Overview
The AD1937WBSTZ-RL is a high-performance, single-chip codec designed by Analog Devices Inc. This device integrates four analog-to-digital converters (ADCs) with differential inputs and eight digital-to-analog converters (DACs), making it a versatile solution for various audio applications. The codec operates at a sampling rate of up to 192 kHz and supports 24-bit resolution, ensuring high-fidelity audio processing. It is particularly suited for applications requiring low electromagnetic interference (EMI) and efficient power management, as it operates from 3.3 V digital and analog supplies.
Key Specifications
| Parameter | Description |
|---|---|
| Number of ADCs | 4 (with differential input) |
| Number of DACs | 8 |
| Sampling Rate | Up to 192 kHz |
| Resolution | 24-bit |
| Supply Voltage | 3.3 V (digital and analog) |
| Package Type | 64-lead LQFP (10mm x 10mm) |
| Clock Source | On-board PLL, LR (frame) clock, or external crystal |
Key Features
- Low EMI Design: The AD1937 is designed to minimize electromagnetic interference through its system and circuit architectures, including the use of continuous time architecture for the DACs and ADCs.
- On-Board PLL: Allows the derivation of the master clock from the LR (frame) clock or an external crystal, eliminating the need for a separate high-frequency master clock.
- Volume Control and Parameter Adjustment: Includes a 2C® port for adjusting volume and other parameters via a microcontroller.
- Efficient Power Management: Operates from 3.3 V supplies to minimize power consumption and reduce emissions.
Applications
The AD1937WBSTZ-RL is suitable for a variety of audio applications, including professional audio equipment, automotive audio systems, and general-purpose audio processing where high fidelity and low EMI are critical.
Q & A
- What is the sampling rate of the AD1937WBSTZ-RL?
The AD1937WBSTZ-RL supports a sampling rate of up to 192 kHz.
- How many ADCs and DACs does the AD1937WBSTZ-RL have?
The device has 4 ADCs with differential inputs and 8 DACs.
- What is the resolution of the AD1937WBSTZ-RL?
The resolution is 24-bit for both ADCs and DACs.
- What is the supply voltage for the AD1937WBSTZ-RL?
The device operates from 3.3 V digital and analog supplies.
- What type of package does the AD1937WBSTZ-RL come in?
The device is available in a 64-lead LQFP (10mm x 10mm) package.
- How does the AD1937WBSTZ-RL minimize EMI?
The device uses continuous time architecture for the DACs and ADCs and an on-board PLL to derive the master clock, reducing the need for high-frequency clocks and thus minimizing EMI.
- Can the AD1937WBSTZ-RL be controlled by a microcontroller?
Yes, it includes a 2C® port for adjusting volume and other parameters via a microcontroller.
- What are some typical applications for the AD1937WBSTZ-RL?
Typical applications include professional audio equipment, automotive audio systems, and general-purpose audio processing.
- Is the AD1937WBSTZ-RL available in tape and reel packaging?
Yes, the AD1937WBSTZ-RL is available in tape and reel packaging.
- What is the current production status of the AD1937WBSTZ-RL?
The AD1937WBSTZ-RL is in production status.
