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Datasheet

SA615
(Product Specification)
11-Nov-97, 14 pages, 130 kB

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High performance low power mixer FM IF system

General description
Features
Products/packages
Chemical content
Pricing/ordering/availability
Samples
Applications
Block diagrams/pinning
Technical documents
Parametrics/similar products
Print/email

General description

The SA615 is a high performance monolithic low-power FM IF system incorporating a mixer/oscillator, two limiting intermediate frequency amplifiers, quadrature detector, muting, logarithmic received signal strength indicator (RSSI), and voltage regulator. The SA615 combines the functions of Signetics’ SA602 and SA604A, but features a higher mixer input intercept point, higher IF bandwidth (25MHz) and temperature compensated RSSI and limiters permitting higher performance application. The SA615 is available in 20-lead dual-in-line plastic, 20-lead SOL (surface-mounted miniature package) and 20-lead SSOP (shrink small outline package).

The SA605 and SA615 are functionally the same device types. The difference between the two devices lies in the guaranteed specifications. The SA615 has a higher ICClower input third order intercept point, lower conversion mixer gain, lower limiter gain, lower AM rejection, lower SINAD, higher THD, and higher RSSI error than the SA615. Both the SA605 and SA615 devices will meet the EIA specifications for AMPS and TACS cellular radio applications.

For additional technical information please refer to application notes AN1994, 1995 and 1996, which include example application diagrams,a complete overview of the product, and artwork for reference.

Features

  • Low power consumption: 5.7mA typical at 6V
  • Mixer input to >500MHz
  • Mixer conversion power gain of 13dB at 45MHz
  • Mixer noise figure of 4.6dB at 45MHz
  • XTAL oscillator effective to 150MHz (L.C. oscillator to 1GHz local oscillator can be injected)
  • 102dB of IF Amp/Limiter gain
  • 25MHz limiter small signal bandwidth
  • Temperature compensated logarithmic Received Signal Strength Indicator (RSSI) with a dynamic range in excess of 90dB
  • Two audio outputs – muted and unmuted
  • Low external component count; suitable for crystal/ceramic/LC filters
  • Excellent sensitivity: 0.22mV into 50W matching network for 12dB SINAD (Signal to Noise and Distortion ratio) for 1kHz tone with RF at 45MHz and IF at 455kHz
  • SA615 meets cellular radio specifications
  • ESD hardened

Products/packages

Type numberNorth American Type numberOrdering code (12NC)Product statusPackagePackingMarkingChemical contentLeadfree conversion date
SA615D/01SA615D/019352 752 83112Volume productionSOT163-1
(SO20)
TubeStandard MarkingSA615D/01
week 12, 2005
SA615D/01SA615D/01-T9352 752 83118Volume productionSOT163-1
(SO20)
Tape reel smdStandard MarkingSA615D/01
week 12, 2005
SA615DK/01SA615DK/019352 752 84112Volume productionSOT266-1
(SSOP20)
TubeStandard MarkingSA615DK/01
week 12, 2005
SA615DK/01SA615DK/01-T9352 752 84118Volume productionSOT266-1
(SSOP20)
Reel Pack, SMD, 13"Standard MarkingSA615DK/01
week 12, 2005

Pricing/ordering/availability

Type numberOrdering code(12NC)Indicative price/unit($)RegionDistributorIn stockInventory dateBuy onlineSamples
SA615D/019352 752  83112  2.6800NADIGI-KEY CORPORATION1,2318/28/2008 Buy online not available
   NAFUTURE ELECTRONICS2348/27/2008 Buy online  
SA615D/019352 752  83118  2.6800NAAVNET ELECTRONICS MARKETING6,0008/27/2008 Buy online Order samples
SA615DK/019352 752  84112  2.6800NADIGI-KEY CORPORATION9978/28/2008 Buy online not available
SA615DK/019352 752  84118  2.6800      Order samples

Applications

  • Cellular radio FM IF
  • High performance communications receivers
  • Single conversion VHF/UHF receivers
  • SCA receivers
  • RF level meter
  • Spectrum analyzer
  • Instrumentation
  • FSK and ASK data receivers
  • Log amps
  • Wideband low current amplification

Technical documents

Support Documents

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