Overview
The MAX3237EIPW, produced by Texas Instruments, is a multichannel RS-232 line driver/receiver designed to operate within a voltage range of 3-V to 5.5-V. This device is part of the MAX3237E family and is specifically packaged in a TSSOP (Thin Shrink Small Outline Package) with 28 pins. It is characterized for operation from -40°C to 85°C, making it suitable for a wide range of applications, including battery-powered, hand-held, and portable equipment.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | - | 5.5 | V |
| Operating Temperature | -40 | - | 85 | °C |
| Data Signaling Rate | 250 kbit/s | - | 1 Mbit/s | - |
| ESD Protection | - | - | ±15 kV | - |
| High-Level Output Voltage (VOH) | 5 | 5.4 | - | V |
| Low-Level Output Voltage (VOL) | -5 | -5.4 | - | V |
| Standby Current | - | 1 | - | mA |
| Shutdown Supply Current | - | - | 300 nA | - |
| Driver Output Slew Rate | 4 | - | 30 | V/ms |
Key Features
- Meets or exceeds the requirements of TIA/EIA-232-F and ITU v.28 standards.
- Operates with a single 3-V to 5.5-V supply using a dual charge-pump circuit.
- Provides ±15 kV ESD protection for RS-232 I/O pins.
- Supports data signaling rates from 250 kbit/s to 1 Mbit/s.
- Low standby current of 1 mA typical.
- Accepts 5-V logic input with a 3.3-V supply.
- Latch-up performance exceeds 100 mA per JESD 78, Class II.
- High-impedance state for driver and receiver outputs during shutdown.
Applications
- Battery-powered, hand-held, and portable equipment.
- PDAs and palmtop PCs.
- Notebooks, sub-notebooks, and laptops.
- Digital cameras.
- Mobile phones and wireless devices.
Q & A
- What is the operating voltage range of the MAX3237EIPW? The MAX3237EIPW operates within a voltage range of 3-V to 5.5-V.
- What are the temperature ranges for the MAX3237EIPW? The MAX3237EIPW is characterized for operation from -40°C to 85°C.
- What is the maximum data signaling rate supported by the MAX3237EIPW? The MAX3237EIPW supports data signaling rates up to 1 Mbit/s.
- What level of ESD protection does the MAX3237EIPW offer? The MAX3237EIPW provides ±15 kV ESD protection for RS-232 I/O pins.
- How does the MAX3237EIPW manage power in standby mode? In standby mode, the supply current falls to less than 1 mA, and the onboard charge pump is disabled.
- Can the MAX3237EIPW accept 5-V logic input with a 3.3-V supply? Yes, the MAX3237EIPW can accept 5-V logic input with a 3.3-V supply.
- What is the typical standby current of the MAX3237EIPW? The typical standby current is 1 mA.
- How many line drivers and receivers does the MAX3237EIPW have? The MAX3237EIPW consists of five line drivers and three line receivers.
- What is the driver output slew rate of the MAX3237EIPW? The driver output slew rate is a maximum of 30 V/ms.
- What types of devices can the MAX3237EIPW be used in? The MAX3237EIPW can be used in battery-powered, hand-held, and portable equipment, including PDAs, notebooks, digital cameras, and mobile phones.
