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參數(shù)資料
| 型號： | MAX3227IDBRG4 |
| 廠商： | Texas Instruments |
| 文件頁數(shù)： | 10/16頁 |
| 文件大小： | 0K |
| 描述： | IC RS232 3V5.5V 15KVESD 16-SSOP |
| 標準包裝： | 2,000 |
| 類型： | 收發(fā)器 |
| 驅動器/接收器數(shù)： | 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-SSOP（0.209"，5.30mm 寬） |
| 供應商設備封裝： | 16-SSOP |
| 包裝： | 帶卷 (TR) |
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DIN
DOUT
Auto-Powerdown
Plus
INVALID
RIN
FORCEOFF
FORCEON
ROUT
11
16
9
13
10
8
1
12
READY
3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER
WITH
±15-kV ESD PROTECTION
SLLS673A – AUGUST 2005 – REVISED FEBRUARY 2006
TERMINAL FUNCTIONS
TERMINAL
DESCRIPTION
NAME
NO.
C1+
2
Positive terminal of voltage-doubler charge-pump capacitor
C1–
4
Negative terminal of voltage-doubler charge-pump capacitor
C2+
5
Positive terminal of inverting charge-pump capacitor
C2–
6
Negative terminal of inverting charge-pump capacitor
DIN
11
CMOS driver input
DOUT
13
RS-232 driver output
Force-off input, active low. Drive low to shut down drivers, receivers, and charge pump. This overrides auto-shutdown
FORCEOFF
16
and FORCEON (see Function Table).
Force-on input, active high. Drive high to override powerdown, keeping drivers and receivers on (FORCEOFF must be
FORCEON
12
high) (see Function Table).
GND
14
Ground
INVALID
10
Valid signal detector output, active low. A logic high indicates that a valid RS-232 level is present on a receiver input.
Ready to transmit output, active high. READY is enabled high when V– goes below –3.5 V and the device is ready to
READY
1
transmit.
RIN
8
RS-232 receiver input
ROUT
9
CMOS receiver output
V+
3
+2
× V
CC generated by the charge pump
V–
7
–2
× V
CC generated by the charge pump
VCC
15
3-V to 5.5-V single-supply voltage
LOGIC DIAGRAM (POSITIVE LOGIC)
3
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