TRS3222 具有 +/-15kV ESD 保护的 3V 至 5.5V 多通道 RS-232 线路驱动器/接收器
The TRS3222 consists of two line drivers, two line receivers, and a dual charge-pump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND). The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. The device operates at data signaling rates up to 250 kbit/s and a maximum of 30-V/u s driver output slew rate.
The TRS3222 can be placed in the power-down mode by setting PWRDOWN low, which draws only 1 u A from the power supply. When the device is powered down, the receivers remain active while the drivers are placed in the high-impedance state. Also, during power down, the onboard charge pump is disabled; V+ is lowered to VCC, and V- is raised toward GND. Receiver outputs also can be placed in the high-impedance state by setting
EN high
|
TRS3222 |
| Data Rate(kbps) |
250 |
| Drivers Per Package |
2 |
| Receivers Per Package |
2 |
| ESD HBM(kV) |
+/-15 |
| Supply Voltage(s)(V) |
3.3 or 5.0 |
| ICC(Max)(mA) |
1 |
| Operating Temperature Range(°C) |
0 to 70 |
| Pin/Package |
20SSOP |
| Approx. Price (US$) |
1.30 | 1ku |
| Rating |
Catalog |
| Footprint |
MAX3222 |
TRS3222 特性
- RS-232 Bus-Pin ESD Protection Exceeds
±15 kV Using Human-Body Model (HBM)
- Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.28 Standards
- Operates With 3-V to 5.5-V VCC Supply
- Operates up to 250 kbit/s
- Two Drivers and Two Receivers
- Low Standby Current . . . 1 uA Typical
- External Capacitors . . . 4 × 0.1 u F
- Accepts 5-V Logic Input With 3.3-V Supply
- Alternative High-Speed Pin-Compatible Device (1 Mbit/s)
- APPLICATIONS
- Battery-Powered Systems
- PDAs
- Notebooks
- Laptops
- Palmtop PCs
- Hand-Held Equipment
TRS3222 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 |
| TRS3222CDBR |
ACTIVE |
0 to 70 |
1.00 | 1ku |
SSOP (DB) | 20 |
2000 | LARGE T&R |
|
| TRS3222CDBRG4 |
ACTIVE |
0 to 70 |
1.00 | 1ku |
SSOP (DB) | 20 |
2000 | LARGE T&R |
|
TRS3222 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 |
| TRS3222CDBR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
TRS3222CDBR |
TRS3222CDBR |
| TRS3222CDBRG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
TRS3222CDBRG4 |
TRS3222CDBRG4 |
TRS3222 应用技术支持与电子电路设计开发资源下载
- TRS3222 数据资料 dataSheet 下载.PDF
- TI 德州仪器RS-232 产品选型与价格 . xls
- Analog Signal Chain Guide (8.62 MB)
- Industrial Interface IC Solutions (101 KB)