参数资料
型号: MAX244EQH+D
厂商: Maxim Integrated Products
文件页数: 13/38页
文件大小: 0K
描述: IC RS-232 DRVR/RCVR 44-PLCC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 28
类型: 收发器
驱动器/接收器数: 8/10
规程: RS232
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 44-LCC(J 形引线)
供应商设备封装: 44-PLCC(16.59x16.59)
包装: 管件
+5V-Powered, Multichannel RS-232
Drivers/Receivers
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
T5IN
N.C.
SHDN
T2IN
T2OUT
T1OUT
T5OUT
T4IN
T3IN
V-
C1+
VCC
GND
T1IN
12
11
9
10
C2-
C2+
C1-
V+
DIP/SO
MAX230
V+
V-
9
C1+
C1-
8
10
11
12
5
4
14
13
2
3
1
20
T3IN
T4IN
T2IN
T5IN
T1OUT
T2OUT
+5V INPUT
C2+
C2-
RS-232
OUTPUTS
TTL/CMOS
INPUTS
GND
6
400k
Ω
+5V
400k
Ω
+5V
400k
Ω
+5V
400k
Ω
+5V
400k
Ω
+5V
+10V TO -10V
VOLTAGE INVERTER
VCC
+5V TO +10V
VOLTAGE DOUBLER
7
1.0
μF
1.0
μF
1.0
μF
1.0
μF
19
15
16
T3OUT
T4OUT
18
x
T1IN
T3OUT
T4OUT
T5OUT
17
1.0
μF
T2
T3
T4
T5
N.C.
SHDN
T1
+
TOP VIEW
Figure 9. MAX230 Pin Configuration and Typical Operating Circuit
V+
V-
14
C1+
C1-
1
2
8
7
3
11
4
T2IN
T1IN
T1OUT
T2OUT
+5V INPUT
RS-232
INPUTS
TTL/CMOS
OUTPUTS
GND
12 (14)
5k
Ω
5k
Ω
+12V TO -12V
VOLTAGE CONVERTER
13 (15)
1.0
μF
1.0
μF
C2
1.0
μF
400k
Ω
+5V
400k
Ω
+5V
6
9
10
R1IN
R2IN
R2OUT
R1OUT
5
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
V+
VCC
GND
T1OUT
T2OUT
V-
C-
C+
MAX231
R1IN
R1OUT
T1IN
N.C.
T2IN
R2OUT
R2IN
SO
(12)
RS-232
OUTPUTS
TTL/CMOS
INPUTS
(11)
(13)
(10)
VCC
PIN NUMBERS IN ( ) ARE FOR SO PACKAGE.
14
13
12
11
10
9
8
1
2
3
4
5
6
7
V+
VCC
GND
T1OUT
T2OUT
V-
C-
C+
MAX231
R1IN
R1OUT
T1IN
T2IN
R2OUT
R2IN
DIP
+7.5V TO +12V
(16)
T1
T2
R1
R2
+
TOP VIEW
Figure 10. MAX231 Pin Configurations and Typical Operating Circuit
20
Maxim Integrated
MAX220–MAX249
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