ad1803 Datasheet - Analogdevices
The AD1803 is an integrated circuit designed for telecommunication applications, specifically for caller ID and call waiting functions.
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📝 Component Overview
The AD1803 is an integrated circuit designed for telecommunication applications, specifically for caller ID and call waiting functions. It is capable of decoding caller ID information and providing it to the host system. The device operates with a supply voltage range and can interface directly with the public switched telephone network (PSTN) or with a telephone handset. The AD1803 includes features such as call waiting and caller ID decoding, making it suitable for applications requiring these functionalities.
Key Features and Benefits
- Caller ID and call waiting decoding
- Direct interface to PSTN or telephone handset
- Operates with a wide supply voltage range
- Includes on-chip DAA (Data Access Arrangement) for direct connection to the telephone line
- Supports multiple caller ID standards
- Low power consumption for battery-powered applications
- Small package size for compact designs
Typical Applications
- Telephone equipment
- Caller ID boxes
- Call waiting devices
- Telecommunication systems
- Modems
- Fax machines
- Answering machines
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Supply Voltage | 5.5V |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -65°C to +150°C |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Current | Vcc = 5V | 10mA | 15mA | 20mA | mA |
| Caller ID Decode Time | Vcc = 5V | 10ms | 20ms | 30ms | ms |
Package Information
- 24-Lead SSOP: Shrink Small Outline Package with 24 leads, suitable for surface mount assembly.
Pin Configuration
- Pin 1: VCC - Positive supply voltage
- Pin 2: GND - Ground
🔧 Application Guidelines
Design Considerations
When designing with the AD1803, consider the supply voltage range and ensure the system can provide the necessary voltage levels. Additionally, the layout should minimize noise and ensure proper grounding to optimize the performance of the caller ID and call waiting functions.
Installation Guidelines
The AD1803 should be mounted on a printed circuit board (PCB) with appropriate thermal management. The device's pins should be connected according to the datasheet's pinout diagram, and decoupling capacitors should be used for the supply pins.
Operational Notes
The AD1803 operates in conjunction with the telephone network and should be used in compliance with relevant telecommunication standards and regulations. Proper ESD protection measures should be taken during handling and assembly to prevent damage to the device.