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参数资料
| 型号： | MAX3380EEUP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/14页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS232 460KBPS 20-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 2/2 |
| 规程： | RS232 |
| 电源电压： | 2.4 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 带卷 (TR) |
MAX3380E/MAX3381E
+2.35V to +5.5V, 1A, 2Tx/2Rx RS-232 Transceivers
with ±15kV ESD-Protected I/O and Logic Pins
12
______________________________________________________________________________________
For Figure 9 and Figure 10, a single transmitter was dri-
ven at 460kbps, and all transmitters were loaded with
an RS-232 receiver in parallel with 1000pF.
Data Cable Applications
The MAX3380E/MAX3381Es’ ±15kV ESD protection on
both the RS-232 I/Os as well as the logic I/Os makes
them ideal candidates for data cable applications. A
data cable is both an electrical connection and a level
translator, allowing ultra-miniaturization of cell phones
and other small portable devices.
Previous data cable approaches suffered from com-
plexity due to the required protection circuits on both
the logic side of the cable, as well as on the RS-232
connections. The example shown in Figure 11 shows
the ease of using the MAX3380E/MAX3381E in data
cable applications. For best performance, keep the
logic level lines short and use the RS-232 level lines to
span any distance.
VCC = VL = +2.5V, C1 = 0.1
μF, C2 = C3 = C4 = 1μF,
CLOAD = 1000pF
TIME (1
μs/div)
T1IN
2V/div
T1OUT
5V/div
R1OUT
2V/div
0
5V
0
-5V
2V
0
2V
Figure 10. Loopback Test Results at 460kbps (VCC = +2.5V)
VCC = VL = +4.2V, C1 = 0.1
μF, C2 = C3 = C4 = 1μF,
CLOAD = 1000pF
1
μs/div
T1IN
5V/div
T1OUT
5V/div
R1OUT
5V/div
5V
0
5V
0
-5V
5V
0
Figure 9. Loopback Test Results at 460kbps (VCC = +4.2V)
MAX3380E
MAX3381E
5k
Ω
R_ IN
R_ OUT
C2-
C2+
C1-
C1+
V-
V+
VCC
C4
C3
C1
C2
VCC
FORCEOFF
T_ OUT
T_ IN
GND
VCC
FORCEON
1000pF
C5
VL
Figure 8. Loopback Test Circuit
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3381ECUP | 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: |
| MAX3381ECUP+ | 功能描述:RS-232接口集成电路 2.35-5.5V 1uA 2Tx/Rx 460Kbps Transceiver 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: |
| MAX3381ECUP+T | 功能描述:RS-232接口集成电路 2.35-5.5V 1uA 2Tx/Rx 460Kbps Transceiver 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: |
| MAX3381ECUP-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: |
| MAX3381EEUP | 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: |
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