ad1895 Datasheet - Analogdevices
The AD1895 is a high-performance, 24-bit, 96 kHz, stereo audio codec with a built-in analog-to-digital converter (ADC) and digital-to-analog converter (DAC).
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📝 Component Overview
The AD1895 is a high-performance, 24-bit, 96 kHz, stereo audio codec with a built-in analog-to-digital converter (ADC) and digital-to-analog converter (DAC). It is designed for professional audio applications, offering low noise, high dynamic range, and excellent audio quality. The device supports a wide range of audio formats and sampling rates, making it suitable for use in digital audio workstations, audio interfaces, and other professional audio equipment.
Key Features and Benefits
- 24-bit stereo audio codec
- 96 kHz sampling rate
- Built-in ADC and DAC
- Low noise and high dynamic range
- Supports multiple audio formats
- Suitable for professional audio applications
Typical Applications
- Digital audio workstations
- Audio interfaces
- Professional audio equipment
- Sound cards
- Audio processing systems
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Supply Voltage | 5.5 V |
| 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 = 5 V | 0 V | 2.5 V | 5 V | V |
| Digital Input High Voltage | VDD = 5 V | 2.4 V | 3.3 V | 5.5 V | V |
Package Information
- 28-lead SSOP: The AD1895 is available in a 28-lead SSOP package, which provides a compact and thermally efficient solution for professional audio applications.
Pin Configuration
- Pin 1: VDD - Positive power supply
- Pin 2: GND - Ground
🔧 Application Guidelines
Design Considerations
When designing with the AD1895, it is essential to consider the device's power supply requirements, input and output signal levels, and clocking scheme. The device requires a single 5 V power supply and can be clocked using an external crystal oscillator or an external clock source.
Installation Guidelines
The AD1895 is available in a 28-lead SSOP package and should be mounted on a printed circuit board (PCB) with a suitable thermal interface to ensure reliable operation. The device's pins should be connected to the corresponding signals on the PCB, and the power supply and ground connections should be made to the recommended power supply and ground planes.
Operational Notes
The AD1895 is a high-performance audio codec that requires careful attention to its operating conditions to ensure optimal performance. The device should be operated within its recommended temperature range, and the input and output signals should be within the specified voltage ranges. Additionally, the device's clocking scheme should be carefully configured to ensure proper operation.