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The AK4324 is a high performance 1bit stereo DAC for the 96kHz sampling mode of DAT,DVD including
* ~, y2 |% Q, P; v( m! x8 D+ S$ va 24bit digital filter. A 1bit DAC can achieve monotonicity and low distortion with no adjustment and is1 E ?- j$ g+ U" a$ w7 o
superior to traditional R-2R ladder based DACs. In the AK4324, the analog outputs are filtered in the0 F1 X) Z, V( u3 l
analog domain by switched-capacitor filter(SCF) with high tolerance to clock jitter. The digital I/F can
, X/ `: G3 g' V+ W Kcorrespond to TTL levels.
$ q' m- u( M( F* I* p) ], NFeatures
7 `/ u2 ?& H3 _! K% t7 |7 b8 I. High Performance Stereo 1bit DAC: I. T5 d# V h
. 128x Oversampling/ ~+ L' {) d+ ?# o, @# t6 `) o
. Sampling Rate up to 96kHz+ e5 o9 B/ q8 x/ g! Z
. 24Bit 8 times Digital Filter* N( B7 e+ h t
Ripple: ±0.005dB, Attenuation: 75dB
. i* e k; e# Y n. 2nd Order SCF(LPF) with High Tolerance to Clock Jitter
1 `0 v. n0 [; \% ~. Low Distortion Differential Output
' T$ U; {# k# e3 _1 [* O, L. Digital de-emphasis for 32, 44.1, 48kHz, 96kHz sampling
$ x/ w& z1 K+ W( t. Soft Mute
. E1 ]2 Q* E! e; R0 V( H. I/F format : MSB justified, LSB justified, I2S& O9 U! t4 P9 p0 s
. Dynamic Range: 105dB
4 U/ i# M- L9 N! T$ N; ?' r. Master Clock; w* H8 o, A9 Q
Normal speed: 256fs or 384fs, Double speed: 128fs or 198fs
% @+ |6 t: _0 K# d. Power Supply: 4.5 to 5.5V
! O5 S& Q" C' J! y4 U! d$ A" S. Small Package: 24pin VSOP |
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