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| MC13028A |
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 MOTOROLA
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MC13028A 2 MOTOROLA ANALOG IC DEVICE DATA MAXIMUM RATINGS (TA = 25°C, unless otherwise noted.) Rating Symbol Value Unit Power Supply Input Voltage VCC 14 Vdc Operating Junction Temperature TJ 150 °C Operating Ambient Temperature TA –25 to +70 °C Storage Temperature Range Tstg –55 to +150 °C LED Indicator Current ILED 10 mA ELECTRICAL CHARACTERISTICS (VCC = 8.0 Vdc, TA = 25°C, Input Signal Level = 74 dBµV, Modulation = 1.0 kHz @ 50% Modulation, unless otherwise noted.) Characteristic Symbol Min Typ Max Unit Supply Current Drain ICC mA VCC = 2.2 V CC – 9.0 11 VCC = 8.0 V – 11 – Audio Output Level, L+R, Mono Modulation Vout mVrms RO = 1.8 k, VCC = 2.2 V, Input 55 dBµV 22 33 44 RO = 10 k, VCC = 8.0 V, Input 50 dBµV 150 200 250 RO = 10 k, VCC = 8.0 V, Input 40 dBµV 80 130 180 RO = 10 k, VCC = 8.0 V, Input 31 dBµV – 50 – Audio Output Level, L or R Only, Stereo Modulation Vout mVrms RO = 1.8 k, VCC = 2.2 V, 55 dBµV Input 35 80 106 RO = 10 k, VCC = 8.0 V 340 460 580 Output THD % 50% Stereo, L or R Only THD1 – 0.6 1.8 50% Mono, L+R THD2 – 0.3 0.6 90% Mono, L+R, Input 86 dB µV THD3 – – 1.5 Channel Separation L or R 23 35 – dB 50% L or R Only Decoder Input Sensitivity Vin – 33 – dB µV Vout = –10 dB Force to Mono Mode, (Pin 10) – 0.25 0.3 – Vdc Stereo Threshold Adjust (Pin 1) STA dB µV Pin 1 Open TA – 50 55 µ R1 = 15 k (Gnd) – 55 – R1 = 680 k (VCC) – 48 – Signal to Noise Ratio, RO = 10 k S/N dB 50% Stereo, L or R Only 40 62 – 50% Mono, L+R 40 59 – Input Impedance Rin – 10 – k Ω (Reference Specification) Cin – 8.0 – pF Maximum Input Signal Level for THD ≤ 1.5% – – – 86 dB µV Blend Voltage BI Vdc Mono Mode 0.7 – 0.9 Stereo Mode 1.20 1.30 1.35 Out of Lock – 0.12 0.2 VCO Lock Range OSCtun – ±2.5 – kHz AGC Range AGCrng – 44 – dB Channel Balance C–B –1.0 – 1.0 dB Pilot Sensitivity – – 2.5 4.0 % |
