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NCP2990 Datasheet(PDF) 3 Page - ON Semiconductor |
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NCP2990 Datasheet(HTML) 3 Page - ON Semiconductor |
3 / 13 page NCP2990 http://onsemi.com 3 PIN DESCRIPTION Pin Type Symbol Description A1 I INM Negative input of the first amplifier, receives the audio input signal. Connected to the feedback resistor Rf and to the input resistor Rin. A2 O OUTA Negative output of the NCP2990. Connected to the load and to the feedback resistor Rf. A3 I INP Positive input of the first amplifier, receives the common mode voltage. B1 I VM_P Power Analog Ground. B2 I VM Core Analog Ground. B3 I Vp Positive analog supply of the cell. Range: 2.2 V−5.5 V. C1 I BYPASS Bypass capacitor pin which provides the common mode voltage (Vp/2). C2 O OUTB Positive output of the NCP2990. Connected to the load. C3 I SHUTDOWN The device enters in shutdown mode when a low level is applied on this pin. MAXIMUM RATINGS (Note 1) Rating Symbol Value Unit Supply Voltage Vp 6.0 V Operating Supply Voltage Op Vp 2.2 to 5.5 V 2.0 V = Functional Only − Input Voltage Vin −0.3 to Vcc +0.3 V Max Output Current Iout 500 mA Power Dissipation (Note 2) Pd Internally Limited − Operating Ambient Temperature TA −40 to +85 °C Max Junction Temperature TJ 150 °C Storage Temperature Range Tstg −65 to +150 °C Thermal Resistance Junction−to−Air RqJA (Note 3) °C/W ESD Protection Human Body Model (HBM) (Note 4) Machine Model (MM) (Note 5) − 8000 >250 V Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. Maximum electrical ratings are defined as those values beyond which damage to the device may occur at TA = +25°C. 2. The thermal shutdown set to 160 °C (typical) avoids irreversible damage on the device due to power dissipation. 3. The RqJA is highly dependent of the PCB Heatsink area. For example, RqJA can equal 195°C/W with 50 mm 2 total area and also 135 °C/W with 500 mm2. For further information see page 10. The bumps have the same thermal resistance and all need to be connected to optimize the power dissipation. 4. Human Body Model, 100 pF discharge through a 1.5 k W resistor following specification JESD22/A114. 5. Machine Model, 200 pF discharged through all pins following specification JESD22/A115. |
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