The silicon wafer of the TDA1541 were produced at Philips Nijmegen.

The ingenious design of the electronic circuit guarantees a high performance and superior sound quality.

The TDA1541A is therefore extremely suitable for use in top-end hi-fi digital audio equipment such as high quality Compact Disc players or digital amplifiers.

The TDA1541A accepts input sample formats in time multiplexed mode or simultaneous mode up to 16-bit word length.

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The flexible input data format allows easy interfacing with signal processing chips such as interpolation filters, error correction circuits, pulse code modulation adaptors and audio signal processors (ASP).

The high maximum input bit-rate and fast setting facilitates application in 8 oversampling systems (44.1 kHz to 352.8 kHz or 48 kHz to 384 kHz) with the associated simple analog filtering function (low order, linear phase.

True 16-bit performance is achieved by each channel using three 2-bit active dividers, operating on the dynamic element matching principle, in combination with a 10-bit passive current divider, based on emitter scaling.

In fact, previous select product levels were ealisy exceeded through improvements in the manufacturing process and manufacturing precision of the device.

The TDA1541A S2 was installed in the Marantz CD-95Ltd together with the SAA7220PB.

Later, Marantz successfully employed the TDA1541A S2 16-bit DA converter as a finishing touch in the Marantz Project D-1.

Production of the SAA7220PB digital filter had stopped long before this, so Marantz technicians programmed an 8x over sampling digital filter circuit for use as a high speed DSP.

Since actual production of the TDA1541A S2 has stopped long before, the number of players that could be produced using this device was limited from the start.

Marantz used their precious stock of TDA1541A S2 to design digital filter circuits with high-speed DSPs in the same way as the Marantz Project D-1.

The Marantz CD-7 however used 4x over sampling equivalent to the SAA7220PB and a primary noise shaping circuit modeled on the secondary noise shaping circuitry in the digital filter SAA7030 (used with the first 14-bit DAC TDA1540) but fitted with an onoff function.

Actually, since the phase characteristic could also be calculated, the digital filter was used to calculate the pass-through characteristics of the analog low-pass filter and its phase correction.

In other words, the unit was engineered on the premise that the signal output from the CD player would be completely linear and receive no phase correction.

In addition, a variety of other technologies have been used during the process of converting the digital signal back to analog.

This concludes the history of the Philips multi-bit digital audio DACs.

It was produced in 1984 at the Philips Anton Niko 3 (AN3) plant at Nijmegen.

So a TDA1541A HSH9236 was processed in Nijmegen, assembled in Kaohsiung Taiwan, tested in Nijmegen Holland.

A TDA1541A S2 RSH9713 was processed in HsinchuTSMC Taiwan, assembled in Koashiung Taiwan, tested in Nijmegen Holland.

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The TDA1541 series are multi-bit DACs employing a DEM (dynamic ekement matching) circuit.

At first, the TDA1541 was used in combination with the Philips-made SAA7220PA 4x over sampling digital filter (a noise shaper circuit was not required and was not used).

The TDA1541 (non -A) was launched from 1985 to 1988, and it had no grades.

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