Overview
The MAX3238IPWRG4Q1 is a multichannel RS-232 line driver/receiver produced by Texas Instruments. This device is specifically designed for automotive applications and offers a robust set of features to ensure reliable and efficient serial communication. It consists of five line drivers and three line receivers, along with a dual charge-pump circuit that enables operation from a single 3-V to 5.5-V supply. The MAX3238IPWRG4Q1 meets the requirements of TIA/EIA-232-F and ITU v.28 standards, making it suitable for various serial communication needs.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 28-TSSOP (PW) |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage | 3 V to 5.5 V |
| Data Signaling Rate | Up to 250 kbit/s |
| Driver Output Slew Rate | 30 V/µs |
| Number of Drivers | 5 |
| Number of Receivers | 3 |
| ESD Protection | ±15 kV (HBM) |
| Standby Current | 1 µA (typical) |
| External Capacitors | 4 × 0.1 µF |
Key Features
- Qualified for automotive applications
- ESD protection exceeds 2000 V per MIL-STD-883, Method 3015, and exceeds 200 V using the machine model (C = 200 pF, R = 0)
- Meets or exceeds requirements of TIA/EIA-232-F and ITU v.28 standards
- Operates with 3-V to 5.5-V supply voltage
- Always-active noninverting receiver output (ROUT1B)
- Low standby current of 1 µA (typical)
- Auto-powerdown plus feature to reduce supply current when inactive
- Accepts 5-V logic input with 3.3-V supply
Applications
The MAX3238IPWRG4Q1 is designed for use in various applications requiring reliable RS-232 serial communication, including:
- Automotive systems
- Notebook and subnotebook computer applications
- Industrial control systems
- Medical devices
- Any system requiring robust serial communication with ESD protection
Q & A
- What is the operating temperature range of the MAX3238IPWRG4Q1?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the MAX3238IPWRG4Q1?
The supply voltage range is 3 V to 5.5 V.
- How many drivers and receivers does the MAX3238IPWRG4Q1 have?
The device has five line drivers and three line receivers.
- What is the data signaling rate of the MAX3238IPWRG4Q1?
The data signaling rate is up to 250 kbit/s.
- What level of ESD protection does the MAX3238IPWRG4Q1 offer?
The device offers ±15 kV ESD protection using the Human-Body Model (HBM).
- Does the MAX3238IPWRG4Q1 support auto-powerdown?
- What type of package does the MAX3238IPWRG4Q1 come in?
The device comes in a 28-pin TSSOP (PW) package.
- Does the MAX3238IPWRG4Q1 meet industry standards for RS-232 communication?
- Can the MAX3238IPWRG4Q1 accept 5-V logic input with a 3.3-V supply?
- What is the purpose of the always-active noninverting receiver output (ROUT1B)?
The always-active noninverting receiver output (ROUT1B) allows applications using the ring indicator to transmit data while the device is powered down.
