TC9464FN

The TC9464FN is a second-order - modulation 1-bit DA converter incorporating an 8 times oversampling digital/analog filter developed for digital audio equipment. The feature of TC9464FN are as follows: (1)built-in 8 times obersamepling digital filter; (2)built-in digital de-emphasis filter; (3)in serial operating mode, output amplitude can be set in 128 steps of resolution using microcontroller commands; (4)in parallel control mode, soft mute output can be set in 64 steps in 20ms; (5)built-in LR common zero detection output function; (6)DAC cversampling ratio(OSR): 192fs; (7)double-speed operation capable; (8)sampling frequencies: 44.1kHz, 32kHz, 48kHz; (9)built-in third-order analog filter; (10)the digital filter and DA converter characteristics are as shown next page.

The absolute maximum ratings of the TC9464FN are: (1)supply voltage: -0.3~6.0V; (2)input voltage: -0.3~VDD + 0.3 V; (3)power dissipation: 200mW; (5)operating temperature: -35~85°C; (6)storage temperature: - 55~150°C.

The following is about the electrical characteristics of TC9464FN: (1)operating supply voltage: 4.5V min, 5.0V typical and 5.5V max at Ta = -35~85°C; (2)supply current: 12mA typical and 20mA max at XI = 16.9MHz; (3)input voltage(high level): VDD*0.7V min and VDD max; (4)input voltage(low level): 0V min and VDD*0.3V max; (5)input current: -10A min and 10A max.