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参数资料
| 型号： | ADM1181AARWZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 12/16页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS-232 5V 15KV 16SOIC |
| 标准包装： | 1,000 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 2/2 |
| 规程： | RS232 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 带卷 (TR) |
ADM202E/ADM1181A
Rev. C | Page 5 of 16
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
14
13
12
11
16
15
10
9
8
1
2
3
4
7
6
5
TOP VIEW
(Not to Scale)
C1+
R1IN
T1OUT
GND
VCC
V+
C1–
C2+
T2IN
T1IN
R1OUT
C2–
V–
T2OUT
R2IN
R2OUT
ADM202E
ADM1181A
00066-003
Figure 3. Pin Configuration
Table 3. Pin Function Descriptions
Pin No.
Mnemonic
Description
16
VCC
Power Supply Input: 5 V ± 10%.
2
V+
Internally Generated Positive Supply (+9 V nominal).
6
V
Internally Generated Negative Supply (9 V nominal).
15
GND
Ground Pin. Must be connected to 0 V.
1, 3
C1+, C1
External Capacitor 1 is connected between these pins. A 0.1 F capacitor is recommended, but larger
capacitors of up to 47 F can be used.
4, 5
C2+, C2
External Capacitor 2 is connected between these pins. A 0.1 F capacitor is recommended, but larger
capacitors of up to 47 F can be used.
10, 11
TIN
Transmitter (Driver) Inputs. These inputs accept TTL/CMOS levels.
7, 14
TOUT
Transmitter (Driver) Outputs. These are RS-232 signal levels (typically ±9 V).
8, 13
RIN
Receiver Inputs. These inputs accept RS-232 signal levels. An internal 5 k pull-down resistor to GND is
connected on each input.
9, 12
ROUT
Receiver Outputs. These are CMOS output logic levels.
*INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT
C1+
C1–
C2+
C2–
VCC
10V
V+
V–
+5V TO +10V
VOLTAGE
DOUBLER
5V INPUT
C3
6.3V
+10V TO –10V
VOLTAGE
INVERTER
C4
10V
T1OUT
T1IN
C5
T2OUT
T2IN
ADM202E
R1OUT
R2OUT
R1IN
R2IN
CMOS
INPUTS
CMOS
OUTPUTS
EIA/TIA-232
OUTPUTS
EIA/TIA-232
INPUTS
*
GND
T1
T2
R1
R2
0.1
F
0.1
F
0.1
F
0.1
F
0.1
F
13
1
3
4
5
11
10
12
9
15
8
7
14
6
2
16
00066-004
Figure 4. ADM202E Typical Operating Circuit
*INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT
C1+
C1–
C2+
C2–
VCC
0.1
F
10V
V+
V–
+5V TO +10V
VOLTAGE
DOUBLER
5V INPUT
C3
10V
+10V TO –10V
VOLTAGE
INVERTER
C4
0.1
F
10V
T1OUT
T1IN
C5
0.1
F
10V
T2OUT
T2IN
ADM1181A
R1OUT
R2OUT
R1IN
R2IN
CMOS
INPUTS
CMOS
OUTPUTS
EIA/TIA-232
OUTPUTS
EIA/TIA-232
INPUTS
*
GND
T1
T2
R1
R2
0.1
F
0.1
F
13
1
3
4
5
11
10
12
9
15
8
7
14
6
2
16
00066-005
Figure 5. ADM1181A Typical Operating Circuit
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