Overview
The ADM3307EARUZ-REEL7 is a high-speed RS-232 transceiver produced by Analog Devices Inc. This device is part of the ADM3307E series, designed to meet the EIA-232 standard while operating with a single 2.7 V to 3.6 V power supply. It 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. The transceiver is well-suited for applications requiring robust ESD protection and low power consumption, making it ideal for use in portable and electrically harsh environments.
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 | -40 | 85 | °C | ||
| Package | 28-TSSOP |
Key Features
- Full RS-232 Compliance: Meets EIA-232 standard with a single 2.7 V to 3.6 V power supply.
- On-Board Charge Pump: Eliminates the need for dual power supplies and operates in Green Idle™ mode to minimize power consumption.
- High-Speed Data Rate: Up to 920 kbps data rate.
- ESD Protection: ±15 kV ESD protection on RS-232 I/Os and CMOS inputs, compliant with IEC 1000-4-2 requirements.
- Low Power Consumption: CMOS technology ensures low power dissipation, ideal for battery-powered devices.
- Robust Operation: Reliable in extreme temperatures from -40°C to +85°C and immune to high RF field strengths.
- Full Duplex Communication: Five drivers and three receivers for full duplex communication.
- Receiver Hysteresis: 140 mV receiver hysteresis for improved noise immunity.
Applications
- Mobile Phone Handsets and Data Cables: Suitable for mobile phone and data cable applications due to its low power consumption and robust ESD protection.
- Laptop and Notebook Computers: Ideal for use in laptop and notebook computers where space and power efficiency are crucial.
- Printers and Peripherals: Used in various peripherals and printers that require reliable RS-232 communication.
- Modems and PDAs/Hand-Held Devices: Suitable for modems, PDAs, and other hand-held devices that need high-speed RS-232 communication.
- Automotive Applications: Qualified for automotive applications due to its robustness and reliability in harsh environments.
Q & A
- What is the operating voltage range of the ADM3307EARUZ-REEL7?
The operating voltage range is 2.7 V to 3.6 V.
- What is the maximum data rate supported by the ADM3307EARUZ-REEL7?
The maximum data rate is up to 920 kbps.
- What kind of ESD protection does the ADM3307EARUZ-REEL7 offer?
The device offers ±15 kV ESD protection on RS-232 I/Os and CMOS inputs, compliant with IEC 1000-4-2 requirements.
- What is the operating temperature range of the ADM3307EARUZ-REEL7?
The operating temperature range is from -40°C to +85°C.
- What is the package type of the ADM3307EARUZ-REEL7?
The package type is 28-TSSOP.
- Does the ADM3307EARUZ-REEL7 support full duplex communication?
Yes, it supports full duplex communication with five drivers and three receivers.
- What is the receiver hysteresis of the ADM3307EARUZ-REEL7?
The receiver hysteresis is 140 mV.
- Is the ADM3307EARUZ-REEL7 RoHS compliant?
Yes, it is RoHS compliant.
- What are some typical applications of the ADM3307EARUZ-REEL7?
Typical applications include mobile phone handsets, laptop and notebook computers, printers, modems, PDAs, and automotive systems.
- How does the Green Idle™ mode benefit the ADM3307EARUZ-REEL7?
The Green Idle™ mode minimizes power consumption by gating the charge pump oscillator on and off to maintain the output voltage under varying load conditions.
