Overview
The ADM101EARM from Analog Devices Inc. is a single-channel RS-232 driver and receiver, part of the Craft Port series. This device is designed to operate from a single 5V supply, making it highly suitable for compact and power-efficient designs. It features a highly efficient charge-pump voltage inverter that generates an on-chip -5V supply, eliminating the need for a negative power supply. This makes it ideal for serial communications in small, portable applications such as mobile telephones, palmtop computers, and PDAs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package/Case | 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) | |
| Number of Pins | 10 | |
| Logic Function | Transceiver | |
| Number of Drivers | 1 | |
| Number of Receivers | 1 | |
| Data Rate | 460 kbps | |
| Receiver Hysteresis | 200 mV | |
| Duplex | Full | |
| Supply Voltage | 4.5V ~ 5.5V | V |
| Operating Temperature | -40°C ~ 85°C | °C |
| Mounting Type | Surface Mount |
Key Features
- Single 5V power supply with a highly efficient charge-pump voltage inverter generating an on-chip -5V supply.
- Compatible with RS-232 input/output levels using charge pump capacitors as small as 0.1 μF.
- Transmission rate of up to 460 kbps.
- Low power BiCMOS construction with an ultralow power shutdown mode (typically less than 1 μA).
- ESD protection on all I/O pins to levels greater than 15 kV.
- Overvoltage protection allowing receiver inputs to withstand continuous voltages in excess of ±30 V).
Applications
- Mobile telephones
- Palmtop computers
- PDAs (Personal Digital Assistants)
- Portable instrumentation
- GPS receivers
The ADM101EARM is particularly suited for small, portable applications where compact size and low power consumption are critical).
Q & A
- What is the primary function of the ADM101EARM?
The ADM101EARM is a single-channel RS-232 driver and receiver.
- What is the power supply requirement for the ADM101EARM?
The device operates from a single 5V supply.
- What is the transmission rate of the ADM101EARM?
The transmission rate is up to 460 kbps.
- What type of package is the ADM101EARM available in?
The device is available in a 10-lead MSOP package.
- Does the ADM101EARM have ESD protection?
- What is the operating temperature range of the ADM101EARM?
The operating temperature range is -40°C to 85°C.
- Can the ADM101EARM be used in automotive applications?
- How does the charge-pump voltage inverter benefit the design?
The charge-pump voltage inverter generates an on-chip -5V supply, eliminating the need for a negative power supply and allowing for compact designs using small charge pump capacitors.
- What is the power consumption in shutdown mode?
The power consumption in shutdown mode is typically less than 1 μA.
- Are the receiver inputs protected against overvoltage?
