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CXA3541N 데이터시트(PDF) 1 Page - Sony Corporation |
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CXA3541N 데이터시트(HTML) 1 Page - Sony Corporation |
1 / 17 page CXA3541N 2-channel Read/Write Amplifier for GMR-Ind Head Hard Disk Drive Description The CXA3541N is a read/write amplifier for GMR-Ind (Giant Magneto Resistive-Inductive) heads used in hard disk drives, and is capable of supporting up to two channels. Features • +5V and –3V power supply • Current bias voltage sense type • Low power 180mW at read • Differential read amplifier gain; ×100/135 (RMR = 50Ω) • Input noise of 0.77nV/ √ Hz (typ.), RMR = 50Ω, IB = 5.9mA • Recovery time write to read; 300ns (typ.) • Write data is triggered by differential P-ECL signal • Servo bank write • Write unsafe detection circuit • Serial port Head selection MR bias Write current Applications Hard disk drives with GMR-Ind heads Structure Bipolar silicon monolithic IC Absolute Maximum Ratings (Ta = 25°C) • Supply voltage VCC –0.3 to +5.8 V • Supply voltage VEE –3.7 to +0.3 V • Digital input voltage Vdi –0.3 to VCC + 0.3 V • Operating temperature Topr 0 to +70 °C • Storage temperature Tstg –55 to +150 °C • Allowable power dissipation PD 800 mW (on board) Operating Conditions • Supply voltage VCC 4.4 to 5.5 V VEE –3.5 to –2.6 V • MR bias voltage VMR –300 to +300 mV • Bias current IB 3 to 8 mA • Write current IW 19.5 to 49.5 mA – 1 – E00205-PS Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. 24 pin SSOP (Plastic) |
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