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參數(shù)資料
| 型號： | DS276S |
| 英文描述： | Low Power Transceiver Chip |
| 中文描述： | 低功耗收發(fā)器芯片 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大小： | 132K |
| 代理商： | DS276S |
DS276
5 of 11
NOTES:
1.
This circuit as shown does not meet the RS-232 requirement for signal levels (high-level output
voltage). However, as most RS-232 receivers will interpret any voltage over 2V as a space this will
normally be of no consequence. Alternatively, V
DRV+
can be supplied independently from a higher
voltage supply.
2.
The capacitor is charged negatively whenever RX
IN
is in a marking (or idle) state. When the DS276 is
transmitting marking data and RX
IN
is spacing the capacitor will discharge towards ground with a
time constant determined by the capacitor value and the value of the load resistance. The value shown
should store sufficient charge for reliable operation up to 20 kbps.
3.
RX
IN
must never be allowed to reach a negative voltage with respect to V
DRV-
or excessive currents
will be drawn. Therefore, if negative voltage swings are present on RX
IN
, V
DRV-
should not be
connected to ground and the circuit shown in Figure 4 should be used.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS276 | Low Power Transceiver Chip |
| DS27 | Analog IC |
| DD210 | Analog IC |
| DD212 | Analog IC |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS276S/T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS276S/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: |
| DS276S/T&R/C03 | 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: |
| DS276S/T&R+C03 | 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: |
| DS276S+ | 功能描述:RS-232接口集成電路 Low Power 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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