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TDA7541 数据表(PDF) 10 Page - STMicroelectronics |
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TDA7541 数据表(HTML) 10 Page - STMicroelectronics |
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10 / 76 page ![]() Electrical specifications and characteristics TDA7541 10/76 3 Electrical specifications and characteristics 3.1 Thermal data 3.2 Absolute maximum ratings 3.3 Electrical characteristics Table 3. Thermal data Symbol Parameter Value Unit RTH(j-amb) Thermal resistance junction to ambient Max. 70 °C/W Table 4. Absolute maximum ratings Symbol Parameter Conditions Value Unit VS Supply voltage 9.5 V Tamb Ambient temperature -40 to 85 °C Tstg Storage temperature -55 to +150 °C VESD ESD withstand voltage Human Body Model 2 kV Machine Model 100 V Charged Device Model 300 V Table 5. Globals (Tamb = 25°C, VCC1 = VCC2 = VCCMIX1 = VCCVCO = VCCIF = 8.5V, fXtal = 10.25 MHz, in application circuit, unless otherwise specified) Item Symbol Parameter Test conditions Min. Typ. Max. Unit 1. Supply 1.1 VCC1 Digital Supply Voltage 7.7 8.5 9 V 1.2 VCC2 Analog Supply Voltage 7.7 8.5 9 V 1.3 VCCVCO VCO Supply Voltage 7.7 8.5 9 V 1.4 VCCMIX1 Mixer1 Supply Voltage 7.7 8.5 9 V 1.5 VCCIF IF1 Supply Voltage 7.7 8.5 9 V 1.6 ICC1 Supply Current FM ON 19 23 mA 1.7 ICC1 Supply Current AM ON 21 25 mA 1.8 ICC2 Supply Current FM ON 48 58 mA 1.9 ICC2 Supply Current AM ON 37 44 mA 1.10 ICCVCO Supply Current 12 15 mA 1.11 ICCMIX1 Supply Current FM ON 32 40 mA |
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