參數資料
型號: MAX13237EETE+T
廠商: Maxim Integrated Products
文件頁數: 6/16頁
文件大小: 0K
描述: TXRX RS-232 3MBPS 1X1 16TQFN
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1
類型: 收發(fā)器
驅動器/接收器數: 1/1
規(guī)程: RS232
電源電壓: 3 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 16-WQFN 裸露焊盤
供應商設備封裝: 16-TQFN-EP(5x5)
包裝: 標準包裝
其它名稱: MAX13237EETE+TDKR
MAX13234E–MAX13237E
3Mbps RS-232 Transceivers with
Low-Voltage Interface
14
______________________________________________________________________________________
2
s/div
T1IN
T1OUT
R1OUT
3V/div
5V/div
VCC = 3.3V
Figure 12. Loopback Test Results at 120kbps
100ns/div
T1IN
T1OUT
R1OUT
3.3V/div
5V/div
3.3V/div
VCC = 3.3V
Figure 13. Loopback Test Results at 3Mbps
T_IN
R_OUT
FORCEON
FORCEOFF
C1+
C1-
C2+
C2-
*C3 CAN BE RETURNED TO VCC OR GND.
VL
VCC
1.62V to VCC
VCC
V+
V-
CBYPASS2
GND
T_OUT
R_IN
MAX13236E
MAX13237E
5k
C4
1000pF
C3*
C1
C2
CBYPASS1
VCC
Figure 11. Loopback Test Circuit
Chip Information
PROCESS: BiCMOS
High Data Rates
The MAX13234E–MAX13237E maintain the RS-232 ±5V
minimum transmitter output voltage even at high data
rates. Figure 11 shows a transmitter loopback test cir-
cuit. Figure 12 shows a loopback test result at
120kbps, and Figure 13 shows the same test at 3Mbps.
In Figure 12, all transmitters were driven simultaneously
at 120kbps into RS-232 loads in parallel with 1000pF.
In Figure 13, a single transmitter was driven at 3Mbps,
and all transmitters were loaded with an RS-232 receiv-
er in parallel with 150pF.
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