数： | 1/0 |
| 规程： | RS232 |
| 电源电压： | 4.5 V ~ 6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-6 |
| 包装： | 标准包装 |
| 其它名称： | MAX3188EEUT+TDKR |
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 1A
(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
MAX3188E/MAX3189E
±15kV ESD-Protected, 1Mbps, 1A
RS-232 Transmitters in SOT23-6
4
_______________________________________________________________________________________
Pin Description
50%
tPLH
tPHL
+5V
-5V
TOUT
TIN
VIH
VIL
Figure 1. Transmitter Propagation-Delay Timing
SHDN
TOUT
0
-5V
+5V
0
+2V
1
s/div
MAX3188E
TRANSMITTER OUTPUT
SHUTDOWN WAVEFORM
MAX3188E/9E toc07
CL = 150pF
SHDN
TOUT
0
-5V
+5V
0
+2V
1
s/div
MAX3189E
TRANSMITTER OUTPUT
SHUTDOWN WAVEFORM
MAX3188E/9E toc08
CL = 150pF
Typical Operating Characteristics (continued)
(VCC = +5.4V, VEE = -5.4V, RL = 3k
, TA = +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
VCC
Positive Supply Voltage
5
VEE
Negative Supply Voltage
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3188EUT | 制造商:Maxim Integrated Products 功能描述:1 MBPS 1UA RS-232 TRANSMITTER IN - Cut Tape Product |
| MAX3188EUT+T | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX3188EUT-T | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX3189EEUT | 制造商:Maxim Integrated Products 功能描述:+-15KV ESD-PROTECTED 1MBPS 1UA RS - Cut Tape Product |
| MAX3189EEUT+ | 制造商:Maxim Integrated Products 功能描述:LINE TRANSMITTER 1TX 6PIN SOT-23 - Rail/Tube 制造商:Maxim Integrated Products 功能描述:RS-232 Transmitters, MAX3189EEUT+ |
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