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参数资料
| 型号： | DS276S+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/11页 |
| 文件大小： | 0K |
| 描述： | IC TXRX LOW POWER RS-232 8-SOIC |
| 标准包装： | 2,500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS232 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
DS276
4 of 11
two similar devices over short distances, and into larger loads than the 3 k
=RS-232 standard (Figure 2).
If Vdrv+ is increased to 5V, and Vdrv- decreased (to less than -2V) communication with standard RS-232
devices is possible, although of course the output voltage swing of the DS276 remains below the RS-232
specification. The Vdrv- supply can be derived using the “stealing” technique shown in Figure 4.
5V OPERATION
The use of a single 5V supply for VCC and Vdrv+, and Vdrv- derived using the circuit in Figure 4 can
produce reliable communication with standard RS-232 devices, although the DS276 output voltage
swings are below the RS-232 minimum (Figure 3).
Increasing the magnitude of the voltage to Vdrv+ to 10 volts or more will result in “true” RS-232 output
voltage levels.
SINGLE 3V OPERATION Figure 2
(See Note 3)
SINGLE 5V OPERATION Figure 3
(not true RS-232)
(See Note 1 and 3)
"STEALING" NEGATIVE SUPPLY Figure 4
(See Note 2)
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相关代理商/技术参数 |
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| DS2770 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Battery Monitor and Charge Controller |
| DS2770AE | 制造商:Maxim Integrated Products 功能描述:BAT MONITOR CHARGE CNTRL VCV=4.1 - Rail/Tube |
| DS2770AE/R | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Battery Monitor and Charge Controller |
| DS2770AE/T | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Battery Monitor and Charge Controller |
| DS2770AE/T&R | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Battery Monitor and Charge Controller |
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