Hitachi 22LD3750DC, Руководство по обслуживанию

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6.4 Headphone Amplifier (TDA1308T)
TDA1308T is an integrated class AB stereo headphone driver contained in an SO8, DIP8, or a
TSSOP8 plastic package. SO8 package is used in 17MB29. The device is fabricated in a 1mm CMOS
process. The main features of this IC are:
• Wide temperature range
• No switch ON/OFF clicks
• Power supply ripple rejection
• Low power consumption
• Short-circuit resistance
• High performance
–
high signal-to-noise ratio
–
high slew rate
–
low distortion
• Large output voltage swing
6.5 Audio Matrix Switch (TEA6422D)
TEA6422D is a bus-controlled audio matrix switch in an SO28 plastic monopackage. The main
features of TEA6422 D are:
• 6 stereo inputs
• 3 stereo outputs
• Gain control
• Cascadable (2 different addresses)
• Serial bus controlled
• Low noise
• Low distortion
• ESD protection
• Wide dynamic range (3 Vrms)