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TDA7541B Datasheet(PDF) 12 Page - STMicroelectronics |
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TDA7541B Datasheet(HTML) 12 Page - STMicroelectronics |
12 / 77 page Electrical specifications and characteristics TDA7541B 12/77 Doc ID 16048 Rev 1 6.2 V13 Min. AGC output voltage V8-10 = 100 mVRMS -- 0.5 V 6.3 I13 Min. AGC charge current V8-10= 0 mVRMS,V13 = 2.5 V -33 -25 -17.5 µA 6.4 I13 Max. AGC discharge current V8-10 = 100 mVRMS,V13 = 2.5 V 1.7 2.5 3.3 mA 7. AGC PIN diode driver output 7.1 I12 AGC OUT, current min. V8-10 = 0 mVRMS, V12 = 2.5V 15 25 35 µA 7.2 I12 AGC OUT, current max. V8-10 = 50 mVRMS, V12 = 2.5 V - - -16 mA 8. FM I/Q Mixer1 (10.7 MHz) 8.1 RIN Input resistance Differential 8 10 12 kΩ 8.2 CIN Input capacitance Differential - 4 - pF 8.3 ROUT Output resistance - 530 660 790 Ω 8.4 V8,11 Input DC bias - 2.2 2.5 2.8 V 8.5 G Gain Unloaded 20 22 24 dB 8.6 Gl Gain With 330 Ω load 14 16 18 dB 8.7 INOISE Equivalent input noise - - 3 - nV/ √Hz 8.8 CP1dB 1dB compression point Referred to diff. mixer input - 100 - dBµV 8.9 IIP3 3rd order intermodulation - - 119 - dBµV 8.10 IQP I/Q phase adjust PH -7 - +8 DEG 8.11 IRR Image rejection ratio Ratio wanted/image 30 40 - dB 8.12 IRR Image rejection ratio With phase adjust 40 46 - dB 9. WB I/Q Mixer1 (10.7 MHz) 9.1 RIN Input resistance Single ended 1.7 2.5 3.3 kΩ 9.2 CIN Input capacitance Single ended - 3 - kΩ 9.3 ROUT Output resistance - 530 660 790 Ω 9.4 V5 Input dc bias - 2 2.3 2.6 V 9.5 G Gain unloaded 24 26 28 dB 9.6 INOISE Equivalent Input noise Source impedance 400 Ω -2.3 - nV/ √Hz 9.7 IIP3 3rd order intermodulation - - 113 - dBµV 10. IF1 amplifier (10.7 MHz) 10.1 RIN Input resistance - 265 330 396 Ω 10.2 CIN Input capacitance - - 2.5 - pF 10.3 V61 DC input voltage - - VCCIF1/3 - V 10.4 ROUT Output resistance - 265 330 396 Ω 10.5 COUT Output capacitance - - 2.5 - pF Table 6. FM section (continued) Item Symbol Parameter Test conditions Min. Typ. Max. Unit |
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