MAX3320

PRODUCTION

3V to 5.5V, Up to 250kbps True RS-232 Transceiver with 4µA AutoShutdown Plus and Power On Reset

Data Sheet (Rev. 0) Product Selection Table

Part Models: 6
1ku List Price: Starting From $5.37

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Overview

Precise Monitoring of 5V and 3.3V Power-Supply Voltages:
- 100ms (min) Power-On active-low RESET Pulse Width
- Power-Supply Transient Immunity
- Guaranteed active-low RESET Valid to V_CC = 1V
4µA Supply Current Achieved with AutoShutdown Plus™
Receivers Always Active
Power-On Reset Always Active
4µA Low-Power Shutdown
250kbps Guaranteed Data Rate

The MAX3320 combines a microprocessor (µP) supervisory circuit with an RS-232 transceiver. The power-on reset performs a single function: it asserts a reset signal whenever the V_CC supply voltage declines below a preset threshold, staying asserted for at least 100ms after V_CC rises above the reset threshold. The MAX3320 has an active-low RESET output, which is guaranteed to be in the correct state for V_CC down to 1V. The reset comparator is designed to ignore fast transients on V_CC. Reset thresholds suitable for operation with a variety of supply voltages are available.

The MAX3320 transceivers have a proprietary low-dropout transmitter output stage, enabling true RS-232 performance with a dual charge pump powered from a +3V to +5.5V supply. The device requires only four small 0.1µF external charge-pump capacitors, and is guaranteed to run at data rates of up to 250kbps. It comes in the space-saving 20-pin SSOP package.

Applications

Handheld Equipment
Palmtop Computers
Peripherals
Portable Battery-Powered Equipment
Printers

Part Models: 6
1ku List Price: Starting From $5.37

Documentation

Data Sheet 1

MAX3320A-MAX3320T: 3V to 5.5V, Up to 250kbps True RS-232 Transceiver with 4µA AutoShutdown Plus and Power On Reset Data Sheet (Rev.0) 08/01/1997

Technical Articles 1

Automatic Test Equipment on a Budget 11/19/2001

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX3320ACAP+	20-SSOP-5.3_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX3320BEAP+	20-SSOP-5.3_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX3320BEAP+T	20-SSOP-5.3_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX3320TCAP+	20-SSOP-5.3_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX3320TCAP+T	20-SSOP-5.3_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX3320TEAP+	20-SSOP-5.3_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Jul 28, 2023 - 2361H WAFER FAB
		pcn_2361h
MAX3320ACAP+	PRODUCTION
MAX3320BEAP+	PRODUCTION
MAX3320TCAP+	PRODUCTION
MAX3320TCAP+T	PRODUCTION
MAX3320TEAP+	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

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Overview

Documentation

Data Sheet 1

Technical Articles 1

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