SI3012 ETC, SI3012 Datasheet

SI3012

Manufacturer Part Number

SI3012

Description

3.3 V FCC/JATE DIRECT ACCESS ARRANGEMENT

Manufacturer

ETC

Datasheet

1.SI3012.pdf (54 pages)

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3 .3 V F C C / J AT E D

Features

Complete DAA includes the following:

Applications

Description

The Si3035 is an integrated direct access arrangement (DAA) chipset that

provides a digital, low-cost, solid-state interface to a telephone line.

Available in two 16-pin small outline packages, it eliminates the need for an

analog front end (AFE), an isolation transformer, relays, opto-isolators, and

a 2- to 4-wire hybrid. The Si3035 dramatically reduces the number of

discrete components and cost required to achieve compliance with FCC

Part 68. The Si3035 interfaces directly to standard modem DSPs and

supports all FCC and JATE out-of-band noise requirements. International

support is provided by the pin compatible Si3034.

Functional Block Diagram

Rev. 1.2 12/00

RG DT/FSD

3.3 V to 5 V Digital/Analog

Power Supplies

JATE Filter Option

86 dB Dynamic Range TX/RX

Paths

Daisy-Chaining for Up to Eight

Devices

Integrated Ring Detector

3000 V Isolation

V.90 Modems

Voice Mail Systems

FC/RG T

FSYNC

RESET

MO DE

MCLK

O FHK

AO UT

SCLK

SDO

SDI

Interface

Control

Digital

Si3021

Interface

Isolation

Support for Caller ID

Low Profile SOIC Packages

Direct Interface to DSPs

Integrated Modem Codec

Compliant with FCC Part 68

Low-Power Standby Mode

Proprietary ISOcap™ Technology

Pin Compatible with Si3034, Si3032

Optional IIR Digital Filter

Fax Machines

Set Top Boxes

I R E C T

Interface

Isolation

Si3012

Hybrid

Termination

Ring Detect

O ff-Hook

O ut

C C E S S

HYBD

VREG 2

VREG

DCT

REXT

IG ND

RNG 1

RNG 2

Q B

Q E

R R A N G E M E N T

US Patent # 5,870,046

US Patent # 6,061,009

Other Patents Pending

FC/RGDT

FSYNC

RESET

AOUT

MCLK

RNG1

RNG2

SCLK

TSTA

TSTB

IGND

GND

SDO

C1A

C1B

Si3012 (SOIC or TSSOP)

SDI

Ordering Information

SDI

Pin Assignments

Si3021 (TSSOP)

See page 50.

Si3021 (SOIC)

S i 3 0 3 5

Si3035-DS12

SCLK

FSYNC

MCLK

OFHK

RGDT/FSD

OFHK

RGDT/FSD

GND

C1A

AOUT

REXT

DCT

HYBD

VREG2

VREG

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