SA58641 Philips Semiconductors, SA58641 Datasheet
SA58641
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SA58641 Summary of contents
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... SA58641 High performance mixer FM IF system with high-speed RSSI Objective data hilips Semiconductors INTEGRATED CIRCUITS 2004 Dec 16 ...
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... Philips Semiconductors High performance mixer FM IF system with high-speed RSSI DESCRIPTION The SA58641 is a 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 SA58641 is available in 20-lead SSOP (shrink small outline package) ...
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... ABSOLUTE MAXIMUM RATINGS SYMBOL V Single supply voltage CC V Voltage applied to any other pin IN T Storage temperature range stg T Operating ambient temperature range SA58641 amb Thermal impedance (DC package ELECTRICAL CHARACTERISTICS unless otherwise stated. CC amb SYMBOL SYMBOL PARAMETER PARAMETER ...
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... IF level = –45 dBm IF level = –10 dBm IF frequency = 10.7 MHz RF level = –56 dBm RF level = –28 dBm IF frequency = 10.7 MHz RF level = –56 dBm RF level = –28 dBm RF level = –10 dBm RF level = –95 dBm 4 Objective data SA58641 LIMITS UNITS UNITS MIN TYP MAX 500 MHz 500 MHz 12 dB – ...
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... SINAD and Relative Audio, THD, Noise and AM Rejection for VCC = Temperature RF = 240MHz, Level = –68dBm, Deviation = 125kHz Figure 3. Performance Characteristics 5 Objective data SA58641 = 100 TEMPERATURE ( C) RF level = -45 dBm 5.5V 0 ...
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... Mixer Third Order Intercept and Compression RMS 2 1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 0 RSSI vs RF Input Level and Temperature Figure 4. Performance Characteristics 6 Objective data SA58641 2.0 1.8 1.6 1.4 AM REJECTION 1.2 1.0 0.8 THD+N 0.6 0.4 0.2 0.0 RF INPUT LEVEL (dBm) Audio Level = 118mV RMS RF INPUT POWER (dBm) – INPUT LEVEL (dBm) ...
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... Data Level vs Temperature and Supply Voltage 2004 Dec 16 (continued) 65.00 63.00 61.00 59. 57.00 55.00 53.00 51.00 49.00 47.00 45.00 Limiting Amplifier Gain vs Temperature vs Supply Voltage 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0 –40 Data Level vs Temperature and Supply Voltage Figure 5. Performance Characteristics 7 Objective data SA58641 TEMPERATURE ( C) 5.5V 1kHz Data Rate 9.85MHz, Dev = 288kHz -40dBm Temperature ( C) SR02524 ...
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... Data Rate 9.85MHz, 0.7 Dev = 288kHz -40dBm 5.5V 0.6 0.5 0.4 0.3 0.2 0.1 0 – Temperature ( C) Data Level vs Temperature and Supply Voltage 2004 Dec 16 (continued) 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0 –40 0 Data Level vs Temperature and Supply Voltage 85 Figure 6. Performance Characteristics 8 Objective data SA58641 600kHz Data Rate 9.85MHz, Dev = 288kHz -40dBm 5. Temperature ( C) SR02525 ...
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... BANDGAP 2004 Dec 16 PIN PIN DC V No. MNEMONIC RSSI 6 +0.20 FEEDBACK 0.8k 2 RSSI 7 +0.20 OUT POWER 8 +2.75 DOWN MIX DATA 150 A 9 +1.09 OUT V REF QUAD. 10 +3.00 IN Figure 7. Pin Functions 9 Objective data SA58641 EQUIVALENT CIRCUIT V CC — — — 80k SR00497 ...
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... COUPLING 13 LIMITER 14 +1. GND 0 2004 Dec 16 PIN PIN DC V No. MNEMONIC IF 16 +1.22 AMP OUT 11 IF AMP 17 +1.22 DECOUP IF 18 +1.22 AMP AMP 19 +1.22 DECOUP MIXER 20 +1.03 OUT Figure 8. Pin Functions (cont.) 10 Objective data SA58641 EQUIVALENT CIRCUIT 140 16 8.8k 18 330 110 20 400 A SR00498 ...
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... F 10V R8 347 49.9 C9 39pF select R10 C10 1k 0.1 F R11 49.9 C11 0.1 F *NOTE: This value can be reduced when a battery is the power source. Figure 9. SA58641 240.05MHz (RF) / 10.7MHz (IF) Test Circuit 2004 Dec 16 IF/LIM C16 C17 C14 FLT2 ...
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... 33k R2 + 100nF GND J3 RSSI PWR DWN DATA OUT Figure 10. SA58641 110.592 MHz (RF) / 9.8 MHz (IF) DECT Application Circuit 2004 Dec 16 L1 180nH 10nF 2 RF BYPASS DECOUPLING 1 3 XTAL OSC (EMITTER) XTAL 4 OSC (BASE) DECOUPLING ...
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... MHz LO / GENERATOR 120.392 MHz Figure 11. SA58641 Application Circuit Test Set Up NOTES generator: Set your RF generator at 110.592 MHz, use a 100 kHz modulation frequency and a 288 kHz deviation. 2. Layout: The layout is very critical in the performance of the receiver. We highly recommend our demo board layout. ...
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... Philips Semiconductors High performance mixer FM IF system with high-speed RSSI Figure 12. SA58641 Demoboard Layout (Not Actual Size) 2004 Dec 16 TOP SILK SCREEN (SSOP) SR02528 14 Objective data SA58641 ...
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... Philips Semiconductors High performance mixer FM IF system with high-speed RSSI CIRCUIT DESCRIPTION The SA58641 signal processing system suitable for second IF or single conversion systems with input frequency as high as 1 GHz. The bandwidth of the IF amplifier is about 40 MHz, with gain from a 50 source ...
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... Philips Semiconductors High performance mixer FM IF system with high-speed RSSI SSOP20: plastic shrink small outline package; 20 leads; body width 4.4 mm 2004 Dec 16 16 Objective data SA58641 SOT266-1 ...
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... Relevant changes will be communicated via a Customer Product/Process Change Notification (CPCN). Fax: + 24825 Document order number: 17 Objective data SA58641 Koninklijke Philips Electronics N.V. 2004 All rights reserved. Printed in U.S.A. Date of release: 12-04 9397 750 14339 ...