01 / 产品信息
产品概述
Analog Devices MAX14942GWE+T（接口收发器（隔离式RS-485/RS-422））适用于 UART、CAN、RS-485 与总线收发等通信场景。原装正品，速率、协议兼容与封装以官方 Datasheet 为准。欢迎咨询报价与现货。
- 厂商
- ADI
- 型号
- MAX14942GWE+T
- 品类
- 接口收发器（隔离式RS-485/RS-422）
- 封装
- SOIC
- 包装
- 卷带
- 成色
- 全新原装
- 合规
- RoHS-compliant
- 生命周期
- 与原厂确认
- 交期 / 最小起订量
- 以报价为准
02 / 技术资料
技术参数
45 项结构与连接
- VDDA
- 1.71
- VDDB
- 4.5
- IDDA
- 4
- IDDB
- 7.6
- connected, no bus load, VDDB =
- 5V
- old VUVLOB VDDB rising
- 2.55
- old Hysteresis VUVHYSTB
- 200
- Load Regulation
- 0.19
- Line Regulation VLDO = 5.68V to 14V, ILOAD = 2
- 0mA
- Line Regulation VLDO = 5.68V to 14V, ILOAD = 20mA
- 0.12 mV/V
- Load Capacitance Nominal value (Note 8) 1
- 10
- 0V ≤ VRXD ≤ VDDA, RE = low
- +40
- ISH_PD
- +40
- 7V ≤ VCM ≤ +12V, Figure 1b 1.5
- 5
- Load Capacitance Nominal value (Note 8)
- 10 µF
- Input Hysteresis VHYS RE, TXD, DE, PV to
- 220 mV
- Input Capacitance CIN RE, TXD, DE, PV, f = 1MHz
- 2 pF
- RXD to GNDA, IOUT = 4mA
- 0.40
- 7V ≤ VCM ≤ +12V, Figure 1b
- 5
- VODPP Figure 2 (Note 5) 4.0
- 6.8
- ΔVOD RL = 54Ω (Note 6) -0.2 +
- 0.2
- VOC RL = 54Ω, Figure 1a 1.8
- 3
- ΔVOC RL = 54Ω, Figure 1a (Note 6) -0.2 +
- 0.2
- VIN = +12V +
- 250
性能与环境
- Undervoltage Lockout Thresh- VUVLOA VDDA rising
- 1.50
- Undervoltage Lockout Thresh- VUVHYSTA
- 50
- LDO Supply Voltage VLDO Relative to GNDB, LDO is on (N
- 4.68
- LDO Supply Current
- 7.7
- LDO Output Voltage
- 4.5
- LDO Current Limit
- 300
- LDO Supply Voltage VLDO Relative to GNDB, LDO is on (Note 4)
- 14 V
- Dropout Voltage VLDO = 4.68V, IDDB = 120mA 100
- 180
- Input Pull-Up Current IPU TXD, PV -10 -4.5
- 1.5
- Input Pull-Down Current IPD DE, RE 1.5 4.5
- 10
- SBA Pull-Up Resistance RSBA MAX14942 only 3 5
- 8
- Tri-State Output Current IOZ 0V ≤ VRXD ≤ VDDA, RE = high -1
- +1
- Dropout Voltage VLDO = 4.68V, IDDB = 120mA
- 100 mV
- Input Pull-Up Current IPU TXD
- 4.5 µA
- Input Pull-Down Current IPD DE
- 4.5 µA
- SBA Pull-Up Resistance RSBA MAX14942 only
- 5 kΩ
- Current
- 42
- Tri-State Output Current IOZ 0V ≤ VRXD ≤ VDDA, RE = high
- +1 µA
- Input Pull-Up Current
- 10
- Input Pull-Down Current
- 1.5
- Tri-State Output Current
- 0V ≤ VRX
03 / 原厂资料
规格与文档
请使用原厂官方文档，在设计定稿前核对电气特性、封装尺寸与工作限值。
请确认当前库存、生产日期代码、包装、价格与交货条款。产品信息不构成约束性报价，最终规格以报价为准。