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SA636芯片手册_图文

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2024年5月8日发(作者:喻瑾)

RF COMMUNICATIONS PRODUCTS

SA636

Low voltage high performance mixer FM

IF system with high-speed RSSI

Product specification

Replaces data of 1994 Jun 16

IC17 Data Handbook

1997 Nov 07

Philips Semiconductors

Philips SemiconductorsProduct specification

Low voltage high performance mixer FM IF

system with high-speed RSSI

SA636

DESCRIPTIONPIN CONFIGURATION

The SA636 is a low-voltage high performance monolithic FM IF

system with high-speed RSSI incorporating a mixer/oscillator, two

DK Package

limiting intermediate frequency amplifiers, quadrature detector,

logarithmic received signal strength indicator (RSSI), voltage

regulator, wideband data output and fast RSSI op amps. The

RF

IN

120

MIXER OUT

SA636 is available in 20-lead SSOP (shrink small outline package).

RF BYPASS

219

IF AMP DECOUPLING

The SA636 was designed for high bandwidth portable

XTAL OSC

(EMITTER)

318

IF AMP IN

communication applications and will function down to 2.7V. The RF

section is similar to the famous SA605. The data output has a

XTAL OSC (BASE)

417

IF AMP DECOUPLING

minimum bandwidth of 600kHz. This is designed to demodulate

V

CC

516

IF AMP OUT

wideband data. The RSSI output is amplified. The RSSI output has

RSSI FEEDBACK

615

GND

access to the feedback pin. This enables the designer to adjust the

level of the outputs or add filtering.

RSSI

OUT

714

LIMITER IN

SA636 incorporates a power down mode which powers down the

POWER DOWN CONTROL

813

LIMITER DECOUPLING

device when Pin 8 is low. Power down logic levels are CMOS and

DATA OUT

912

LIMITER DECOUPLING

TTL compatible with high input impedance.

QUADRATURE IN

1011

LIMITER OUT

APPLICATIONS

DECT (Digital European Cordless Telephone)

SR00491

Digital cordless telephones

Figure 1. Pin Configuration

Digital cellular telephones

Portable high performance communications receivers

XTAL oscillator effective to 150MHz (L.C. oscillator to 1GHz local

oscillator can be injected)

Single conversion VHF/UHF receivers

92dB of IF Amp/Limiter gain

FSK and ASK data receivers

25MHz limiter small signal bandwidth

Wireless LANs

Temperature compensated logarithmic Received Signal Strength

Indicator (RSSI) with a dynamic range in excess of 90dB

FEATURES

RSSI output internal op amp

Wideband data output (600kHz min.)

Internal op amps with rail-to-rail outputs

Fast RSSI rise and fall times

Low external component count; suitable for crystal/ceramic/LC

Low power consumption: 6.5mA typ at 3V

filters

Mixer input to >500MHz

Excellent sensitivity: 0.54µV into 50Ω matching network for 12dB

SINAD (Signal to Noise and Distortion ratio) for 1kHz tone with RF

Mixer conversion power gain of 11dB at 240MHz

at 240MHz and IF at 10.7MHz

Mixer noise figure of 12dB at 240MHz

ESD hardened

10.7MHz filter matching (330Ω)

Power down mode (I

CC

= 200µA)

ORDERING INFORMATION

DESCRIPTIONTEMPERATURE RANGEORDER CODEDWG #

20-Pin Plastic Shrink Small Outline Package (Surface-mount)-40 to +85°CSA636DK

SOT266-1

1997 Nov 07

2

853-1757 18664

2024年5月8日发(作者:喻瑾)

RF COMMUNICATIONS PRODUCTS

SA636

Low voltage high performance mixer FM

IF system with high-speed RSSI

Product specification

Replaces data of 1994 Jun 16

IC17 Data Handbook

1997 Nov 07

Philips Semiconductors

Philips SemiconductorsProduct specification

Low voltage high performance mixer FM IF

system with high-speed RSSI

SA636

DESCRIPTIONPIN CONFIGURATION

The SA636 is a low-voltage high performance monolithic FM IF

system with high-speed RSSI incorporating a mixer/oscillator, two

DK Package

limiting intermediate frequency amplifiers, quadrature detector,

logarithmic received signal strength indicator (RSSI), voltage

regulator, wideband data output and fast RSSI op amps. The

RF

IN

120

MIXER OUT

SA636 is available in 20-lead SSOP (shrink small outline package).

RF BYPASS

219

IF AMP DECOUPLING

The SA636 was designed for high bandwidth portable

XTAL OSC

(EMITTER)

318

IF AMP IN

communication applications and will function down to 2.7V. The RF

section is similar to the famous SA605. The data output has a

XTAL OSC (BASE)

417

IF AMP DECOUPLING

minimum bandwidth of 600kHz. This is designed to demodulate

V

CC

516

IF AMP OUT

wideband data. The RSSI output is amplified. The RSSI output has

RSSI FEEDBACK

615

GND

access to the feedback pin. This enables the designer to adjust the

level of the outputs or add filtering.

RSSI

OUT

714

LIMITER IN

SA636 incorporates a power down mode which powers down the

POWER DOWN CONTROL

813

LIMITER DECOUPLING

device when Pin 8 is low. Power down logic levels are CMOS and

DATA OUT

912

LIMITER DECOUPLING

TTL compatible with high input impedance.

QUADRATURE IN

1011

LIMITER OUT

APPLICATIONS

DECT (Digital European Cordless Telephone)

SR00491

Digital cordless telephones

Figure 1. Pin Configuration

Digital cellular telephones

Portable high performance communications receivers

XTAL oscillator effective to 150MHz (L.C. oscillator to 1GHz local

oscillator can be injected)

Single conversion VHF/UHF receivers

92dB of IF Amp/Limiter gain

FSK and ASK data receivers

25MHz limiter small signal bandwidth

Wireless LANs

Temperature compensated logarithmic Received Signal Strength

Indicator (RSSI) with a dynamic range in excess of 90dB

FEATURES

RSSI output internal op amp

Wideband data output (600kHz min.)

Internal op amps with rail-to-rail outputs

Fast RSSI rise and fall times

Low external component count; suitable for crystal/ceramic/LC

Low power consumption: 6.5mA typ at 3V

filters

Mixer input to >500MHz

Excellent sensitivity: 0.54µV into 50Ω matching network for 12dB

SINAD (Signal to Noise and Distortion ratio) for 1kHz tone with RF

Mixer conversion power gain of 11dB at 240MHz

at 240MHz and IF at 10.7MHz

Mixer noise figure of 12dB at 240MHz

ESD hardened

10.7MHz filter matching (330Ω)

Power down mode (I

CC

= 200µA)

ORDERING INFORMATION

DESCRIPTIONTEMPERATURE RANGEORDER CODEDWG #

20-Pin Plastic Shrink Small Outline Package (Surface-mount)-40 to +85°CSA636DK

SOT266-1

1997 Nov 07

2

853-1757 18664

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