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CXA1829N
8ch. Read/Write Amplifier for Thin Film Heads of Hard Disk Drive
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Description The CXA1829N is a Read/Write amplifier for hard disk drive thin-film heads and is designed to handle up to 8-channel heads. Features • Operates on a single 5V power supply. • Low power consumption. Read: 115 mW Write (IW = 15 mA): 160 mW + IW × 5 Power Save: 7 mW • Write current can be varied through an external resistor. Built-in stabilizer circuit provides stable current, preventing voltage and temperature drift. • Drives up to 8 heads. • Supports thin film heads or 2-pin MIG heads. • Emitter follower-type Read amplifier features 290 times gain (typ.). • Write-unsafe detection circuit.