参数资料
型号: MAX249EQH+TD
厂商: Maxim Integrated Products
文件页数: 9/38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: 500
类型: 收发器
驱动器/接收器数: 6/10
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: 带卷 (TR)
+5V-Powered, Multichannel RS-232
Drivers/Receivers
TOP VIEW
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
VCC
GND
T1OUT
R1IN
C2+
C1-
V+
C1+
+
MAX220
MAX232
MAX232A
R1OUT
T1IN
T2IN
R2OUT
R2IN
T2OUT
V-
C2-
DIP/SO
V+
V-
2 +10V
C1+
C1
C2
1
3
4
5
11
10
12
9
6
14
7
13
8
T1IN
R1OUT
T2IN
R2OUT
T1OUT
R1IN
T2OUT
R2IN
+5V INPUT
C2+
-10V
C4
RS-232
OUTPUTS
RS-232
INPUTS
TTL/CMOS
INPUTS
TTL/CMOS
OUTPUTS
GND
15
5k
Ω
5k
Ω
400k
Ω
400k
Ω
+5V
+10V TO -10V
VOLTAGE INVERTER
+5V TO +10V
VOLTAGE DOUBLER
16
C3
C5
CAPACITANCE (
μF)
DEVICE
MAX220
MAX232
MAX232A
C1
0.047
1.0
0.1
C2
0.33
1.0
0.1
C3
0.33
1.0
0.1
C4
0.33
1.0
0.1
C5
0.33
1.0
0.1
C2-
C1-
VCC
5k
Ω
DIP/SO
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
SHDN
VCC
GND
T1OUT
C1-
V+
C1+
(N.C.) EN
R1IN
R1OUT
T1IN
T2IN
T2OUT
V-
C2-
C2+
10
9
R2OUT
R2IN
MAX222
MAX242
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
SHDN
VCC
GND
T1OUT
C1-
V+
C1+
(N.C.) EN
N.C.
R1IN
R1OUT
N.C.
T2OUT
V-
C2-
C2+
12
11
9
10
T1IN
T2IN
R2OUT
R2IN
MAX222
MAX242
SSOP
( ) ARE FOR MAX222 ONLY.
PIN NUMBERS IN TYPICAL OPERATING CIRCUIT ARE FOR DIP/SO PACKAGES ONLY.
V+
V-
3 +10V
C1
C2
2
4
5
6
12
11
13
7
15
8
14
9
T1IN
R1OUT
T2IN
R2OUT
T1OUT
(EXCEPT MAX220)
R1IN
T2OUT
R2IN
+5V INPUT
C2+
-10V
C4
RS-232
OUTPUTS
RS-232
INPUTS
TTL/CMOS
INPUTS
TTL/CMOS
OUTPUTS
GND
16
5k
Ω
400k
Ω
400k
Ω
+5V
+10V TO -10V
VOLTAGE INVERTER
VCC
+5V TO +10V
VOLTAGE DOUBLER
17
C3
C5
1
10
18
SHDN
EN
(N.C.)
ALL CAPACITORS = 0.1
μF
C2-
C1+
C1-
+
TOP VIEW
Figure 5. MAX220/MAX232/MAX232A Pin Configuration and Typical Operating Circuit
Figure 6. MAX222/MAX242 Pin Configurations and Typical Operating Circuit
Maxim Integrated
17
MAX220–MAX249
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