ad1845 Datasheet - Analogdevices
The AD1845 is a high-performance, single-chip codec that integrates a 16-bit analog-to-digital converter (ADC) and a 16-bit digital-to-analog converter (DAC).
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📝 Component Overview
The AD1845 is a high-performance, single-chip codec that integrates a 16-bit analog-to-digital converter (ADC) and a 16-bit digital-to-analog converter (DAC). It is designed for use in a variety of audio applications, including sound cards, multimedia systems, and professional audio equipment.
Key Features and Benefits
- 16-bit ADC and DAC
- High-performance audio conversion
- Single-chip solution
- Low power consumption
- Supports multiple audio formats
- On-chip analog and digital filtering
- Compatible with various audio interfaces
Typical Applications
- Sound cards
- Multimedia systems
- Professional audio equipment
- Audio interfaces
- Digital audio workstations
- Home theaters
- Gaming consoles
📊 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 |
|---|---|---|---|---|---|
| Analog Input Voltage | VDD = 5V | 0V | 2.5V | 5V | V |
| Digital Output Voltage | VDD = 5V | 0V | 2.5V | 5V | V |
Package Information
- PDIP: Plastic dual in-line package
- PLCC: Plastic leaded chip carrier
- TQFP: Thin quad flat package
Pin Configuration
- Pin 1: VDD - Positive power supply
- Pin 2: VSS - Negative power supply
🔧 Application Guidelines
Design Considerations
The AD1845 is a high-performance audio codec that requires careful design consideration to achieve optimal performance. The device should be powered from a clean, low-noise power supply, and the analog input and output circuits should be designed to minimize noise and distortion.
Installation Guidelines
The AD1845 is available in a variety of packages, including PDIP, PLCC, and TQFP. The device should be handled with care to avoid damage to the package or the internal die. The device should be mounted on a printed circuit board (PCB) with a suitable thermal interface to ensure reliable operation.
Operational Notes
The AD1845 is a complex device that requires careful configuration and control to achieve optimal performance. The device should be configured and controlled using a suitable microcontroller or digital signal processor (DSP). The device should be operated within the recommended temperature range to ensure reliable operation.