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The AK4324 is a high performance 1bit stereo DAC for the 96kHz sampling mode of DAT,DVD including% H/ u/ Z" P, y8 ^
a 24bit digital filter. A 1bit DAC can achieve monotonicity and low distortion with no adjustment and is; p9 `. u O2 K* n
superior to traditional R-2R ladder based DACs. In the AK4324, the analog outputs are filtered in the
) u* u+ B* }, r% W& Panalog domain by switched-capacitor filter(SCF) with high tolerance to clock jitter. The digital I/F can& o M" N7 r" J
correspond to TTL levels.$ u; [$ L4 n0 W8 F3 u. p! B
Features4 r+ J4 D3 Z- d$ S g9 ^
. High Performance Stereo 1bit DAC
$ T, W: H6 G' l' D. 128x Oversampling. n) O }8 {+ h: l6 r: I, R- J
. Sampling Rate up to 96kHz, y B$ n. Q; L& M9 k) x
. 24Bit 8 times Digital Filter
8 Y# Y r3 `8 E4 ~3 yRipple: ±0.005dB, Attenuation: 75dB
+ d. H$ x8 v) ^; N+ T0 S4 M. 2nd Order SCF(LPF) with High Tolerance to Clock Jitter8 g& V X' z/ t, C6 S7 ^
. Low Distortion Differential Output, A: A, j% X. Q7 g; E
. Digital de-emphasis for 32, 44.1, 48kHz, 96kHz sampling
: N7 i! o) \* }0 v, ~. Soft Mute
8 L6 v8 u" ~$ F" y4 o8 y. I/F format : MSB justified, LSB justified, I2S
6 q) t+ g1 l/ w. Dynamic Range: 105dB
8 [- O( Y3 W3 O. Master Clock7 S p$ E8 S6 L% w
Normal speed: 256fs or 384fs, Double speed: 128fs or 198fs) B* _+ ]4 K9 m9 I2 X
. Power Supply: 4.5 to 5.5V
* _; U; ]! H0 x/ o. Small Package: 24pin VSOP |
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