sta321mp STMicroelectronics, sta321mp Datasheet

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sta321mp

Manufacturer Part Number
sta321mp
Description
Four-channel Digital Audio System With Ffx? Driver
Manufacturer
STMicroelectronics
Datasheet

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Features
January 2011
For further information contact your local STMicroelectronics sales office.
High efficiency FFX™ class-D modulator
100 dB dynamic range
Two stereo channels with I²S input/output data
interface
16-bit stereo ADC input with PGA and
microphone biasing
PDM input interface for MEMS microphones
connection
Analog and digital muxing/mixing capability
Eight-channel input sample rate converter
(8 kHz to 192 kHz)
Four channels of 24-bit audio processing
Flexible channel mapping and routing
Output configurations:
– 2.0
– 2.1
– 4.0
– Mono
Advanced Four-channel programmable audio
processor including:
– Embedded CMOS bridge,
– pfStart for pop-free single-ended
– Dynamic range compressor
– Play and record simultaneous operation
– Pre and post mix stages
– Individual channel and master
– Digital gain/attenuation -105 dB to +36 dB
– Soft volume update and muting
– DC-blocking selectable high-pass filter
– Selectable de-emphasis filter
– Up to 13 28-bit user programmable biquads
up to 0.5 W/channel
operations
gain/attenuation
in 0.5 dB steps
(EQ) per channel
Four-channel digital audio system with FFX™ driver
Doc ID 18360 Rev 1
Description
The STA321MP is a single chip solution for digital
audio processing applications of up to 4.0
channels, and provides a seamless connection
with MEMS and the most common sensors. The
STA321MP is optimized for the latest tablet PC
and portable applications.
The STA321MP is part of the Sound Terminal™
family that provides full digital audio streaming to
the speaker, offering cost effectiveness, low
energy dissipation and sound enrichment.
– Advanced noise-shaping technologies
– Bass/treble tone control
Ternary, binary or phase shift modulation
PWM output
Headphone output with jack detector
I²C control
enabling low frequencies optimized
processing
STA321MP
www.st.com
Data brief
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sta321mp Summary of contents

Page 1

... Headphone output with jack detector ■ I²C control Description The STA321MP is a single chip solution for digital audio processing applications 4.0 channels, and provides a seamless connection with MEMS and the most common sensors. The STA321MP is optimized for the latest tablet PC and portable applications. The STA321MP is part of the Sound Terminal™ ...

Page 2

... Overview 1 Overview The STA321MP input section consists of two multiplexed stereo analog inputs; a 16-bit ADC, two independent digital input interfaces, and a PDM interface for MEMS microphone connection. The serial audio data input interface accepts all possible formats, including the popular I²S format. There is also a digital output interface fed by the ADC or by the digitally processed signals ...

Page 3

... STA321MP 2 Package mechanical data The STA321MP comes in a 56-pin × 8mm, VFQFPN2 package. In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ...

Page 4

... VFQFPN2 56 dimension REF ddd Table 2. VFQFPN2 56 exposed pad variation VARIATION A 4.15 B 5.75 C 6.15 4/6 MIN TYP 0.80 0.90 0.02 0.65 0.20 0.18 0.25 7.85 8.00 7.75 SEE EXPOSED PAD VARIATION 7.85 8.00 7.75 SEE EXPOSED PAD VARIATION 0.50 0.30 0.40 D2 MIN TYP MAX 4.30 4.45 5.90 6.05 6.30 6.40 Doc ID 18360 Rev 1 MAX 1.00 0.05 1.00 0.30 8.15 8.15 0.50 0.60 12 DEGREES 0.08 E2 MIN TYP MAX 4.15 4.30 4.45 5.75 5.90 6.05 6.15 6.30 6.40 STA321MP NOTES NOTES ...

Page 5

... STA321MP 3 Revision history Table 3. Document revision history Date 4-Jan-2011 Revision 1 Initial release. Doc ID 18360 Rev 1 Revision history Changes 5/6 ...

Page 6

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 6/6 Please Read Carefully: © 2011 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 18360 Rev 1 STA321MP ...

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