Overview
The MAX3223IPWR, produced by Texas Instruments, is a 3-V to 5.5-V multichannel RS-232 line driver and receiver. This device is designed to provide the electrical interface between an asynchronous communication controller and the serial-port connector, adhering to the TIA/EIA-232-F and ITU v.28 standards. It features two line drivers, two line receivers, and a dual charge-pump circuit, enabling operation from a single supply voltage. The MAX3223IPWR is particularly suited for applications requiring low power consumption and high ESD protection.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | - | 5.5 | V |
| Data Signaling Rate | - | - | 250 | kbit/s |
| Driver Output Slew Rate | - | - | 30 | V/μs |
| ESD Protection (HBM) | - | - | ±15 kV | - |
| Operating Temperature | -40 | - | 85 | °C |
| Standby Current | - | 1 | - | μA |
| Package Type | - | - | TSSOP (PW) | - |
| Number of Pins | - | - | 20 | - |
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 voltage.
- Features two line drivers and two line receivers.
- Dual charge-pump circuit for voltage generation.
- Low standby current of 1 μA typical.
- High ESD protection: ±15 kV using the Human-Body Model (HBM).
- Accepts 5-V logic input with a 3.3-V supply.
- Auto-powerdown feature to reduce power consumption.
Applications
- Battery-powered systems.
- PDAs, notebooks, laptops, and palmtop PCs.
- Hand-held equipment.
- Industrial PCs and wired networking devices.
Q & A
- What is the operating voltage range of the MAX3223IPWR?
The MAX3223IPWR operates with a single supply voltage ranging from 3 V to 5.5 V.
- What are the data signaling rates supported by the MAX3223IPWR?
The device supports data signaling rates up to 250 kbit/s.
- What is the ESD protection level of the MAX3223IPWR?
The MAX3223IPWR provides ±15 kV ESD protection using the Human-Body Model (HBM).
- What is the standby current of the MAX3223IPWR?
The standby current is typically 1 μA.
- Does the MAX3223IPWR support auto-powerdown?
- What types of packages are available for the MAX3223IPWR?
The device is available in TSSOP (PW) packages among others.
- How many pins does the MAX3223IPWR have?
The MAX3223IPWR has 20 pins.
- What are the typical applications of the MAX3223IPWR?
Typical applications include battery-powered systems, PDAs, notebooks, laptops, palmtop PCs, and hand-held equipment.
- Does the MAX3223IPWR meet industry standards for RS-232 communication?
- Can the MAX3223IPWR accept 5-V logic input with a 3.3-V supply?
