IAN CANADA ES9028Q2M DAC HAT Raspberry Pi / I2S & SPDIF / PCM DSD

ES9028Q2M DAC HAS
Ian Canada's 9028Q2M DAC HAT is a high level DAC for Raspberry Pi with SABRE ES9028Q2M chip.
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Shipping date: 05-03-2024.

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Ian Canada 9028Q2MPi

DAC Dual Mono 384kHz - 32bit PCM / DSD512 Native & DOP128



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Ian Canada 9028Q2M  DAC HAT is a high level of DAC for Raspberry Pi. It uses a ES9028Q2M SABRE 32-bit chip.

This DAC is remarquable because of its lack of output stage: This module is made exclusively for performing quality digital / analog conversion. It must be connected to an output stage that can be selected from existing compatible components or self-assembled according to your own specifications.

In other words: DAC Ian Canada Raspberry Pi is a very efficient DAC (9028Q2M), which imposes no particular output stage to the makers. They can then freely meditate the best integration strategy depending on the type of project solutions, budget and compliances.

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DAC ES9028Q2M


Dual Mono DAC Pi employs a DAC chip ES9028Q2M. This ESS chip is used in a wide range of  portable / sedentary high-fidelity devices and is famous for being one of the best hardware for audio conversion on the market.

It uses famous architecture HyperStream 32 BIT 384kHz and a support native DSD 512. Dac chip also comes with advanced reconstruction filters and has an excellent finesse in dithering.


Modular power supply


By default, the module operates with three separate power units. The latter form the balanced power stage in charge of supply properly each DAC chips.

Then simply connect any 3.3V / 100ma (mini) low noise power supply on the DC input (terminal J3 on the circuit) so that the DAC is immediately operational.

It is also possible to go further and connect a hyper capacitor on the DC input (the perforation is already present on the PCB) or a LiFePO4 battery to enhance audio performance.

In traditional use (50MHZ MCLK ASYNC) the circuit draws approximately 50mA from the power supply.

To go even further, each power unit also has its location for super capacitor (4 total).

The most ruthless audiophiles will also be pleased to discover that each power unit is mounted on a breakable portion of the PCB. It is enough to use a knife to remove these items and install 3 power supply of your choice on left vacant pellets.



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Synchronous or asynchronous clock

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The module can use its own internal clock 100MHz (asynchronous) and can work with an external clock (synchronous) of 22.5792MHz to 98.3040MHz. Properly used, this second mode offers unmatched performance from the viewpoint of jitter. It will therefore naturally favored by the most discerning audiophiles.

When used in synchronous MCLK guide (e.g. mounted on a FifoPi with galvanic isolation and removable clocks), this  9028Q2MPi DAC operates from an external clock signal. In other words, it is very easy to inject a clocks signal without requiring direct circuit modification  (just use a jumper to enable / disable async mode).

Note, however, that to enjoy the SYNC mode in all its qualities, it is necessary to set the bandwidth of the digital phase locked loop (DPLL). This operation requires an ESS controller (like the ECCS, specially designed for this or any driver capable of editing the register of a ESS9028Q2M chip).

Scalable DAC module


If the use of a ESS controller is perfect for fine-tuning the DAC chips (the controller Ian Canada FifoPi the same manufacturer allow the module to work TrueSync mode), there are plenty of upgrades that can be done by the user.

Depending on your goals you may :
- Install a FiFoPi / Isolator between Raspberry Pi and DAC
- If you can not work with a reclocker (FifoPi), the clock on the DAC itself is  removable.
- Install an ESS controller to change the DAC settings on the fly
- Customize the powering system to improve audio performance.
- Install an output stage suitable for your installation, its constraints and your personal preferences

Dimensions and distances

Dimensions and Mounting hole spacing Ian Canada Dual mono 9038 ESS sabre
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Le DAC 9028Q2MPI fully mounted with all its accessories

le DAC 9038Q2MPI monté avec reclocker, étage de sortie, contrôleur ESS et RPI

Caution : this product is only the DAC module. Accessories are not included and must be bought separately.

Specifications
TypeModule DAC
DAC chipES9028Q2M
InputsGPIO (RPI)
SPDIF
Outputsbalanced output connector 2.54mm
2 x 5 pins
Supported frequencies386kHz 16/24/32 bit PCM
DSD 512
DSD128 (DOP / SPDIF)
Auto detection of signal typeYes
Dimensions65 x 57.5 mm
Distances58 x 49 mm
 
Data sheet
InputI2S
OutputPCB Connector
OutputGPIO
DAC / ADC ChipES9028Q2M
Max sampling rateDSD512
Max sampling rate384kHz
 
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IAN CANADA ES9028Q2M DAC HAT Raspberry Pi / I2S & SPDIF / PCM DSD
Ian Canada's 9028Q2M DAC HAT is a high level DAC for Raspberry Pi with SABRE ES9028Q2M chip.

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