Overview
The ADM3312EARU-REEL7 is a high-performance RS-232 serial port transceiver manufactured by Analog Devices Inc. This component is designed to facilitate reliable and efficient serial communication in various electronic systems. It operates with a single power supply voltage ranging from 2.7V to 3.6V, making it suitable for low-voltage applications. The device features an on-board charge pump dc-to-dc converter, which eliminates the need for dual power supplies and minimizes power consumption through its Green Idle mode.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Operating Voltage Range | 2.7 | 3.6 | V | ||
| Maximum Data Rate | 250 | 460 | 920 | kbps | RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF, VCC = 3.0 V |
| Receiver Propagation Delay (TPHL, TPLH) | 0.3 | 0.17 | 1 | µs | CL = 150 pF |
| Receiver Output Enable Time (tER) | 100 | ns | |||
| Receiver Output Disable Time (tDR) | 300 | ns | |||
| Transmitter Propagation Delay (TPHL, TPLH) | 500 | ns | RL = 3 kΩ, CL = 1000 pF | ||
| Transition Region Slew Rate | 3 | 18 | V/µs | ||
| ESD Protection | ±15 kV | IEC 1000-4-2 on RS-232 I/Os and CMOS inputs | |||
| Operating Temperature Range | -40 | 85 | °C | ||
| Package Type | 24-TSSOP |
Key Features
- RS-232 Protocol Support: Fully compliant with the EIA-232 standard.
- Low Voltage Operation: Operates with a single power supply voltage from 2.7V to 3.6V.
- High-Speed Data Transmission: Supports data rates up to 460 kbps.
- Full Duplex Capability: Features 3 drivers and 3 receivers for simultaneous two-way data exchange.
- Green Idle Mode: Power-saving mode that minimizes power consumption by gating the charge pump oscillator on and off.
- ESD Protection: Protected against electrostatic discharges up to ±15 kV (IEC 1000-4-2).
- Receiver Hysteresis: 140 mV for improved noise immunity.
- Surface Mount Technology: Compact 24-TSSOP package for efficient use in electronic circuits.
Applications
- Telecommunications: Used in various telecommunications equipment.
- Networking Equipment: Suitable for networking devices requiring RS-232 communication.
- Computer Peripherals: Commonly used in printers, modems, and other computer peripherals.
- Industrial Automation: Employed in industrial control systems for reliable serial communication.
- Mobile and Portable Devices: Ideal for mobile phone handsets, laptop and notebook computers, PDAs, and hand-held devices due to its low power consumption and compact design.
Q & A
- What is the operating voltage range of the ADM3312EARU-REEL7?
The operating voltage range is from 2.7V to 3.6V.
- What is the maximum data rate supported by the ADM3312EARU-REEL7?
The maximum data rate is up to 460 kbps.
- Does the ADM3312EARU-REEL7 support full duplex communication?
Yes, it supports full duplex communication with 3 drivers and 3 receivers.
- What is the ESD protection level of the ADM3312EARU-REEL7?
The device is protected against electrostatic discharges up to ±15 kV (IEC 1000-4-2).
- What is the operating temperature range of the ADM3312EARU-REEL7?
The operating temperature range is from -40°C to 85°C.
- What package type does the ADM3312EARU-REEL7 come in?
The device comes in a 24-TSSOP package.
- Does the ADM3312EARU-REEL7 have any power-saving features?
Yes, it features a Green Idle mode that minimizes power consumption.
- What is the receiver hysteresis of the ADM3312EARU-REEL7?
The receiver hysteresis is 140 mV for improved noise immunity.
- Is the ADM3312EARU-REEL7 suitable for automotive applications?
Yes, it is qualified for automotive applications.
- What are some common applications of the ADM3312EARU-REEL7?
It is widely used in telecommunications, networking equipment, computer peripherals, and industrial automation control systems.
