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The AK4324 is a high performance 1bit stereo DAC for the 96kHz sampling mode of DAT,DVD including0 q8 Q1 q6 G8 E, F
a 24bit digital filter. A 1bit DAC can achieve monotonicity and low distortion with no adjustment and is) z/ q O9 j9 i+ n( A0 ]
superior to traditional R-2R ladder based DACs. In the AK4324, the analog outputs are filtered in the
6 P6 W7 s) h( C1 {- manalog domain by switched-capacitor filter(SCF) with high tolerance to clock jitter. The digital I/F can7 B2 k" X) R2 F$ ^/ x7 z8 R
correspond to TTL levels.
$ f$ p& C" k* v# ] U1 V" i/ {Features
+ _8 S. l! @, M: C% Y) W6 T/ P. High Performance Stereo 1bit DAC0 E* o J, C& K# l" D6 {& d& w+ V5 a8 T' N: M
. 128x Oversampling
7 m" n( ~' C+ x" O% b: l2 F. Sampling Rate up to 96kHz+ _+ P9 F" r! q9 R% d
. 24Bit 8 times Digital Filter
8 d2 \& }7 f0 ^. tRipple: ±0.005dB, Attenuation: 75dB
- H+ S4 d4 Q, f4 k. 2nd Order SCF(LPF) with High Tolerance to Clock Jitter* S/ ~! X- J; c$ P' n- C/ J
. Low Distortion Differential Output
4 M( J! c( \, j* i5 J. k. Digital de-emphasis for 32, 44.1, 48kHz, 96kHz sampling
* X0 V2 D2 K2 i. Soft Mute- a3 ]2 O% j( ?$ v7 s
. I/F format : MSB justified, LSB justified, I2S- i$ x5 [) x5 f! T0 P$ k
. Dynamic Range: 105dB8 G; u% e$ t/ F# T
. Master Clock
?% Z) k6 }0 I9 D9 S+ _4 nNormal speed: 256fs or 384fs, Double speed: 128fs or 198fs
4 t# M0 E1 l+ E, M. Power Supply: 4.5 to 5.5V S9 [; G7 b7 }0 h2 J% i5 H% N+ G4 W
. Small Package: 24pin VSOP |
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