SA616 datasheet(2/17 Pages) PHILIPS

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Philips Semiconductors

Product specification

SA616

Low-voltage high performance mixer FM IF system

1997 Nov 07

853-1676 18665

DESCRIPTION

The SA616 is a low-voltage high performance monolithic FM IF

system incorporating a mixer/oscillator, two limiting intermediate

frequency amplifiers, quadrature detector, logarithmic received

signal strength indicator (RSSI), voltage regulator and audio and

RSSI op amps. The SA616 is available in 20-lead SSOP (shrink

small outline package).

The SA616 was designed for portable communication applications

and will function down to 2.7V. The RF section is similar to the

famous SA615. The audio and RSSI outputs have amplifiers with

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

the output levels or add filtering.

FEATURES

• Low power consumption: 3.5mA typical at 3V

• Mixer input to >150MHz

• Mixer conversion power gain of 17dB at 45MHz

• XTAL oscillator effective to 150MHz (L.C. oscillator or external

oscillator can be used at higher frequencies)

• 102dB of IF Amp/Limiter gain

• 2MHz IF amp/limiter small signal bandwidth

• Temperature compensated logarithmic Received Signal Strength

Indicator (RSSI) with a 80dB dynamic range

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

filters

• Excellent sensitivity: 0.31µV into 50Ω matching network for 12dB

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

at 45MHz and IF at 455kHz

• SA616 meets cellular radio specifications

• Audio output internal op amp

• RSSI output internal op amp

• Internal op amps with rail-to-rail outputs

• ESD protection: Human Body Model 2kV

Robot Model 200V

PIN CONFIGURATION

RF IN+

RF IN- DECOUPLING

OSCOUT

OSCIN

RSSI OUT

MIXER OUT

IF AMP IN

IF AMP OUT

GND

LIMITER IN

LIMITER OUT

VCC

DK Package

AUDIO FEEDBACK

RSSI FEEDBACK

QUADRATURE IN 10

IF AMP DECOUPLING

AUDIO OUT

IF AMP DECOUPLING

LIMITER DECOUPLING

SR00367

Figure 1. Pin Configuration

APPLICATIONS

• Portable cellular radio FM IF

• Cordless phones

• Wireless systems

• RF level meter

• Spectrum analyzer

• Instrumentation

• FSK and ASK data receivers

• Log amps

• Portable high performance communication receiver

• Single conversion VHF receivers

ORDERING INFORMATION

DESCRIPTION

TEMPERATURE RANGE

ORDER CODE

DWG #

20-Pin Plastic Shrink Small Outline Package (SSOP) (Surface-mount)

-40 to +85

°C

SA616DK

SOT266-1

ABSOLUTE MAXIMUM RATINGS

SYMBOL

PARAMETER

RATING

UNITS

VCC

Single supply voltage

TSTG

Storage temperature range

-65 to +150

°C

Operating ambient temperature range

-40 to +85

°C

θJA

Thermal impedance

DK package

117

°C/W

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