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The AK4324 is a high performance 1bit stereo DAC for the 96kHz sampling mode of DAT,DVD including) k/ V& N, p, c* l3 X# u; Y% l. W
a 24bit digital filter. A 1bit DAC can achieve monotonicity and low distortion with no adjustment and is6 v6 U( V- W& G! V; z7 b3 U
superior to traditional R-2R ladder based DACs. In the AK4324, the analog outputs are filtered in the
]( g2 Z, F+ A7 C! I, yanalog domain by switched-capacitor filter(SCF) with high tolerance to clock jitter. The digital I/F can: |" T6 c/ p0 ]$ S
correspond to TTL levels.
- I! v' O& n. e! ~2 |Features
- C) L8 _8 F% U& n/ L0 {) H. High Performance Stereo 1bit DAC4 @$ Q6 [1 |3 t. o
. 128x Oversampling+ v3 ^4 A$ F7 S* K% A% r
. Sampling Rate up to 96kHz
9 Y! N( f `% r. 24Bit 8 times Digital Filter
* t9 D7 @5 P2 h b: ~, g' U( pRipple: ±0.005dB, Attenuation: 75dB
+ k5 f) a) a) K: p; C, n- |7 o. 2nd Order SCF(LPF) with High Tolerance to Clock Jitter4 m8 ^# v' |* y6 r6 }& R q
. Low Distortion Differential Output7 k( M5 N$ ~ \; F
. Digital de-emphasis for 32, 44.1, 48kHz, 96kHz sampling! `; |" W; [* m* e4 r* Y! c
. Soft Mute
7 G6 q0 e1 _5 i7 }1 T. I/F format : MSB justified, LSB justified, I2S' A6 v3 K! ~) n7 ^+ l, m
. Dynamic Range: 105dB
2 _" F- A' l6 N8 B# q6 ]3 R. Master Clock7 @% c) P- F" R, u
Normal speed: 256fs or 384fs, Double speed: 128fs or 198fs7 N% |) r: H8 O) B
. Power Supply: 4.5 to 5.5V" n I8 m- }+ I+ z' [, b$ M
. Small Package: 24pin VSOP |
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