SL2009NP1T datasheet(1/12 Pages) ZARLINK

No de pièce	SL2009NP1T

Description	Dual stage IF amplifier for cable tuners

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Fabricant	ZARLINK [Zarlink Semiconductor Inc]

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SL2009

Dual stage IF ampliﬁer for cable tuners

DS5507

ISSUE 1.4

March 2002

Ordering Information

SL2009/KG/NP1T (Tape and Reel)

SL2009/KG/NP1S (Tubes)

Figure 2 - Block diagram

Features

•

Single chip solution for tuner IF gain and AGC

•

Contains 34 dB of AGC shared between two

AGC stages

•

Design optimised for high signal handling with

low inter-modulation spurious generation

•

I/O ports optimised to interface with standard

SAW ﬁlters

•

ESD protection (Normal ESD handling

procedures should be observed)

Applications

•

Cable Network interface modules and tuners

•

Data communications systems

Description

The SL2009 is a dual IF ampliﬁer intended for

application in cable tuners, and integrates all of the

IF gain and AGC required to deliver 1Vp-p in a

standard tuner conﬁguration.

The devices includes two stages of IF gain which are

both optimised to interface with inter-stage ﬁlters.

Both stages contain independent AGC facility, and

the ﬁrst stage contains a level detect for control of the

tuner AGC.

Figure 1 - Pin allocation

VCCIF

SDRIVEOPB

AGCOUT

AGC2

IFOP

VEE

IFOPB

VEE

AGC1

SDRIVEIP

SDRIVEIPB

AGCBIAS

IFIP

VCCSAW

SDRIVEOP

1

89

16

IFIPB

NP16

(15)

SDRIVEOP

AGC

SENDER

(14) SDRIVEOPB

IFOPB (7)

IFOP (5)

(1) IFIP

(2) IFIPB

(4) AGC2

(11) SDRIVEIP

(10) SDRIVEIPB

(12)

AGC1

AGCBIAS (9)

AGCOUT (13)

VccIF (3)

VccSAW (16)

Vee (6,8)

SAW

Driver

AGC

SENDER

AGC

SENDER

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