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參數(shù)資料
| 型號(hào)： | DS275N+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX LINE-PWR RS232 8-DIP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 類型： | 收發(fā)器 |
| 驅(qū)動(dòng)器/接收器數(shù)： | 1/1 |
| 規(guī)程： | RS232 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 8-PDIP |
| 包裝： | 管件 |
1 of 8
112299
FEATURES
Low-power serial transmitter/receiver for
battery-backed systems
Transmitter steals power from receive signal
line to save power
Ultra-low static current, even when connected
to RS-232-E port
Variable transmitter level from +5 to +12
volts
Compatible with RS-232-E signals
Available in 8-pin, 150 mil wide SOIC
package (DS275S)
Low-power CMOS
ORDERING INFORMATION
DS275
8-pin DIP
DS275S
8-pin SOIC
DS275E
14-pin TSSOP
PIN ASSIGNMENT
PIN DESCRIPTION
RXOUT
- RS-232 Receiver Output
VDRV
- Transmit driver +V
TXIN
- RS-232 Driver Input
GND
- System Ground (0V)
TXOUT
- RS-232 Driver Output
NC
- No Connection
RXIN
- RS-232 Receive Input
VCC
-System Logic Supply (+5V)
DESCRIPTION
The DS275 Line-Powered RS-232 Transceiver Chip is a CMOS device that provides a low-cost, very
low-power interface to RS-232 serial ports. The receiver input translates RS-232 signal levels to common
CMOS/TTL levels. The transmitter employs a unique circuit which steals current from the receive RS-
232 signal when that signal is in a negative state (marking). Since most serial communication ports
remain in a negative state statically, using the receive signal for negative power greatly reduces the
DS275’s static power consumption. This feature is especially important for battery-powered systems such
as laptop computers, remote sensors, and portable medical instruments. During an actual communication
session, the DS275’s transmitter will use system power (5-12 volts) for positive transitions while still
employing the receive signal for negative transitions.
DS275
Line-Powered RS-232 Transceiver Chip
www.dalsemi.com
DS275 8-Pin DIP (300-mil)
DS275 8-Pin SOIC (150-mil)
7
TXIN
VCC
NC
1
2
3
4
8
6
5
VDRV
GND
RXOUT
RXIN
TXOUT
DS275E 14-Pin TSSOP
13
VDRV
TXIN
GND
VCC
RXIN
NC
TXOUT
1
2
3
4
5
6
7
14
12
11
10
9
8
NC
RXOUT
NC
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS275N+ | 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: |
| DS275S | 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: |
| DS275S/T&R | 制造商:Maxim Integrated Products 功能描述:IC TXRX LINE-PWR RS232 IND 8SOIC |
| DS275S/T&R | 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: |
| DS275S+ | 功能描述:RS-232接口集成電路 Line-Powered RS-232 Transceiver Chip 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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