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参数资料
| 型号： | MAX3111ECNI |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 18/31页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS232 SPI INT-CAP 28-DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 14 |
| 特点： | 收发器 |
| 通道数： | 1，UART |
| 规程： | RS232，RS485 |
| 电源电压： | 3 V ~ 3.6 V |
| 带IrDA 编码器/解码器： | 是 |
| 带故障启动位检测功能： | 是 |
| 带CMOS： | 是 |
| 安装类型： | 通孔 |
| 封装/外壳： | 28-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 28-PDIP |
| 包装： | 管件 |
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High Data Rates
The MAX3110E/MAX3111E maintain the RS-232 ±5.0V
minimum transmitter output-voltage specification even
at the highest guaranteed data rate. Figure 10 shows a
transmitter loopback test circuit. Figure 11 shows a
loopback test result at 120kbps, and Figure 12 shows
the same test at 250kbps. For Figure 11, both transmit-
ters are driven simultaneously at 120kbps into an RS-
232 receiver in parallel with 1000pF. For Figure 12, a
single transmitter is driven at 250kbps, and both trans-
mitters are loaded with an RS-232 receiver in parallel
with 1000pF.
Interconnection with 3.3V and 5V Logic
The MAX3110E/MAX3111E can directly interface with
various 3.3V and 5V logic families, including ACT and
HCT CMOS. See Table 9 for more information on possi-
ble combinations of interconnections.
Typical Applications
The MAX3110E/MAX3111E each contain a UART, two
RS-232 drivers, and two RS-232 receivers in one pack-
age. The standard RS-232 typical operating circuit is
shown in Figure 13.
SPI/MICROWIRE-Compatible UART and ±15kV ESD-
Protected RS-232 Transceivers with Internal Capacitors
2
μs/div
T1IN
T1OUT
R1OUT
5V/div
VCC = 3.3V (MAX3111E), VCC = 5.0V (MAX3110E)
Figure 11. Loopback Test Result at 120kbps
MAX3110E
MAX3111E
5k
R_ IN
R_ OUT
C2-
C2+
C1-
C1+
V-
V+
VCC
0.1
μF
VCC
SHDN
T_ OUT
T_ IN
GND
VCC
1000pF
Figure 10. Loopback Test Circuit
2
μs/div
T1IN
T1OUT
R1OUT
5V/div
VCC = 3.3V (MAX3111E), VCC = 5.0V (MAX3110E)
Figure 12. Loopback Test Result at 250kbps
RX
TX
VCC
SHDN
232 ACTIVE
232 SHUTDOWN
DIN
DOUT
SCLK
CS
IRQ
100k
μP
RS-232 I/O
C2+
GND
C2-
V+
V-
C1+
C1-
MAX3110E
MAX3111E
CTS
R2OUT
R1OUT
T1IN
T2IN
T1OUT
X2
X1
RTS
R1IN
R2IN
T2OUT
Figure 13. RS-232 Typical Operating Circuit
Maxim Integrated
25
MAX3110E/MAX3111E
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| MAX3111ECNI+G36 | 功能描述:UART 接口集成电路 5V SPI/uWire Compatible RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
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| MAX3111ECWI | 功能描述:UART 接口集成电路 RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| MAX3111ECWI+ | 制造商:Maxim Integrated Products 功能描述:LINE TRNSCVR 2TR 2TX 2RX 28SOIC W - Rail/Tube |
| MAX3111ECWI+G36 | 功能描述:UART 接口集成电路 5V SPI/uWire Compatible RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
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