TRSF3222E 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 TRSF3222E 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 TRSF3222E 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 TRSF3222E operates at typical data signaling rates up to 1000 kbit/s and is an improved drop-in replacement for industry-popular '3222 two-driver, two-receiver functions.
The TRSF3222E can be placed in the power-down mode by setting the power-down (PWRDOWN) input low, which draws only 1 uA 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 enable (EN) high
| TRSF3222E | |
| Data Rate(kbps) | 1000 |
| 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) | -40 to 85,0 to 70 |
| Pin/Package | 20SOIC, 20SSOP, 20TSSOP |
| Approx. Price (US$) | 1.30 | 1ku |
| Rating | Catalog |
| Footprint | MAX3222 |
TRSF3222E 特性
- ESD Protection for RS-232 Bus Pins
- ±15-kV Human-Body Model (HBM)
- ±8-kV IEC 61000-4-2, Contact Discharge
- ±15-kV IEC 61000-4-2, Air-Gap Discharge
- 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 1000 kbit/s
- Two Drivers and Two Receivers
- Low Standby Current . . . 1 uA Typ
- External Capacitors . . . 4 × 0.1 uF
- Accepts 5-V Logic Input With 3.3-V Supply
- APPLICATIONS
- Battery-Powered Systems
- PDAs
- Notebooks
- Laptops
- Palmtop PCs
- Hand-Held Equipment
TRSF3222E 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 |
| TRSF3222ECDB | ACTIVE | 0 to 70 | 1.10 | 1ku | SSOP (DB) | 20 | 80 | TUBE | |
| TRSF3222ECDBG4 | ACTIVE | -40 to 85 | 1.10 | 1ku | SSOP (DB) | 20 | 80 | TUBE | |
| TRSF3222ECDBR | ACTIVE | 0 to 70 | 0.90 | 1ku | SSOP (DB) | 20 | 2000 | LARGE T&R | |
| TRSF3222ECDBRG4 | ACTIVE | 0 to 70 | 0.90 | 1ku | SSOP (DB) | 20 | 2000 | LARGE T&R |
TRSF3222E 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 |
| TRSF3222ECDB | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | TRSF3222ECDB | TRSF3222ECDB |
| TRSF3222ECDBG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | TRSF3222ECDBG4 | TRSF3222ECDBG4 |
| TRSF3222ECDBR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | TRSF3222ECDBR | TRSF3222ECDBR |
| TRSF3222ECDBRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | TRSF3222ECDBRG4 | TRSF3222ECDBRG4 |
TRSF3222E 应用技术支持与电子电路设计开发资源下载
- TRSF3222E 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)