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參數(shù)資料
| 型號： | MAX563CWN+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS232 DUAL 3.3V 18-SOIC |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1,000 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 2/2 |
| 規(guī)程： | RS562 |
| 電源電壓： | 3 V ~ 3.6 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 18-SOIC（0.295"，7.50mm 寬） |
| 供應商設(shè)備封裝： | 18-SOIC W |
| 包裝： | 帶卷 (TR) |
__________Applications Information
Charge-Pump Capacitor Selection
Normally, 0.1F capacitors can be used for all loca-
tions. To reduce output ripple, increase the values of
the V+ and V- capacitors. If your capacitors have a
very wide tolerance, consider using a nominal value a
little larger than 0.1F to ensure that the actual capaci-
tance does not fall below about 80nF. For circuits
designed to operate over a wide range of tempera-
tures, consider using slightly larger capacitors to com-
pensate for any loss of capacitance at temperature
extremes. No advantage is gained by using values
larger than 10F.
Power-Supply Decoupling
Use a capacitor with the same value as the charge-
pump capacitors.
6
_______________________________________________________________________________________
MAX563
+3.3V-Powered, EIA/TIA-562 Dual Transceiver
with Receivers Active in Shutdown
VCC - 0.6V
EN
INPUT
tER
0.5VCC
RECEIVER
OUTPUT
CL = 150pF
RECEIVER
OUTPUTS
tDR
VOH - 0.1V
VOL + 0.1V
RL = 1k
+0.4V
0V
VCC
EN
INPUT
0V
+3V
0V
V+
V-
+3.7V
-3.7V
0V
1 OR 0
TX
3k
50pF
A. TIMING DIAGRAM
B. TEST CIRCUIT
tDT
SHDN
Figure 4. Receiver Output Enable and Disable Timing
Figure 5. Transmitter Output Disable Timing
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