SA3229 datasheet(2/16 Pages) ONSEMI

2 / 16 page

RHYTHM SA3229

www.onsemi.com

• Eight Biquadratic Filters

• 16 kHz or 8 kHz Bandwidth

• Four Fully Configurable Memories with Audible

Memory Change Indicator

• 96 dB Input Dynamic Range with HRX Headroom

Extension

• 128−bit Fingerprint Security System and Other Security

Features to Protect Against Device Cloning and

Software Piracy

• High Fidelity Audio CODEC

• Soft Acoustic Fade between Memory Changes

• Drives Zero−Bias Two−Terminal Receivers

• E1 RoHS−compliant Hybrid

• Hybrid Typical Dimensions:

0.225 x 0.125 x 0.045 in

(5.72 x 3.18 x 1.14 mm)

• These Devices are Pb−Free and are RoHS Compliant

Figure 1. Hybrid Block Diagram

BLOCK DIAGRAM

MGND

GND

MIC1

TIN

DAI

MIC2

VREG

SDA

CLK

TR4

TR3

TR2

TR1

D_VC

PGND

OUT −

OUT+

VBP

A/D

TRIMMER/VC INTERFACE

PROGRAMMING

INTERFACE

REGULATOR

D/A

HBRIDGE

SA3229

PRE BIQUAD FILTERS

1−4

AGC−O

POST BIQUAD FILTERS

1 & 2

CROSS

FADER

NOISE GENERATOR

EVOKE

BIQUAD 1−4

MS2

910

FEEDBACK

CANCELLER

TONE

GENERATOR

MIC / TELECOIL

COMPENSATION

VC GAIN

WIDEBAND GAIN

PEAK

CLIPPING

1, 2 or 4 CHANNEL

WDRC

MS1

POST BIQUAD FILTERS

3 & 4

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