- 制造厂商：AD
- 产品类别：RS-232-RS-422-RS-485
- 技术类目：隔离式 RS-485 接口
- 功能描述：5.7 kV RMS全双工25 Mbps信号和电源隔离RS-485收发器，提供±15 kV IEC ESD保护
- （AD代理渠道，提供当日发货、严格的质量标准，满足您的目标价格）
ADM2867E和同一系列中的待定产品（在数据手册中，每页顶部为浅蓝色，文本为灰色）均为5.7 kV rms信号和电源隔离式RS-485收发器。这些器件使用隔离电源和接地引脚上的两个小型外部0402铁氧体，通过了符合EN 55032 B类标准的辐射发射测试，在2层印刷电路板(PCB)上具有裕量。该器件集成了低电磁干扰(EMI)、隔离式DC-DC转换器，无需外部隔离电源。该隔离栅不受系统级电磁兼容性(EMC)标准的影响。该系列的隔离器器件在RS-485 A、B、Y和Z引脚上提供±12 kV接触和±15 kV空气IEC61000-4-2 ESD保护。这些器件还具有电缆反相引脚，允许用户快速校正A、B、Y和Z总线引脚上的反向电缆连接，同时保持完整的接收器故障安全性能。
提供在长电缆传输中针对低速进行优化的压摆率限制版本，且最大数据速率为500 kbps。提供半双工和全双工版本。该全双工通用器件支持独立的驱动器和接收器电缆反相，以实现额外的灵活性。
“待定产品”部分提供有关以下待定产品的其他初始信息：ADM2861E、ADM2863E和ADM2865E（参见数据手册中的表21）。
数据手册中的表17显示了每个通用器件的概要说明。
应用
- 采暖、通风和空调 (HVAC) 网络
- 工业现场总线
- 楼宇自动化
- 公共设施网络
- 电表
- 5.7 kV rms隔离RS-485/RS-422收发器
- 集成低辐射的隔离式DC-DC转换器
- 符合EN55032 B类标准，在2层PCB上具有裕量
- 电缆反相智能特性
- 校正A、B、Y和Z总线引脚上的反向电缆连接，同时保持完整的接收器故障安全特性
- RS-485 A、B、Y和Z引脚提供ESD保护
- IEC61000-4-2接触放电：≥±12 kV
- IEC61000-4-2空气放电：≥±15 kV
- 高速数据速率：25 Mbps (ADM2865E/ADM2867E)
- 用于EMI控制的低速500 kbps数据速率(ADM2861E/ADM2863E)
- 灵活的电源
- 输入VCC电源电压范围：3 V至5.5 V
- 逻辑VIO电源电压范围：1.7 V至5.5 V
- VSEL引脚用于选择5 V(VCC > 4.5 V)或3.3 V的VISO电源电压
- PROFIBUS兼容5 V VISO
- 宽工作温度范围：−40°C至+105°C
- 高共模瞬变抗扰度：250 kV/μs
- 短路、开路和输入悬空接收器故障安全
- 支持196总线节点（接收器输入阻抗：72 kΩ）
- 完全支持热插拔（无毛刺上电/关断）
- 安全和法规认证（申请中）
- CSA元件验收通知5A、DIN V VDE V 0884-11、UL 1577、CQC11-471543-2012、IEC 61010-1
- 28引脚、细间距SOIC_W封装(10.15 mm × 10.05 mm)，超过8.0 mm的爬电距离和电气间隙
ADM2867EBRNZ，封装：28-Lead SOIC (Wide, Finer Pitch)，包装形式及数量：管装，46，工作温度：-40 to 105C，AD官网报价：8.28（100-499个）；7.19（1000+个）
ADM2867EBRNZ-RL7，封装：28-Lead SOIC (Wide, Finer Pitch)，包装形式及数量：卷带，400，工作温度：-40 to 105C，AD官网报价：8.28（100-499个）；7.19（1000+个）
EVAL-ADM2867EEBZ：ADM2867E Evaluation Board
The EVAL-ADM2867EEBZ allows the simplified, efficient evaluation of the 5.7 kV rms ADM2867E signal and power isolated RS-485 transceiver.
