參數(shù)資料
型號(hào): MAX3111EEWI+G36
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 18/31頁(yè)
文件大?。?/td> 0K
描述: IC TXRX RS232 SPI W/CAP 28-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 25
特點(diǎn): 收發(fā)器
通道數(shù): 1,UART
規(guī)程: RS232,RS485
電源電壓: 3 V ~ 3.6 V
帶IrDA 編碼器/解碼器:
帶故障啟動(dòng)位檢測(cè)功能:
帶CMOS:
安裝類(lèi)型: 表面貼裝
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 28-SOIC W
包裝: 管件
產(chǎn)品目錄頁(yè)面: 1404 (CN2011-ZH PDF)
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
相關(guān)PDF資料
PDF描述
MAX3110ECWI+G36 IC UART/TXRX RS232 W/CAPS 28SOIC
MAX3111ECWI+G36 IC TXRX RS232 SPI W/CAP 28-SOIC
MAX3140CEI+ IC UART SPI MICRWR W/TXRX 28QSOP
MAX3100CPD+ IC UART SPI MICROCOMPATBL 14-DIP
MAX3100CEE+ IC UART SPI/MICRWIRE COMP 16QSOP
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