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SAA7740H

NXP
Part Number SAA7740H
Manufacturer NXP
Description Digital Audio Processing-IC
Published Apr 8, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET SAA7740H Digital Audio Processing IC (DAPIC) Product specification Supersedes data of 19...
Datasheet PDF File SAA7740H PDF File

SAA7740H
SAA7740H

Overview
INTEGRATED CIRCUITS DATA SHEET SAA7740H Digital Audio Processing IC (DAPIC) Product specification Supersedes data of 1996 Mar 11 File under Integrated Circuits, IC01 1997 May 30 Philips Semiconductors Product specification Digital Audio Processing IC (DAPIC) FEATURES Hardware • Two digital inputs and two digital outputs in the I2S-bus format (i.
e.
4 audio channels) • Independent input/output interfaces • Slave input/output interfaces • Slave processing • I2C-bus microcontroller interface • DC filtering at the inputs • One programmable 2nd-order digital filter unit • Two multiply accumulate processor units (24 × 16-bit/MAC) • DRAM interface and address computation unit for external delay lines • On-chip coefficient and external delay line address storage • Hardware controlled soft mute via the MUTE pin • Hardware controlled soft demute via the RST pin • Operating ambient temperature; −40 to +85 °C.
Software • 5-band parametric equalizer with selectable centre frequency, slope setting and boost/cut gain settings from −12 to +12 dB • Stereo width control from mono to stereo to spatial stereo • Stereo Hall-effects for field acoustics, such as concert halls, with 8 coefficients and 8 delayed taps per channel QUICK REFERENCE DATA SYMBOL VDD(tot) IDD(tot) fxtal Ptot Tamb PARAMETER total DC supply voltage total DC supply current input crystal frequency total power dissipation operating ambient temperature fxtal = 16.
9344 MHz CONDITIONS all VDD pins fxtal = 16.
9344 MHz − 12.
288 − −40 MIN.
4.
5 TYP.
5.
0 60 16.
9344 0.
3 − SAA7740H • External delay line processing for delays up to 1 second • Reverberation with selectable reverberation time (up to 5 seconds) and energy • Three different surround sound programs to obtain a spatial effect on 4 loudspeakers • Passive DOLBY surround processing with the addition of an external dynamic noise reduction IC • Karaoke processing • Dual 16th-order correction filtering • Quad 8th-order correction filtering • Digital volume and balance co...


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