ad1877 Datasheet - Analogdevices
The AD1877 is a high-performance, 16-bit, 64-times oversampling analog-to-digital converter (ADC) designed for audio and other high-fidelity applications.
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📝 Component Overview
The AD1877 is a high-performance, 16-bit, 64-times oversampling analog-to-digital converter (ADC) designed for audio and other high-fidelity applications. It features a sigma-delta architecture with a fifth-order modulator, providing excellent dynamic range and distortion performance. The device operates from a 5 V supply and accepts a wide range of analog input signals.
Key Features and Benefits
- 16-bit resolution
- 64-times oversampling
- Fifth-order sigma-delta modulator
- Excellent dynamic range and distortion performance
- 5 V supply voltage
- Wide range of analog input signals accepted
- High-performance audio applications
- Low power consumption
- Small package size
Typical Applications
- Professional audio equipment
- High-fidelity audio systems
- Digital audio workstations
- Audio interfaces
- Portable audio devices
- Home theaters
- Car audio systems
- Public address 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 |
|---|---|---|---|---|---|
| Resolution | Typical | 16 bits | 16 bits | 16 bits | bits |
| Oversampling Ratio | Typical | 64 | 64 | 64 | times |
Package Information
- 28-lead SSOP: Small outline package with 28 leads
Pin Configuration
- Pin 1: VDD - Positive supply voltage
- Pin 2: AGND - Analog ground
🔧 Application Guidelines
Design Considerations
The AD1877 is a high-performance ADC designed for audio and other high-fidelity applications. To achieve optimal performance, careful attention should be paid to the design of the analog input circuitry, including the selection of suitable op-amps and passive components.
Installation Guidelines
The AD1877 is available in a 28-lead SSOP package and should be mounted on a printed circuit board (PCB) with suitable thermal management to ensure reliable operation.
Operational Notes
The AD1877 operates from a 5 V supply and accepts a wide range of analog input signals. The device should be powered up and down slowly to avoid damage, and the analog input signals should be properly filtered and buffered to ensure optimal performance.