PCM1800E/2K

Product Overview

Category

The PCM1800E/2K belongs to the category of analog-to-digital converters (ADCs).

Use

This product is primarily used for converting analog audio signals into digital format.

Characteristics

• High-resolution: The PCM1800E/2K offers a high resolution of up to 16 bits, ensuring accurate conversion of analog signals.
• Low distortion: It provides low distortion levels, resulting in high-quality digital audio output.
• Wide dynamic range: With a wide dynamic range, this ADC can capture both soft and loud audio signals with clarity.
• Low power consumption: The PCM1800E/2K is designed to consume minimal power, making it suitable for portable devices.
• Compact package: It comes in a compact package, allowing for easy integration into various audio systems.

Package and Quantity

The PCM1800E/2K is available in a standard 28-pin SSOP (Shrink Small Outline Package). It is typically sold in reels containing a quantity of 2000 units.

Specifications

• Resolution: 16 bits
• Sampling Rate: Up to 48 kHz
• Signal-to-Noise Ratio (SNR): 90 dB
• Total Harmonic Distortion + Noise (THD+N): 0.005%
• Power Supply Voltage: 5 V
• Power Consumption: 10 mW (typical)

Pin Configuration

The PCM1800E/2K has a total of 28 pins. Here is the detailed pin configuration:

1. VINL: Analog Input (Left Channel)
2. VINR: Analog Input (Right Channel)
3. AGND: Analog Ground
4. VREF: Reference Voltage Input
5. DVDD: Digital Power Supply
6. DGND: Digital Ground
7. BICK: Bit Clock Input
8. LRCK: Left/Right Clock Input
9. DIN: Serial Data Input
10. MUTE: Mute Control Input
11. VOUTL: Digital Output (Left Channel)
12. VOUTR: Digital Output (Right Channel) 13-28: Not Used

Functional Features

• High-quality audio conversion: The PCM1800E/2K ensures accurate and faithful conversion of analog audio signals into digital format.
• Low distortion and noise: It minimizes distortion and noise levels, resulting in clear and pristine digital audio output.
• Flexible interface: The ADC supports a serial interface, making it compatible with various digital audio systems.
• Mute control: The built-in mute control allows for convenient muting of the audio signal when needed.

Advantages and Disadvantages

Advantages

• High resolution and wide dynamic range ensure excellent audio fidelity.
• Low power consumption makes it suitable for battery-powered devices.
• Compact package enables easy integration into audio systems.
• Low distortion and noise levels result in high-quality digital audio output.

Disadvantages

• Limited sampling rate compared to some higher-end ADCs.
• Requires an external reference voltage for operation.

Working Principles

The PCM1800E/2K operates on the principle of delta-sigma modulation. It converts the continuous analog audio signal into a discrete digital representation by oversampling the input signal and applying noise shaping techniques. This process effectively quantizes the analog signal into a digital format, preserving its essential characteristics.

Detailed Application Field Plans

The PCM1800E/2K is widely used in various audio applications, including: - Audio recording devices - Musical instruments - Home theater systems - Automotive audio systems - Portable media players

Alternative Models

Here are some alternative models that offer similar functionality to the PCM1800E/2K: - PCM1800E/2KX: Extended temperature range variant of PCM1800E/2K - PCM1801E/2K: Similar ADC with built-in microphone preamplifier - PCM1802E/2K: Higher resolution (24-bit) version of PCM1800E/2K

In conclusion, the PCM1800E/2K is a high-quality analog-to-digital converter that offers accurate conversion of analog audio signals into digital format. With its compact package, low power consumption, and excellent audio fidelity, it finds applications in various audio systems and devices.

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