SN65HVD21 扩展共模 RS-485 收发器
The transceivers in the HVD2x family offer performance far exceeding typical RS-485 devices. In addition to meeting all requirements of the TIA/EIA-485-A standard, the HVD2x family operates over an extended range of common-mode voltage, and has features such as high ESD protection, wide receiver hysteresis, and failsafe operation. This family of devices is ideally suited for long-cable networks, and other applications where the environment is too harsh for ordinary transceivers.
These devices are designed for bidirectional data transmission on multipoint twisted-pair cables. Example applications are digital motor controllers, remote sensors and terminals, industrial process control, security stations, and environmental control systems
|
SN65HVD20 |
SN65HVD21 |
SN65HVD21A |
SN65HVD22 |
SN65HVD23 |
SN65HVD24 |
| Drivers Per Package |
1 |
1 |
1 |
1 |
1 |
1 |
| Receivers Per Package |
1 |
1 |
1 |
1 |
1 |
1 |
| Supply Voltage(s)(V) |
5 |
5 |
5 |
5 |
5 |
5 |
| ESD(kV) |
16 |
16 |
16 |
16 |
16 |
16 |
| Temp Range(C) |
-40 to 85 |
-40 to 85 |
|
-40 to 85 |
-40 to 85 |
-40 to 85 |
| Signaling Rate(Mbps) |
25 |
5 |
6 |
0.5 |
25 |
3 |
| ICC(Max)(mA) |
9 |
12 |
12 |
9 |
11 |
14 |
| Fail Safe |
Idle, Open, Short |
Idle, Open, Short |
Idle, Open, Short |
Idle, Open, Short |
Open, Short |
Open, Short |
| Isolated |
No |
No |
No |
No |
No |
No |
| # of TX/RX |
1 TX / 1 RX |
1 TX / 1 RX |
1 TX / 1 RX |
1 TX / 1 RX |
1 TX / 1 RX |
1 TX / 1 RX |
| Common Mode Range |
-20 to 25 |
-20 to 25 |
-20 to 25 |
-20 to 25 |
-20 to 25 |
-20 to 25 |
| Number of Nodes |
64 |
256 |
256 |
256 |
64 |
256 |
| Duplex |
Half |
Half |
Half |
Half |
Half |
Half |
| Footprint |
SN75176 |
SN75176 |
SN75176 |
SN75176 |
SN75176 |
SN75176 |
| Comments |
Wide Common Mode, 25 Mbps |
Wide Common Mode, 5 Mbps |
Wide common mode, 6Mbps |
Wide Common Mode, 0.5 Mbps |
Receiver Equalization, Wide Common Mode, 25 Mbps |
Receiver Equalization, Wide Common Mode, 3 Mbps |
| Pin/Package |
8PDIP, 8SOIC |
8PDIP, 8SOIC |
8SOIC |
8PDIP, 8SOIC |
8PDIP, 8SOIC |
8PDIP, 8SOIC |
| Rating |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
| Fault Protection(V) |
-27 to 27 |
-27 to 27 |
-27 to 27 |
-27 to 27 |
-27 to 27 |
-27 to 27 |
SN65HVD21 特性
- Common-Mode Voltage Range (–20 V to 25 V)
More Than Doubles TIA/EIA-485 Requirement
- Receiver Equalization Extends Cable Length,
Signaling Rate (HVD23, HVD24)
- Reduced Unit-Load for up to 256 Nodes
- Bus I/O Protection to Over 16-kV HBM
- Failsafe Receiver for Open-Circuit,
Short-Circuit and Idle-Bus Conditions
- Low Standby Supply Current 1-uA Max
- More Than 100 mV Receiver Hysteresis
- APPLICATIONS
- Long Cable Solutions
- Factory Automation
- Security Networks
- Building HVAC
- Severe Electrical Environments
- Electrical Power Inverters
- Industrial Drives
SN65HVD21 芯片订购指南
| 器件 |
状态 |
温度 |
价格 |
封装 | 引脚 |
封装数量 | 封装载体 |
丝印标记 |
| SN65HVD21D |
ACTIVE |
-40 to 85 |
1.70 | 1ku |
SOIC (D) | 8 |
75 | TUBE |
|
| SN65HVD21DG4 |
ACTIVE |
-40 to 85 |
1.70 | 1ku |
SOIC (D) | 8 |
75 | TUBE |
|
| SN65HVD21DR |
ACTIVE |
-40 to 85 |
1.40 | 1ku |
SOIC (D) | 8 |
2500 | LARGE T&R |
|
| SN65HVD21DRG4 |
ACTIVE |
-40 to 85 |
1.40 | 1ku |
SOIC (D) | 8 |
2500 | LARGE T&R |
|
| SN65HVD21P |
ACTIVE |
-40 to 85 |
1.70 | 1ku |
PDIP (P) | 8 |
50 | TUBE |
|
| SN65HVD21PE4 |
ACTIVE |
-40 to 85 |
1.70 | 1ku |
PDIP (P) | 8 |
50 | TUBE |
|
SN65HVD21 质量与无铅数据
| 器件 |
环保计划* |
铅/焊球涂层 |
MSL 等级/回流焊峰 |
环保信息与无铅 (Pb-free) |
DPPM / MTBF / FIT 率 |
| SN65HVD21D |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN65HVD21D |
SN65HVD21D |
| SN65HVD21DG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN65HVD21DG4 |
SN65HVD21DG4 |
| SN65HVD21DR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN65HVD21DR |
SN65HVD21DR |
| SN65HVD21DRG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN65HVD21DRG4 |
SN65HVD21DRG4 |
| SN65HVD21P |
Pb-Free (RoHS) |
CU NIPDAU |
N/A for Pkg Type |
SN65HVD21P |
SN65HVD21P |
| SN65HVD21PE4 |
Pb-Free (RoHS) |
CU NIPDAU |
N/A for Pkg Type |
SN65HVD21PE4 |
SN65HVD21PE4 |
SN65HVD21 应用技术支持与电子电路设计开发资源下载
- SN65HVD21 数据资料 dataSheet 下载.PDF
- TI 德州仪器RS-485选型与价格 . xls
- 所选封装材料的热学和电学性质 (PDF 645 KB)
- 使用数字隔离器设计隔离式 I2C 总线接口 (zhct119.PDF, 339 KB)
- 1Q 2011 Issue Analog Applications Journal (slyt399.PDF, 964 KB)
- 接口选择指南 (Rev. D) (PDF 2994 KB)
- Signaling Rate vs. Distance for Differential Buffers (PDF 420 KB)
- Q1 2009 Issue Analog Applications Journal (slyt319.PDF, 1.39 MB)
- Isolated RS-485 Reference Design (PDF 80 KB)
- 无铅组件涂层的保存期评估 (PDF 1305 KB)
- Analog Signal Chain Guide (8.62 MB)
- Industrial Interface IC Solutions (101 KB)
SN65HVD21 工具和软件