Overview
The ADM3311EARU-REEL is a dual transceiver designed by Analog Devices Inc. for a variety of interface applications involving the transfer of data and signals. This component is part of the ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E family, which fully meets 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, eliminating the need for dual power supplies and making it ideal for battery-powered portable devices.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Supply Voltage | 2.7 - 3.6 | V | |
| Package Type | 28-TSSOP | ||
| Number of Drivers | 3 | ||
| Number of Receivers | 5 | ||
| Maximum Data Rate | 460 kbps | RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF, VCC = 3.0 V | |
| ESD Protection | ±15 kV | On RS-232 lines | |
| Operating Temperature | -40°C to 85°C | ||
| Shutdown Power Consumption | 66 nW | ||
| Green Idle Mode | Yes | Charge pump oscillator gated on and off to maintain output voltage |
Key Features
- Single Power Supply Operation: Operates with a single 2.7 V to 3.6 V power supply, eliminating the need for dual power supplies.
- On-Board Charge Pump: Features an on-board charge pump dc-to-dc converter that generates positive and negative supplies from the input power supply.
- Green Idle Mode: The charge pump oscillator is gated on and off to maintain the output voltage, minimizing power consumption and making it ideal for battery-powered devices.
- ESD Protection: Provides ESD protection up to ±15 kV on RS-232 lines, suitable for harsh electrical environments.
- Low Power Shutdown: Reduces power consumption to 66 nW in shutdown mode, with one receiver remaining active for monitoring peripheral devices.
- High Data Rate: Supports data rates up to 460 kbps.
Applications
- Interface Applications: Suitable for various interface applications involving the transfer of data and signals.
- Battery-Powered Devices: Ideal for battery-powered portable devices due to its low power consumption and Green Idle mode.
- Industrial and Commercial Systems: Used in systems requiring robust ESD protection and reliable serial communication.
- Embedded Systems: Applicable in embedded systems where space and power efficiency are critical.
Q & A
- What is the supply voltage range for the ADM3311EARU-REEL?
The supply voltage range is 2.7 V to 3.6 V.
- How many drivers and receivers does the ADM3311EARU-REEL have?
The component has 3 drivers and 5 receivers.
- What is the maximum data rate supported by the ADM3311EARU-REEL?
The maximum data rate is up to 460 kbps.
- Does the ADM3311EARU-REEL have ESD protection?
Yes, it provides ESD protection up to ±15 kV on RS-232 lines.
- What is the operating temperature range for the ADM3311EARU-REEL?
The operating temperature range is -40°C to 85°C.
- What is the Green Idle mode in the ADM3311EARU-REEL?
The Green Idle mode involves the charge pump oscillator being gated on and off to maintain the output voltage, minimizing power consumption.
- How much power does the ADM3311EARU-REEL consume in shutdown mode?
The power consumption in shutdown mode is reduced to 66 nW.
- Is the ADM3311EARU-REEL RoHS compliant?
No, the ADM3311EARU-REEL is not RoHS compliant.
- What package type does the ADM3311EARU-REEL come in?
The component comes in a 28-TSSOP package.
- Can the ADM3311EARU-REEL be used in battery-powered devices?
Yes, it is ideal for battery-powered portable devices due to its low power consumption and Green Idle mode).
