PT8211 16-Bit DAC

PT8211 is a dual-channel Digital to Analog converter IC that is specially designed for audio-related applications. It is based on 16-bit resolution and the internal architecture is based on the R-2R resistor ladder network.

It supports a wide range of sample frequencies and compatible with TDA1311 in functionality. The digital input timing format follows the Least significant bit justified (LSBJ), referred to as the Japanese input format.

 

Pin Description of PT8211

Pin Number	Pin Name	Description
1	BCK	Serial Bit Clock Input
2	WS	Word Select Clock Input Pin
3	DIN	Data Input Pin
4	GND	Ground
5	VDD	Positive Power Supply
6	LCH	Left Channel Output
7	NC	No Connection
8	RCH	Right Channel Supply

 

The pinout is shown in the below image-

 

 

Features and Specification of PT8211

• 3-6V Operating voltage, suitable for 3.3V & 5.0V operations.
• This D/A converter uses CMOS Technology
• It supports 3.3 V bus input level
• Low power consumption
• 16-bit dynamic range
• Low total harmonic distortion
• In this microcontroller Two audio channel output in the same chip
• No phase shift between both output channel

 

Note: Complete technical details can be found in the PT8211 Datasheet, linked at the bottom of this page.

 

Alternative Product of PT8211

The other equivalent for PT8211 is listed below.

1.    PCM5252

2.    PCM1690

3.    PCM1789

 

PT8211 Digital to Analog Converter IC Overview

PT8211 is an Audio grade, dual-channel (stereo) based Digital to Analog Converter with a 16-Bit resolution. It is suitable for use in various audio-related products where the Digital to analog converter is required for audio reproduction or conversion-related work.

As it has two channels in a single chip, it effectively reduces additional component counts in stereo applications.

PT8211 also offers low total harmonic distortion, thus audio noise-related issues are minimized as well as it consumes low power making it suitable for use in mobile or battery-powered applications.

 

How to Use the PT8211

The below image is showing the standard interfacing of the Digital to Analog converter. It requires basic components, only two op-amps and few low pass filter related RC circuits across the output.

Follow the below guidelines for Circuit and board design-related purposes-

1. Make ground plane for this circuit
2. Use a regulated power supply
3. Keep the connections short in distance
4. Use audio grade capacitors
5. Add additional low pass filters after the analog output.

 

Applications of PT8211

• CD/DVD/MP3 player
• Wide range of audio-related consumer products
• Sound card
• Digital audio equipment
• Recorders
• MPEG Decoders

 

2D Model of PT8211

The dimensions of PT8211 is given below to help you with selecting the PCB footprint for PT8211.