Product Summary

The SA626DK is a low-voltage high performance monolithic FM IF system incorporating a mixer/oscillator, two limiting intermediate frequency amplifiers, quadrature detector, high speed logarithmic received signal strength indicator (RSSI), voltage regulator and audio and fast RSSI op amps. The SA626DK is available in 20-lead SOL (surface-mounted small outline large package) and 20-lead SSOP (shrink small outline package).

Parametrics

SA626DK absolute maximum ratings: (1)Single supply voltage: 0.3 to 7 V; (2)VIN Voltage applied to any other pin: –0.3 to (VCC+0.3) V; (3)TSTG Storage temperature range: -65 to +150 ℃; (4)TA Operating ambient temperature range SA626: –40 to +85 ℃; (5)Thermal impedance: D package: 90 ℃/W, DK package: 117 ℃/W.

Features

SA626DK features: (1)Fast RSSI rise and fall times; (2)Low power consumption: 6.5mA typ at 3V; (3)Power down mode (ICC = 200mA); (4)Mixer input to >500MHz; (5)Mixer conversion power gain of 11dB at 240MHz; (6)Mixer noise figure of 14dB at 240MHz; (7)XTAL oscillator effective to 150MHz (L.C. oscillator to 1GHz, local oscillator can be injected); (8)92dB of IF Amp/Limiter power gain; (9)25MHz limiter small signal bandwidth; (10)Temperature compensated logarithmic Received Signal Strength Indicator (RSSI) with a dynamic range in excess of 90dB.

Diagrams

SA626DK block diagram

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