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AD82551A-CG Fiches technique(PDF) 3 Page - Elite Semiconductor Memory Technology Inc. |
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AD82551A-CG Fiches technique(HTML) 3 Page - Elite Semiconductor Memory Technology Inc. |
3 / 3 page ESMT AD82551A Elite Semiconductor Memory Technology Inc. Publication Date :Apr. 2007 Revision :1.1 3/15 Absolute Maximum Ratings Symbol Parameter Min Max Units DVDD Supply for Digital Circuit 0 3.6 V AVDD Supply for Analog Circuit 0 3.6 V VDDL(R) Supply for Left (Right) Channel 0 5.5 V Vi Input Voltage -0.3 3.6 V Tstg Storage Temperature -65 150 oC Ta Ambient Operating Temperature 0 70 oC Voltage Difference between VDDL and VDDR -1 1 V Voltage Difference between VDDL(VDDR) and -3 3 V VDDL(VDDR) Power-on Voltage Ramp 0.2 V/ μs Recommended Operating Conditions Digital Characteristics Symbol Parameter Min Typ Max Units VIH High-Level Input Voltage 2.0 V VIL Low-Level Input Voltage 0.8 V VOH High-Level Output Voltage 2.4 V VOL Low-Level Output Voltage 0.4 V CI Input Capacitance 6.4 pF General Electrical Characteristics Symbol Parameter Condition Min Typ Max Units IPD Supply Current during Power Down 36 μA Junction Temperature for Driver Shutdown 150 oC Temperature Hysteresis for Recovery from Shutdown 20 oC UVH Under Voltage Disabled (For AVDD) 2.8 V UVL Under Voltage Enabled (For AVDD) 2.7 V Fsw Switching Rate of Loudspeakers and Headphones 8Fs 8Fs 8Fs Hz TPWM Minimum PWM pulse width Sec RSC Loudspeaker Short-Circuit Detection (Note2) VDDR(L)=5V 2.8 3.2 Ω RSCH Headphone Output Short-Circuit Detection Steady State 3.0 3.4 Ω Note2: Loudspeaker short-circuit protection is effective only when LC or ferrite bead filters are properly used. Long time short circuit will reduce device reliability. AD82551A protects itself from short-circuit damage only when the lines connected to loudspeakers are shorted to each other or to GND. AD82551A will be burnt if the lines connected to loudspeakers are shorted to VDDL(VDDR). Package Options Package Type Part Number Thermal Information 24L SSOP 209mil AD82551A-CG θJA = 64.7 oC/W (Condition: still air, multilayer board) Symbol Parameter Typ Units DVDD Supply for Digital Circuit 3.0~3.3 V AVDD Supply for Analog Circuit 3.0~3.3 V VDDL(R) Supply for Driver Stage 3.0~5.0 V Ta Ambient Operating Temperature 0~70 oC 256Fs 1 256Fs 1 256Fs 1 |
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