The ADM2867E features an integrated, isolated, dc-to-dc converter that provides power to the isolated side of the device with no additional ICs required.
An on-board ADP7104 low dropout (LDO) regulator accepts an input voltage of 3.3 V to 20 V and regulates the voltage to a selectable 3.3 V or 5 V supply for the VCC pin of the ADM2867E. The LDO regulator can be bypassed to power the VCC pin of the ADM2867E directly.
A flexible logic VIO supply allows the device to operate with a digital input/output (I/O) voltage from 1.7 V to 5.5 V, which enables communication with modern nodes using either a 1.8 V or 2.5 V power supply. The VIO pin can also be supplied from the ADP7104 regulated supply.
The EVAL-ADM2867EEBZ comes with options to evaluate the ADM2867E in an individual system. Digital and RS-485 bus signals are accessible via the screw terminal blocks on the EVALADM2867EEBZ. Each digital input can be configured via the on-board jumper options.
Alternative methods can provide the transmit data input (TxD) signal to the device. An optional LTC6900 oscillator is included on the EVAL-ADM2867EEBZ and can be configured to provide a clock signal as the TxD digital input within a 1 kHz to 20 MHz range. For optimal signal integrity, use the on-board Subminiature Version A (SMA) connector to connect an external TxD signal at high data rates up to 25 Mbps.
The EVAL-ADM2867EEBZ has a footprint for the full duplex, isolated, RS-485 transceiver in a 10.15 mm × 10.05 mm, 28-lead, small outline, wide body with fine pitch (SOIC_W_FP) package. The EVAL-ADM2867EEBZ is populated with the ADM2867E 5.7 kV rms, isolated RS-485 transceiver.
For full details on the ADM2867E, see the ADM2867E data sheet, which must be used in conjunction with this user guide when using the EVAL-ADM2867EEBZ.
EVAL-ADM2867EEBZ：ADM2867E Evaluation Board
The EVAL-ADM2867EEBZ allows the simplified, efficient evaluation of the 5.7 kV rms ADM2867E signal and power isolated RS-485 transceiver.
The ADM2867E features an integrated, isolated, dc-to-dc converter that provides power to the isolated side of the device with no additional ICs required.
An on-board ADP7104 low dropout (LDO) regulator accepts an input voltage of 3.3 V to 20 V and regulates the voltage to a selectable 3.3 V or 5 V supply for the VCC pin of the ADM2867E. The LDO regulator can be bypassed to power the VCC pin of the ADM2867E directly.
A flexible logic VIO supply allows the device to operate with a digital input/output (I/O) voltage from 1.7 V to 5.5 V, which enables communication with modern nodes using either a 1.8 V or 2.5 V power supply. The VIO pin can also be supplied from the ADP7104 regulated supply.
The EVAL-ADM2867EEBZ comes with options to evaluate the ADM2867E in an individual system. Digital and RS-485 bus signals are accessible via the screw terminal blocks on the EVALADM2867EEBZ. Each digital input can be configured via the on-board jumper options.
Alternative methods can provide the transmit data input (TxD) signal to the device. An optional LTC6900 oscillator is included on the EVAL-ADM2867EEBZ and can be configured to provide a clock signal as the TxD digital input within a 1 kHz to 20 MHz range. For optimal signal integrity, use the on-board Subminiature Version A (SMA) connector to connect an external TxD signal at high data rates up to 25 Mbps.
The EVAL-ADM2867EEBZ has a footprint for the full duplex, isolated, RS-485 transceiver in a 10.15 mm × 10.05 mm, 28-lead, small outline, wide body with fine pitch (SOIC_W_FP) package. The EVAL-ADM2867EEBZ is populated with the ADM2867E 5.7 kV rms, isolated RS-485 transceiver.
For full details on the ADM2867E, see the ADM2867E data sheet, which must be used in conjunction with this user guide when using the EVAL-ADM2867EEBZ.
