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SA615
High performance low power mixer FM IF
system

Product specification
Replaces data of 1992 Nov 03
IC17 Data Handbook

1997 Nov 07

INTEGRATED CIRCUITS

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Summary of Contents for SA615

Page 1: ... SA615 High performance low power mixer FM IF system Product specification Replaces data of 1992 Nov 03 IC17 Data Handbook 1997 Nov 07 INTEGRATED CIRCUITS ...

Page 2: ... 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 audi...

Page 3: ... PARAMETER RATING UNITS VCC Single supply voltage 9 V TSTG Storage temperature range 65 to 150 C TA Operating ambient temperature range SA615 40 to 85 C θJA Thermal impedance D package N package SSOP package 90 75 117 C W DC ELECTRICAL CHARACTERISTICS VCC 6V TA 25 C unless otherwise stated LIMITS SYMBOL PARAMETER TEST CONDITIONS SA615 UNITS MIN TYP MAX VCC Power supply voltage range 4 5 8 0 V ICC ...

Page 4: ...ngle ended input 3 0 4 7 kΩ RF input capacitance 3 5 4 0 pF Mixer output resistance Pin 20 1 25 1 50 kΩ IF section IF amp gain 50Ω source 39 7 dB Limiter gain 50Ω source 62 5 dB Input limiting 3dB R17 5 1k Test at Pin 18 109 dBm AM rejection 80 AM 1kHz 25 33 43 dB Audio level R10 100k 15nF de emphasis 60 150 260 mVRM S Unmuted audio level R11 100k 150pF de emphasis 530 mV SINAD sensitivity RF leve...

Page 5: ...With most 455kHz ceramic filters and many crystal filters no impedance matching network is necessary To achieve optimum linearity of the log signal strength indicator there must be a 12dB v insertion loss between the first and second IF stages If the IF filter or interstage network does not cause 12dB v insertion loss a fixed or variable resistor can be added between the first IF output Pin 16 and...

Page 6: ...0nF 10 Monolithic Ceramic 100nF 10 Monolithic Ceramic 15nF 10 Ceramic 100nF 10 Monolithic Ceramic 150pF 2 N1500 Ceramic 100nF 10 Monolithic Ceramic 6 8µF Tantalum minimum C21 C23 C25 Flt 1 Flt 2 IFT 1 L1 L2 X1 R9 R17 R10 R11 100nF 10 Monolithic Ceramic 100nF 10 Monolithic Ceramic 100k 1 1 4W Metal Film optional 100k 1 1 4W Metal Film optional 5 1k 5 1 4W Carbon Composition 100k 1 1 4W Metal Film 4...

Page 7: ...F 10 Ceramic 100nF 10 Monolithic Ceramic 150pF 2 N1500 Ceramic 100nF 10 Monolithic Ceramic 6 8µF Tantalum minimum C21 C23 C25 Flt 1 Flt 2 IFT 1 L1 L2 X1 R9 R17 R10 R11 100nF 10 Monolithic Ceramic 100nF 10 Monolithic Ceramic 100k 1 1 4W Metal Film optional 100k 1 1 4W Metal Film optional 5 1k 5 1 4W Carbon Composition 100k 1 1 4W Metal Film 44 545MHz Crystal ICM4712701 0 8µH TOKO 292CNS T1038Z Cera...

Page 8: ...ters 4 Sensitivity The measured typical sensitivity for 12dB SINAD should be 0 22µV or 120dBm at the RF input 5 Layout The layout is very critical in the performance of the receiver We highly recommend our demo board layout 6 RSSI The smallest RSSI voltage i e when no RF input is present and the input is terminated is a measure of the quality of the layout and design If the lowest RSSI voltage is ...

Page 9: ...r mixer FM IF system 1997 Nov 07 9 20 0 20 40 60 80 100 5 4 3 2 1 0 130 110 90 70 50 30 10 10 AUDIO REF 174mVRMS AM 80 NOISE RSSI Volts RELATIVE TO AUDIO OUTPUT dB RF INPUT LEVEL dBm RF 45MHz IF 455kHz VCC 6V RSSI Volts THD NOISE SR00346 Figure 6 SA615 Application Board at 25 C ...

Page 10: ...Philips Semiconductors Product specification SA615 High performance low power mixer FM IF system 1997 Nov 07 10 DIP20 plastic dual in line package 20 leads 300 mil SOT146 1 ...

Page 11: ...Philips Semiconductors Product specification SA615 High performance low power mixer FM IF system 1997 Nov 07 11 SO14 plastic small outline package 14 leads body width 3 9 mm SOT108 1 ...

Page 12: ...Philips Semiconductors Product specification SA615 High performance low power mixer FM IF system 1997 Nov 07 12 SSOP20 plastic shrink small outline package 20 leads body width 4 4 mm SOT266 1 ...

Page 13: ...Philips Semiconductors Product specification SA615 High performance low power mixer FM IF system 1997 Nov 07 13 NOTES ...

Page 14: ...ght to make changes Philips Semiconductors reserves the right to make changes without notice in the products including circuits standard cells and or software described or contained herein in order to improve design and or performance Philips Semiconductors assumes no responsibility or liability for the use of any of these products conveys no license or title under any patent copyright or mask wor...

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