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The AK4324 is a high performance 1bit stereo DAC for the 96kHz sampling mode of DAT,DVD including
) R9 Y0 L. P$ G5 Aa 24bit digital filter. A 1bit DAC can achieve monotonicity and low distortion with no adjustment and is) x! c* r/ w: A0 e) O" M+ D
superior to traditional R-2R ladder based DACs. In the AK4324, the analog outputs are filtered in the) D2 r& P- }- I6 S7 B
analog domain by switched-capacitor filter(SCF) with high tolerance to clock jitter. The digital I/F can' [5 ~) A. a6 R/ Q% G% o
correspond to TTL levels.
( }& g4 c5 h- x# } rFeatures
- p/ u% e' W0 H! c% J$ @. W. High Performance Stereo 1bit DAC
! {4 t6 `, T9 i' x) e4 `3 j. 128x Oversampling+ i" G! Z/ Z! V- k' v. X# X
. Sampling Rate up to 96kHz2 W- g% p) K9 x. ]8 ~9 B) t
. 24Bit 8 times Digital Filter. f- u( ^! K3 a8 I F8 c! V p
Ripple: ±0.005dB, Attenuation: 75dB
, w& \7 C3 ~% F5 `. 2nd Order SCF(LPF) with High Tolerance to Clock Jitter
4 w) h7 i( b6 k Q# p. [. Low Distortion Differential Output8 ~7 _3 p* B9 H( a( K, z5 N
. Digital de-emphasis for 32, 44.1, 48kHz, 96kHz sampling0 x3 O* R9 Z0 ~1 ?# N4 J
. Soft Mute; z3 D2 D- Z' ]3 Z ]. M
. I/F format : MSB justified, LSB justified, I2S
6 Z, V( n* A n. W* e. Dynamic Range: 105dB: K* o( `+ j1 `- R8 @
. Master Clock
9 Q* w( {1 i% W' g, G2 S* KNormal speed: 256fs or 384fs, Double speed: 128fs or 198fs
- U, k4 d, U% y5 s. Power Supply: 4.5 to 5.5V! _2 h$ S9 F* s( ~
. Small Package: 24pin VSOP |
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