參數(shù)資料
型號(hào): HIN208
廠商: Intersil Corporation
英文描述: 5V Powered RS-232 Transmitters/Receivers Features(正5伏電源電壓RS-232收發(fā)器)
中文描述: 5V的供電RS - 232發(fā)送器/接收功能(正5伏電源電壓的RS - 232收發(fā)器)
文件頁數(shù): 10/19頁
文件大?。?/td> 493K
代理商: HIN208
10
Application Information
The HIN2XX may be used for all RS-232 data terminal and
communication links. It is particularly useful in applications
where
±
12V power supplies are not available for
conventional RS-232 interface circuits. The applications
presented represent typical interface configurations.
A simple duplex RS-232 port with CTS/RTS handshaking is
illustrated in Figure 9. Fixed output signals such as DTR
(data terminal ready) and DSRS (data signaling rate select)
is generated by driving them through a 5kW resistor
connected to V+.
In applications requiring four RS-232 inputs and outputs
(Figure 10), note that each circuit requires two charge pump
capacitors (C1 and C2) but can share common reservoir
capacitors (C3 and C4). The benefit of sharing common
reservoir capacitors is the elimination of two capacitors and
the reduction of the charge pump source impedance which
effectively increases the output swing of the transmitters.
Typical Performance Curves
FIGURE 5.
V- SUPPLY VOLTAGE vs V
CC
FIGURE 6. V+, V- OUTPUT VOLTAGE vs LOAD
12
10
8
6
4
2
0
3.5
4.0
4.5
V
CC
6.0
V
5.0
5.5
3.0
0.1
μ
F
35
|I
LOAD
| (mA)
V+ (V
CC
= 4V)
V+ (V
CC
= 5V)
V- (V
CC
= 5V)
V- (V
CC
= 4V)
T
A
= 25°C
TRANSMITTER OUTPUTS
OPEN CIRCUIT
30
25
20
15
10
5
0
S
0
12
10
8
6
4
2
Test Circuits (HIN202)
FIGURE 7. GENERAL TEST CIRCUIT
FIGURE 8. POWER-OFF SOURCE RESISTANCE
CONFIGURATION
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
C1+
V+
C1-
C2+
C2-
V-
R2
IN
T2
OUT
V
CC
T1
OUT
R1
IN
R1
OUT
T1
IN
T2
IN
R2
OUT
GND
+4.5V TO
+5.5V INPUT
3k
T1 OUTPUT
RS-232
±
30V INPUT
TTL/CMOS OUTPUT
TTL/CMOS INPUT
TTL/CMOS INPUT
TTL/CMOS OUTPUT
+
-
0.1
μ
F
C3
+
-
0.1
μ
F
C1
+
-
0.1
μ
F
C2
+
-
0.1
μ
F C4
3k
OUTPUT
RS-232
±
30V INPUT
T2
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
C1+
V+
C1-
C2+
C2-
V-
R2
IN
T2
OUT
V
CC
T1
OUT
R1
IN
R1
OUT
T1
IN
T2
IN
R2
OUT
GND
T2
OUT
T1
OUT
V
IN
=
±
2V
A
R
OUT
= V
IN
/I
HIN202, HIN206, HIN207, HIN208, HIN211, HIN213
相關(guān)PDF資料
PDF描述
HIN209 5V Powered RS-232 Transmitters/Receivers Features(正5伏電源電壓RS-232收發(fā)器)
HIN233 5V Powered RS-232 Transmitters/Receivers(正5V電源電壓、RS-232收發(fā)器)
HIN231 5V Powered RS-232 Transmitters/Receivers(正5V電源電壓、2發(fā)2收RS-232收發(fā)器)
HIN234 5V Powered RS-232 Transmitters/Receivers(正5V電源電壓、RS-232收發(fā)器)
HIN235 5V Powered RS-232 Transmitters/Receivers(正5V電源電壓、RS-232收發(fā)器)
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