SI3233-X-FM View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

SI3233-X-FM

PROSLIC® PROGRAMMABLE CMOS SLIC WITH RINGING/BATTERY VOLTAGE GENERATION

Silicon Laboratories 

Si3233

6. Pin Descriptions: Si3201

TIP 1

NC 2

RING 3

VBAT 4

VBATH 5

NC 6

GND 7

VDD 8

16 ITIPP

15 ITIPN

14 IRINGP

13 IRINGN

12 NC

11 STIPE

10 SRINGE

9 NC

Pin #

Name Input/ Description

Output

1

TIP

I/O TIP Output—Connect to the TIP lead of the subscriber loop.

2, 6, 9, 12

NC

— No Internal Connection—Do not connect to any electrical signal.

3

RING

I/O RING Output—Connect to the RING lead of the subscriber loop.

4

VBAT

— Operating Battery Voltage—Connect to the battery supply.

5

VBATH

— High Battery Voltage—This pin is internally connected to VBAT.

7

GND

— Ground—Connect to a low impedance ground plane.

8

VDD

— Supply Voltage—Main power supply for all internal circuitry. Connect to a

3.3 V or 5 V supply. Decouple locally with a 0.1 µF/6 V capacitor.

10

SRINGE

O

RING Emitter Sense Output—Connect to the SRINGE pin of the Si321x

pin.

11

STIPE

O TIP Emitter Sense Output—Connect to the STIPE pin of the Si321x pin.

13

IRINGN

I

Negative RING Current Control—Connect to the IRINGN lead of the

Si321x.

14

IRINGP

I

Positive RING Current Drive—Connect to the IRINGP lead of the Si321x.

15

ITIPN

I

Negative TIP Current Control—Connect to the ITIPN lead of the Si321x.

16

ITIPP

I

Positive TIP Current Control—Connect to the ITIPP lead of the Si321x.

Bottom-Side

Exposed Pad

— Exposed Thermal Pad—Connect to the bulk ground plane.

94

Preliminary Rev. 0.5

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