Overview
The TLV320ADC6140IRTWR, manufactured by Texas Instruments, is a high-performance quad-channel audio analog-to-digital converter (ADC) designed for applications requiring superior audio quality. This model is part of the Burr-Brown™ audio ADC series, known for its exceptional signal-to-noise ratio (SNR) and dynamic range. It is targeted at professional audio equipment, conferencing systems, and other high-fidelity audio applications. The TLV320ADC6140IRTWR stands out for its ability to handle multiple audio inputs simultaneously, making it a versatile choice for complex audio systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of ADC Channels | 4 | - | Supports up to 4 analog or 8 digital PDM microphone inputs |
| Sampling Rate | 768 | kHz | Adjustable from 8kHz to 768kHz |
| SNR | 122 | dB | Typical value |
| Dynamic Range | 123 | dB | With DRE enabled |
| THD+N | -98 | dB | Total Harmonic Distortion plus Noise |
| Input Voltage | 2 (Differential), 1 (Single-ended) | V RMS | Full-scale input |
| Power Supply | 1.8, 3.3 | V | Single supply operation |
| Operating Temperature | -40 to +125 | °C | Industrial range |
| Package | WQFN-24 | - | Surface mount |
Key Features
- Quad-channel audio ADC with 768kHz sampling rate
- High SNR of 122dB for superior audio clarity
- Supports both analog and digital microphone inputs
- Programmable gain and digital volume control
- Integrated PLL for precise clock management
- Low power consumption at 8.5mW per channel
- Flexible audio interface options including I2S, TDM, and LJ
Applications
The TLV320ADC6140IRTWR is ideally suited for a variety of high-end audio applications. It is commonly used in professional audio equipment such as mixers, audio interfaces, and digital audio workstations (DAWs). Its ability to handle multiple inputs makes it perfect for conferencing systems and telepresence solutions. Additionally, it is used in automotive audio systems, home theater setups, and other consumer electronics where high-fidelity audio is essential.
Q & A
What is the maximum sampling rate of the TLV320ADC6140IRTWR?
The maximum sampling rate is 768kHz.
How many analog channels does it support?
It supports up to 4 analog channels.
What is the typical SNR of this ADC?
The typical SNR is 122dB.
Can it handle digital microphone inputs?
Yes, it can handle up to 8 digital PDM microphone inputs.
What is the operating temperature range?
It operates from -40°C to +125°C.
What power supply voltages are supported?
It supports single supply operation at 1.8V and 3.3V.
What is the package type?
It comes in a WQFN-24 package.
Does it have programmable gain control?
Yes, it offers programmable gain from 0dB to 42dB.
What audio interface formats are supported?
It supports I2S, TDM, and LJ formats.
Is it suitable for automotive applications?
Yes, it is suitable for automotive audio systems due to its robust performance and industrial temperature range.
