ad1854 Datasheet - Analogdevices
The AD1854 is a high-performance, 24-bit, 192 kHz, multibit sigma-delta analog-to-digital converter (ADC) designed for professional audio applications.
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📝 Component Overview
The AD1854 is a high-performance, 24-bit, 192 kHz, multibit sigma-delta analog-to-digital converter (ADC) designed for professional audio applications. It features a clickless, de-emphasis switch and operates from a 5 V power supply. The device has a flexible interface, supporting various audio formats and standards.
Key Features and Benefits
- 24-bit, 192 kHz sampling rate
- Multibit sigma-delta architecture
- Clickless, de-emphasis switch
- Flexible interface supporting various audio formats
- Operates from a 5 V power supply
- High-performance, professional audio applications
Typical Applications
- Professional audio equipment
- Digital audio workstations
- Audio interfaces
- Mixing consoles
- High-end consumer audio products
📊 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 Supply Current | VDD = 5 V, fS = 192 kHz | 10 mA | 20 mA | 30 mA | mA |
Package Information
- 28-lead SSOP: Surface-mount package with 28 leads
Pin Configuration
- Pin 1: VDD - Digital supply voltage
- Pin 2: DGND - Digital ground
🔧 Application Guidelines
Design Considerations
The AD1854 requires careful consideration of the analog input circuit, power supply decoupling, and digital interface configuration to ensure optimal performance.
Installation Guidelines
The device should be mounted on a multilayer PCB with a solid ground plane to minimize noise and ensure reliable operation.
Operational Notes
The AD1854 is sensitive to clock jitter and requires a high-quality clock source to maintain its specified performance.