The 73K221AL-IH is a single-chip data modem manufactured by TDK Corporation. This modem is designed for embedded applications requiring data communication over telephone lines. It integrates all the necessary functions for encoding, decoding, and transmitting data, making it a compact and cost-effective solution.

Applications:

• Embedded modems for data communication
• Remote monitoring systems
• Point-of-sale (POS) terminals
• Industrial control systems
• Automatic meter reading (AMR)

Features:

• Single-chip modem solution
• V.22bis, V.22, V.21, and V.23 modem standards
• DTMF generation and detection
• Low power consumption
• Serial interface for host communication

Benefits:

• Reduced system cost and complexity
• Simplified design and integration
• Reliable data communication over telephone lines
• Low power operation for battery-powered devices
• Wide range of modem standards supported

Specifications:

The 73K221AL-IH typically features:

• Modem Standards: V.22bis, V.22, V.21, and V.23
• Data Rate: Up to 2400 bps (bits per second)
• Interface: Serial (UART)
• Supply Voltage: 5V
• Power Consumption: Typically in the milliwatt range
• Operating Temperature Range: -40°C to +85°C
• Package: DIP or SMD

The 73K221AL-IH data modem is designed for integration into a range of embedded systems requiring reliable data communication. Its compliance with several modem standards facilitates communication with a variety of legacy systems. The integration simplifies the design process, reducing overall system cost. The serial interface enables easy connection to microcontrollers and other host processors. The low power consumption is critical for battery-powered devices. The specified operating temperature range ensures reliable performance in diverse environments.