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The AK4324 is a high performance 1bit stereo DAC for the 96kHz sampling mode of DAT,DVD including
( f ~$ }# K' L- r, C( fa 24bit digital filter. A 1bit DAC can achieve monotonicity and low distortion with no adjustment and is( Z6 O( ~( [& z) y5 a
superior to traditional R-2R ladder based DACs. In the AK4324, the analog outputs are filtered in the
; ?6 v& m+ D7 @( G. Kanalog domain by switched-capacitor filter(SCF) with high tolerance to clock jitter. The digital I/F can, `) ?/ y* ]) o: F. `- e4 p
correspond to TTL levels.% g9 q& G6 e: T
Features
4 W; J4 {- d9 b. High Performance Stereo 1bit DAC1 t. Z% i6 r. h8 S; b
. 128x Oversampling
5 l1 m5 n* s; n. Sampling Rate up to 96kHz+ d/ [) n0 J5 c' @
. 24Bit 8 times Digital Filter" a& b9 a* C+ E) b& k
Ripple: ±0.005dB, Attenuation: 75dB _3 q" q& o" A
. 2nd Order SCF(LPF) with High Tolerance to Clock Jitter9 ]1 h6 R( k2 T! L9 d- ?
. Low Distortion Differential Output
2 R# F/ p$ _: d$ V- r. Digital de-emphasis for 32, 44.1, 48kHz, 96kHz sampling& G) e+ K L! o
. Soft Mute
4 v; x- N. w+ }/ @. I/F format : MSB justified, LSB justified, I2S& j* v8 b" U1 L: a
. Dynamic Range: 105dB
+ ~& v6 |, X) T* I4 k. Master Clock
5 d7 Y6 c4 [ D; D+ _# N sNormal speed: 256fs or 384fs, Double speed: 128fs or 198fs* ]- V; W, \& t
. Power Supply: 4.5 to 5.5V. V; u* X# u3 Q5 v- }4 o
. Small Package: 24pin VSOP |
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