Quad Rs232-hs Driver

When selecting a for your Bill of Materials (BOM), scrutinize these parameters:

+3.3V ---- VCC | +-- C1 --+--- V+ | | | C2 C3 | | | | +--------+-----+ | GND

Quad RS232-HS is a hardware interface driver associated with the FTDI FT4232H quad rs232-hs driver

The term "Quad RS232-HS" typically identifies devices using the chip. Key features of this hardware include:

The is a high-performance, four-channel RS232 line driver designed for high-speed serial communication in industrial, telecom, and data acquisition systems. It converts TTL/CMOS logic levels to compliant RS-232 voltage levels (±5V to ±15V) while supporting baud rates significantly beyond traditional RS232 implementations—up to 1 Mbps per channel. When selecting a for your Bill of Materials

Note: Some variants use 20-pin SSOP/TSSOP with enable lines and additional charge pump caps.

High-speed operation requires:

While "Quad RS232-HS" is a descriptive term, it is most often associated with devices utilizing specific chipsets. The most prominent among these is the (and similar variants).

A common issue with Quad

| Feature | 4x Discrete Drivers (e.g., 4x MAX3232) | Single Quad RS232-HS Driver | | :--- | :--- | :--- | | | ~4 cm² (plus capacitors) | ~1 cm² | | Power Consumption | 15–20 mA per chip (60–80 mA total) | 20–25 mA for all four channels | | Channel Skew | High (different die temps) | Matched to < 1 ns | | Max Baud Rate | 250 kbps typical | 1+ Mbps guaranteed | | Handshake Support | Requires 8 separate chips | Often includes RTS/CTS on-die | | EMI Compliance | Poor (asynchronous switching) | Optimized slew limiting |