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TDA8024 数据表(PDF) 17 Page - NXP Semiconductors |
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TDA8024 数据表(HTML) 17 Page - NXP Semiconductors |
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17 / 29 page  2004 July 12 17 Philips Semiconductors Product specification IC card interface TDA8024 12 CHARACTERISTICS VDD = 3.3 V; VDDP =5V; Tamb =25 °C; fXTAL = 10 MHz; all currents flowing into the IC are positive; see note 1; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP MAX. UNIT Temperature Tamb ambient temperature −25 − +85 °C Supplies VDD supply voltage 2.7 − 6.5 V VDDP DC/DC converter supply voltage VCC =5V; ICC < 80 mA 4.0 5.0 6.5 V VCC =5V; ICC < 20 mA 3.0 − 6.5 V IDD supply current card inactive −− 1.2 mA card active; fCLK =fXTAL; CL =30pF −− 1.5 mA IDDP DC/DC converter supply current inactive mode −− 0.1 mA active mode; fCLK =fXTAL; CL = 30 pF; ICC =0 −− 10 mA VCC =5V; ICC =80mA −− 200 mA VCC =3V; ICC =65mA −− 100 mA Vth2 falling threshold voltage on VDD no external resistors at pin PORADJ; VDD level falling 2.35 2.45 2.55 V Vhys2 hysteresis of threshold voltage Vth2 no external resistors at pin PORADJ 50 100 150 mV Pin PORADJ; note 2 Vth(ext)(rise) external rising threshold voltage on VDD external resistor bridge at pin PORADJ; VDD level rising 1.240 1.28 1.310 V Vth(ext)(fall) external falling threshold voltage on VDD external resistor bridge at pin PORADJ; VDD level falling 1.190 1.22 1.26 V Vhys(ext) hysteresis of threshold voltage Vth(ext) external resistor bridge at pin PORADJ 30 60 90 mV ∆Vhys(ext) hysteresis of threshold voltage Vth(ext) variation with temperature external resistor bridge at pin PORADJ −− 0.25 mV/K tw width of internal Power-on reset pulse no external resistors at pin PORADJ 4 8 12 ms external resistor bridge at pin PORADJ 816 24 ms IL(PORADJ) leakage current on pin PORADJ VPORADJ < 0.5 V −0.1 4 10 µA VPORADJ >1V −1 − +1 µA Ptot total power dissipation continuous operation; Tamb = −25 to +85 °C −− 0.56 W |
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