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The AK4324 is a high performance 1bit stereo DAC for the 96kHz sampling mode of DAT,DVD including
, E0 M3 ?4 i+ _; o" ka 24bit digital filter. A 1bit DAC can achieve monotonicity and low distortion with no adjustment and is% b" A; V9 X7 e6 K
superior to traditional R-2R ladder based DACs. In the AK4324, the analog outputs are filtered in the
+ v) p6 O' T1 |3 ?4 ~; Y+ q( uanalog domain by switched-capacitor filter(SCF) with high tolerance to clock jitter. The digital I/F can9 @# V0 H4 L: B5 z! L% Q4 Z
correspond to TTL levels.& A: X2 @1 _$ A! f8 {
Features( I* V, S9 y) }* u
. High Performance Stereo 1bit DAC* {- m/ J9 X- a5 a8 x8 S' L
. 128x Oversampling8 o( {; j4 R( j7 r2 \
. Sampling Rate up to 96kHz
3 t) \" C+ j! r8 l* \. 24Bit 8 times Digital Filter
2 d7 v& P+ W- }. h: rRipple: ±0.005dB, Attenuation: 75dB
9 ^+ r8 p5 v9 Y1 X! N. 2nd Order SCF(LPF) with High Tolerance to Clock Jitter w" }/ ^( y, |
. Low Distortion Differential Output
$ y8 Z. j V# V9 ~4 n1 ]6 l( }1 ]. Digital de-emphasis for 32, 44.1, 48kHz, 96kHz sampling* q0 b. z3 e6 {' ~" P
. Soft Mute
1 x+ s: V: J; F) D$ _. I/F format : MSB justified, LSB justified, I2S
* s- E4 ]$ q/ o e: s8 L7 g. Dynamic Range: 105dB
2 f' ]2 q' r8 M4 N' \. Master Clock
0 J; Y& z- J7 C7 m& Q, tNormal speed: 256fs or 384fs, Double speed: 128fs or 198fs
j6 o w1 G0 w/ H$ d& E. Power Supply: 4.5 to 5.5V! ^1 N# h) e2 y
. Small Package: 24pin VSOP |
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