The SA636 is a low-voltage high performance monolithic FM IF system with high-speed RSSI incorporating a mixer/oscillator, two limiting intermediate frequency amplifiers, quadrature detector, logarithmic Received Signal Strength Indicator (RSSI), voltage regulator, wideband data output and fast RSSI op amps. The SA636 is available in 20-lead SSOP (Shrink Small Outline Package) and HVQFN20 (quad flat package).
The SA636 was designed for high bandwidth portable communication applications and will function down to 2.7 V. The RF section is similar to the famous SA605. The data output has a minimum bandwidth of 600 kHz. This is designed to demodulate wideband data. The RSSI output is amplified. The RSSI output has access to the feedback pin. This enables the designer to adjust the level of the outputs or add filtering.
SA636 incorporates a power-down mode which powers down the device when POWER_DOWN_CTRL pin is LOW. Power-down logic levels are CMOS and TTL compatible with high input impedance.
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Low voltage high performance mixer FM IF system with high-speed RSSI (REV 7.0) PDF (2.0 MB) SA636 | 16 Jun 2016 |
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FM/IF systems for SMSK/GFSK receivers (REV 2.0) PDF (983.0 kB) AN1997 | 18 Aug 2014 |
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RF/IF building blocks for niche handheld devices (REV 1.0) PDF (3.5 MB) 75017548 | 03 Sep 2014 |
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plastic shrink small outline package; 20 leads; body width 4.4 mm (REV 1.0) PDF (329.0 kB) SOT266-1 | 08 Feb 2016 |
plastic thermal enhanced very thin quad flat package; no leads; 20 terminals (REV 1.0) PDF (173.0 kB) SOT917-1 | 08 Feb 2016 |
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SSOP20; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... (REV 1.0) PDF (222.0 kB) SOT266-1_118 | 15 Apr 2013 |
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Footprint for wave soldering (REV 1.0) PDF (16.0 kB) SSOP-TSSOP-VSO-WAVE | 08 Oct 2009 |
Product | Status | Package name | RF-IF function | RF frequency [max] (MHz) | IF bandwidth [max] | VCC [min] (V) | VCC [max] (V) | ICC [max] (mA) | Mixer gain [min] (dB) | Mixer Noise Figure [typ] (dB) | 12 dB SINAD fdev=125 kHz (dBm) | RSSI dynamic range [typ] (dB) |
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SA636BS | Active | HVQFN20 | Single conversion receiver | 500 | 25 | 2.7 | 5.5 | 7.5@3 V | 8 | 12@240 MHz | -111 | 90 |
SA636DK | No Longer Manufactured | SSOP20 | Single conversion receiver | 500 | 25 | 2.7 | 5.5 | 7.5@3 V | 8 | 12@240 MHz | -111 | 90 |
Product ID | Package Description | Outline Version | Reflow/Wave Soldering | Packing | Product Status | Part NumberOrdering code(12NC) | Marking | Chemical Content | RoHS / Pb Free / RHF | LeadFree Conversion Date | EFR | IFR(FIT) | MTBF(hour) | MSL | MSL LF |
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SA636BS | SOT917-1 | Reel 7" Q1/T1 | Active | SA636BS,115 (9352 964 37115) | Standard Marking | SA636BS | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 | |||
SA636DK/01 | SOT266-1 | SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | SA636DK/01,118 (9352 752 92118) | SA636DK | SA636DK/01 | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 | ||
Bulk Pack | Active | SA636DK/01,112 (9352 752 92112) | SA636DK | SA636DK/01 | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 |