Overview
The MAX3238IPWRQ1 is a high-quality, automotive-grade integrated circuit produced by Texas Instruments. It is designed for reliable serial communication in demanding environments, particularly in automotive applications. This transceiver meets the stringent requirements of the automotive industry, including extended temperature ranges and enhanced durability. The device operates as a multichannel RS-232 line driver/receiver, providing a robust electrical interface for various automotive systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | 28-TSSOP (0.173", 4.40mm Width) |
| Operating Temperature Range | -40°C to 85°C |
| Voltage Supply | 3 V to 5.5 V |
| Number of Drivers/Receivers | 5 Drivers, 3 Receivers |
| Protocol | RS-232 |
| Data Rate | Up to 250 kbps |
| Duplex Mode | Full Duplex |
| Receiver Hysteresis | 300 mV |
| ESD Protection | ±15 kV Using Human-Body Model (HBM) |
| Mounting Type | Surface Mount |
Key Features
- Qualified for Automotive Applications, meeting AEC-Q100 standards.
- ESD Protection exceeds 2000 V per MIL-STD-883, Method 3015, and 200 V using Machine Model (C = 200 pF, R = 0).
- Meets or exceeds requirements of TIA/EIA-232-F and ITU v.28 standards.
- Operates with a 3-V to 5.5-V supply voltage.
- Five drivers and three receivers with full duplex operation.
- Low standby current of 1 µA typical.
- Requires four external 0.1 µF capacitors.
- Accepts 5-V logic input with a 3.3-V supply.
- Always-active noninverting receiver output (ROUT1B).
- Auto-powerdown plus feature to reduce power consumption when inactive.
Applications
The MAX3238IPWRQ1 is ideal for various automotive applications that require robust and reliable serial communication. Common uses include:
- Automotive systems requiring serial communication interfaces.
- Notebook and subnotebook computer applications.
- Industrial control systems.
- Any application needing reliable RS-232 communication in harsh environments.
Q & A
- What is the operating temperature range of the MAX3238IPWRQ1?
The operating temperature range is -40°C to 85°C.
- What is the voltage supply range for the MAX3238IPWRQ1?
The device operates with a 3-V to 5.5-V supply voltage.
- How many drivers and receivers does the MAX3238IPWRQ1 have?
The device has five drivers and three receivers.
- What is the data rate capability of the MAX3238IPWRQ1?
The device can operate at data rates up to 250 kbps.
- What kind of ESD protection does the MAX3238IPWRQ1 offer?
The device offers ±15 kV ESD protection using the Human-Body Model (HBM).
- Does the MAX3238IPWRQ1 support full duplex operation?
- What is the standby current of the MAX3238IPWRQ1?
The standby current is typically 1 µA.
- Does the MAX3238IPWRQ1 require external capacitors?
- Can the MAX3238IPWRQ1 accept 5-V logic input with a 3.3-V supply?
- What is the purpose of the auto-powerdown plus feature in the MAX3238IPWRQ1?
The auto-powerdown plus feature reduces the supply current to 1 µA when the device is inactive, helping to conserve power.
