Overview
The AD1934YSTZ-RL is a high-performance, single-chip digital-to-analog converter (DAC) produced by Analog Devices Inc. This component features eight digital-to-analog converters with single-ended output, utilizing Analog Devices' patented multibit sigma-delta (Σ-Δ) architecture. The AD1934 operates from a single 3.3 V supply for both digital and analog operations, minimizing power consumption and reducing electromagnetic interference (EMI). The device includes an on-board phase-locked loop (PLL) that can derive the master clock from an LR clock or an external crystal, eliminating the need for a separate high-frequency master clock. An SPI port allows for microcontroller control over various parameters, including volume and mute functions.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (DVDD, AVDD) | 3.0 | 3.3 | 3.6 | V |
| Operating Temperature Range | -40 | 105 | °C | |
| Sample Rates | 8 kHz | 192 kHz | ||
| Resolution | 24 bits | |||
| DAC Dynamic Range and SNR | 108 dB | |||
| THD + N | -94 dB | |||
| Package Type | 48-lead LQFP | |||
| Pin Count | 48 |
Key Features
- Eight digital-to-analog converters with single-ended output using multibit sigma-delta (Σ-Δ) architecture.
- On-board PLL for generating the master clock from an LR clock or external crystal.
- Low EMI design to minimize electromagnetic interference.
- Single 3.3 V supply for both digital and analog operations.
- Tolerance for 5 V logic inputs.
- Log volume control with autoramp function.
- Software-controllable clickless mute and power-down.
- SPI port for microcontroller control over various parameters.
- Support for right-justified, left-justified, I2S, and TDM modes.
- Master and slave modes up to 16-channel in/out.
Applications
- Automotive audio systems.
- Home theater systems.
- Set-top boxes.
- Digital audio effects processors.
Q & A
- What is the resolution of the AD1934YSTZ-RL DAC?
The AD1934YSTZ-RL has a resolution of 24 bits.
- What are the supported sample rates for the AD1934YSTZ-RL?
The supported sample rates range from 8 kHz to 192 kHz.
- What is the dynamic range and SNR of the AD1934YSTZ-RL?
The dynamic range and SNR are 108 dB.
- What is the THD + N of the AD1934YSTZ-RL?
The THD + N is -94 dB.
- What type of package does the AD1934YSTZ-RL come in?
The AD1934YSTZ-RL comes in a 48-lead LQFP package.
- Does the AD1934YSTZ-RL support SPI control?
Yes, the AD1934YSTZ-RL includes an SPI port for microcontroller control.
- What are the operating temperature ranges for the AD1934YSTZ-RL?
The operating temperature range is from -40°C to 105°C.
- Is the AD1934YSTZ-RL designed for low EMI?
Yes, the AD1934YSTZ-RL is designed with low EMI considerations in both system and circuit design architectures.
- What are some common applications for the AD1934YSTZ-RL?
Common applications include automotive audio systems, home theater systems, set-top boxes, and digital audio effects processors.
- Does the AD1934YSTZ-RL support log volume control and autoramp function?
Yes, it supports log volume control with an autoramp function.
