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参数资料
| 型号： | MAX3250CAI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/10页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS-232 250KBPS 28-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 2/2 |
| 规程： | RS232 |
| 电源电压： | 3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 带卷 (TR) |
MAX3250
±50V Isolated, 3.0V to 5.5V,
250kbps, 2 TX/2 RX, RS-232 Transceiver
_______________________________________________________________________________________
5
Pin Description
PIN
NAME
FUNCTION
1
C1-
Negative Terminal of the Power Isolation Capacitor. Connect a 100V capacitor from C1- to C1+.
See Table 1 for values.
2
R1OUT
TTL/CMOS Receiver Output
3
R2OUT
TTL/CMOS Receiver Output
4
T1IN
TTL/CMOS Transmitter Input
5
T2IN
TTL/CMOS Transmitter Input
6, 22, 23
N.C.
No Connection. Not internally connected.
7
N.C.
No Connection. Leave unconnected or connect to ISOCOM.
8
C1+
Positive Terminal of the Power Isolation Capacitor. Connect a 100V capacitor from C1+ to C1-.
See Table 1 for values.
9
C3+
Positive Terminal of the Voltage-Doubler Charge-Pump Capacitor. Connect a 0.1F capacitor from
C3+ to C3-.
10
V+
+5.5V Generated by the Charge Pump, Referenced to ISOCOM. Bypass V+ to ISOCOM with a
0.47F capacitor.
11
C3-
Negative Terminal of the Voltage-Doubler Charge-Pump Capacitor. Connect a 0.1F capacitor from
C3- to C3+.
12
C4+
Positive Terminal of the Inverting Charge-Pump Capacitor. Connect a 0.47F capacitor from
C4+ to C4-.
13
C4-
Negative Terminal of the Inverting Charge-Pump Capacitor. Connect a 0.47F capacitor from
C4- to C4+.
14
V-
-5.5V Generated by the Charge Pump, Referenced to ISOCOM. Bypass V- to ISOCOM with a 0.47F
capacitor.
15
ISOCOM
Isolated Ground
16
T2OUT
RS-232 Transmitter Output
17
T1OUT
RS-232 Transmitter Output
18
R2IN
RS-232 Receiver Input
19
R1IN
RS-232 Receiver Input
20
ISOVCC
Internally Generated Isolated Power-Supply Voltage, Referenced to ISOCOM. Bypass ISOVCC to
ISOCOM with a 2.2F capacitor.
21
C2+
Positive Terminal of the Power Isolation Capacitor. Connect a 100V capacitor from C2+ to C2-.
See Table 1 for values.
24
SHDN
Shutdown Control. Drive SHDN low to enter low-power shutdown mode. Drive SHDN high or connect
to VCC for normal operation.
25
FAULT
Overvoltage Indicator. Active low, open drain.
26
GND
Ground
27
C2-
Negative Terminal of the Power Isolation Capacitor. Connect a 100V capacitor from C2- to C2+.
See Table 1 for values.
28
VCC
3.0V to 5.5V Supply Voltage. Bypass VCC to GND with a 1F capacitor.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3250EAI | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX3250EAI+ | 功能描述:RS-232接口集成电路 3-5.5V 250kbps Transceiver RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX3250EAI+ | 制造商:Maxim Integrated Products 功能描述:IC RS232 TRANSCEIVER 250KBPS 5 |
| MAX3250EAI+T | 功能描述:RS-232接口集成电路 3-5.5V 250kbps Transceiver RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX3250EAI-T | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
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