Data Sheet
TRSF3232E 采用小型封装、具有 ±15kV IEC ESD 保护的 3V 至 5.5V 两通道 RS-232 1Mbit 线路驱动器和接收器
本资源的原文使用英文撰写。 为方便起见，TI 提供了译文；由于翻译过程中可能使用了自动化工具，TI 不保证译文的准确性。 为确认准确性，请务必访问 ti.com 参考最新的英文版本（控制文档）。
1 特性
- 由 3V 至 5.5V VCC 电源供电
- 速率高达 1Mbit/s
- 低电源电流：300μA（典型值）
- 外部电容器：4 × 0.1μF
- 支持 5V 逻辑输入（3.3V 电源时）
- 闩锁性能超过 100mA，符合 JESD 78 II 类规范的要求
- 为 RS-232 引脚提供 ESD 保护
- ±15kV 人体放电模式 (HBM)
- ±15kV IEC 61000-4-2 气隙放电
- ±8kV IEC 61000-4-2 接触放电
- 采用近似于芯片级塑封的 QFN (3mmx3mm) 封装（比 SOIC-16 小 85%）
3 说明
TRSF3232E 器件由两个线路驱动器、两个线路接收器和一个双电荷泵电路组成，具有引脚对引脚（串行端口连接引脚，包括 GND）±15kV ESD 保护。该器件可在异步通信控制器和串行端口连接器之间提供电气接口。电荷泵和四个小型外部电容器支持由单个 3V 至 5.5V 电源供电。TRSF3232E 以高达 1Mbit/s 的数据信号传输速率运行，驱动器输出压摆率为 14V/μs 至 150V/μs。
封装信息
| 器件型号 | 封装(1) | 封装尺寸(2) |
|---|---|---|
| TRSF3232E | D (SOIC) | 9.9mm x 6mm |
| DB (SSOP) | 6.2mm x 7.8mm | |
| DW (SOIC) | 10.3mm x 10.3mm | |
| PW (TSSOP) | 5mm x 6.4mm | |
| RGT (VQFN) | 3mm x 3mm | |
| SOT-23-THN（DYY，16） | 4.2mm × 2mm |
(1) 有关更多信息，请参阅节 11。
(2) 封装尺寸（长 × 宽）为标称值，并包括引脚（如适用）。
逻辑图（正逻辑）4 Pin Configuration and Functions
Figure 4-1 D, DB, DW, PW or DYY Package16-Pin SSOP, TSSOP, or SOT-23-THN
(Top View)
Figure 4-2 RGT, VQFN Package (Top View)Table 4-1 Pin Functions
| PIN | TYPE(1) | DESCRIPTION | ||
|---|---|---|---|---|
| NAME | D, DB, DW, PW or DYY | RGT | ||
| C1+ | 1 | 16 | - | Positive lead of C1 capacitor |
| V+ | 2 | 15 | O | Positive charge pump output for storage capacitor only |
| C1- | 3 | 1 | - | Negative lead of C1 capacitor |
| C2+ | 4 | 2 | - | Positive lead of C2 capacitor |
| C2- | 5 | 3 | - | Negative lead of C2 capacitor |
| V- | 6 | 4 | O | Negative charge pump output for storage capacitor only |
| DOUT2 | 7 | 5 | O | RS232 line data output (to remote RS232 system) |
| RIN2 | 8 | 6 | I | RS232 line data input (from remote RS232 system) |
| ROUT2 | 9 | 7 | O | Logic data output (to UART) |
| DIN2 | 10 | 8 | I | Logic data input (from UART) |
| DIN1 | 11 | 9 | I | Logic data input (from UART) |
| ROUT1 | 12 | 10 | O | Logic data output (to UART) |
| RIN1 | 13 | 11 | I | RS232 line data input (from remote RS232 system) |
| DOUT1 | 14 | 12 | O | RS232 line data output (to remote RS232 system) |
| GRD | 15 | 13 | - | Ground |
| VCC | 16 | 14 | - | Supply Voltage, Connect to external 3-V to 5.5-V power supply |
| Thermal Pad | - |
Thermal Pad |
- | Exposed thermal pad. Can be connected to GND or left floating. |
(1) Signal Types: I = Input, O = Output, I/O
= Input or Output.
5 Specifications
5.1 Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted) see note
(1)
| MIN | MAX | UNIT | |||
|---|---|---|---|---|---|
| VCC | Supply voltage range(2) | –0.3 | 6 | V | |
| V+ | Positive-output supply voltage range(2) | –0.3 | 7 | V | |
| V– | Negative-output supply voltage range(2) | 0.3 | –7 | V | |
| V+ – V– | Supply voltage difference(2) | 13 | V | ||
| VI | Input voltage range | Drivers | –0.3 | 6 | V |
| Receivers | –25 | 25 | |||
| VO | Output voltage range | Drivers | –13.2 | 13.2 | V |
| Receivers | –0.3 | VCC + 0.3 | |||
| TJ | Operating virtual junction temperature | 150 | °C | ||
| Tstg | Storage temperature range | –65 | 150 | °C | |
(1) Stresses beyond those listed under "absolute maximum ratings"
may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those
indicated under "recommended operating conditions" is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device
reliability.
(2) All voltages are with respect to network GND.
