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TDA7540B Datasheet(PDF) 10 Page - STMicroelectronics |
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TDA7540B Datasheet(HTML) 10 Page - STMicroelectronics |
10 / 75 page Electrical specifications TDA7540B 10/75 5.7 CIN Input capacitance 2.5 pF 6 AGC Time Constant Output 6.1 V16 Max. AGC output voltage V9-11 = 0mVRMS VREF1 +VBE V 6.2 V16 Min. AGC output voltage V9-11 = 50mVRMS 0.5 V 6.3 I16 Min. AGC charge current V9-11 = 0mVRMS,V16 = 2.5V -12.5 µA 6.4 I16 Max. AGC discharge current V9-11 = 50mVRMS,V16 = 2.5V 1.25 mA 7 AGC PIN Diode Driver Output 7.1 I8 AGC OUT, current min. V9-11 = 0mVRMS, V8 = 2.5V 50 µA 7.2 I8 AGC OUT, current max. V9-11 = 50 mVRMS, V8 = 2.5V -20 mA 8 I/Q Mixer1 (10.7MHz) 8.1 RIN Input resistance differential 10 k Ω 8.2 CIN Input capacitance differential 4 pF 8.3 ROUT Output resistance differential 100 k Ω 8.4 V9,11 Input dc bias 3.2 V 8.5 gm Conversion transconductance 17 ms 8.6 F Noise figure 400 Ω generator resistance 3 dB 8.7 CP1dB 1dB compression point referred to diff. mixer input 100 dB µV 8.8 IIP3 3rd order intermodulation 122 dB µV 8.9 IQP I/Q phase adjust PH -7 +8 ° 8.10 IRR Image rejection ratio ratio wanted/image 30 40 dB 8.11 IRR Image rejection ratio with phase adjust 40 46 dB 9 IF1 Amplifier1 +2 (10.7MHz) 9.1 G2 Gain 6 dB 9.2 G1min Min. gain IFG1 9 dB 9.3 G1max Max. gain IFG1 18 dB 9.4 RIN Input resistance 330 W 9.5 ROUT Output resistance 330 W 9.6 CP1dB 1dB compression point referred to 330 Ω input 105 dB µV 9.7 IIP3 3rd order Intermodulation ref. to 330 Ω input, 9dB gain 126 dB µV 10 Mixer2 (450kHz) 10.1 RIN Input impedance 330 Ω 10.2 V65 Max. input voltage 119 dB µV Table 5. Electrical characteristics (continued) (Tamb = 25°C, VCC1 = VCC2 = VCC3 = VCCST= VCCVCO = VCCMIX1 = VCCMIX2 = VCCIF1 = 8.5V, fRF = 98MHz, dev= 40kHz, fMOD = 1kHz, fXtal = 10.25MHz, in application circuit, unless otherwise specified). Item Symbol Parameter Test Conditions Min. Typ. Max. Unit |
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