Audio Dac (Cs4334) - Hitachi L19DP03C Service Manual

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6.11

Audio DAC (CS4334)

CS4334 is a 8-pin, 24-bit, 96 kHz stereo D/A converter. The CS4334 family is based on Delta-Sigma

modulation, where the modulator output controls the reference voltage input to an ultra-linear analog low-

pass filter. This architecture allows for infinite adjustment of sample rate between 2 kHz and 100 kHz

simply by changing the master clock frequency.

The main features of CS4334 are:

• Complete stereo DAC system: interpolation, D/A, output analog filtering

• 24-bit conversion

• 96 dB dynamic range

• -88 dB THD+N

• Low clock jitter sensitivity

• Single +5V power supply

• Filtered line level outputs

• On-chip digital de-emphasis

• Popguard

Figure 6.10.3: Function table of 74HCT4053

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