CS4334_08 Datasheet, PDF (20/24 Pages) Cirrus Logic – 8-Pin, 24-Bit, 96 kHz Stereo D/A Converter

Confidential Draft
3/11/08
CS4334/5/8/9
4.10 Base Rate Mode Performance Plots
++0⁺0⁰
-1-1^-0¹0⁰
-2-2^-0²0⁰
-3-3^-0³0⁰
-4-4^-0⁴0⁰
-5-5-0500
d -6^-6-0⁶⁰⁰
B
r _-7-7-₀700
A _-8-8-0800
-9-9^-0⁹0⁰
-1-10^-0¹0⁰0⁰
-1-11^-1¹0¹0⁰
-1-12^-2¹0²0⁰
-1-13^-3¹0³0⁰
-1-14-410400
22²k^kk
44⁴k^kk
66^6kkk
88⁸k^kk
1¹¹⁰⁰0^kkk
11¹22²k^kk
11¹44^4kkk
11¹6⁶6^kkk
11¹⁸88^kkk 22²0⁰0^kkk
Hz
H^Hz^z
20k
(16k FFT of a 1 kHz input signal)
Figure 23. 0 dBFS FFT (BRM)
++0⁺0⁰
-1-1-0100
-2-2-0200
-3-3-0300
-4-4-0400
-5-5-0500
-6-6-0600
d
B
r -7-7-0700
A _-8-8-0800
-9-9-0900
-1-10^-0¹0⁰0⁰
-1-11^-1¹0¹0⁰
-1-12^-2¹0²0⁰
-1-13^-3¹0³0⁰
-1-14-410400
22^2kkk
44^4kkk
6⁶6^kkk
88^8kk
11¹⁰00^kkk
11¹2^2kkk
11¹4⁴4^kkk
11¹⁶6^kkk
1¹1⁸8^k kk 2²20⁰0^kkk
Hz
H^Hzz
(16k FFT of a 1 kHz input signal)
Figure 24. -60 dBFS FFT (BRM)
+++000
-1-1^-0¹0⁰
-2-2^-0²0⁰
-3-3^-0³0⁰
-4-4^-0⁴0⁰
-5-5-0500
d -6^-6-0⁶⁰⁰
B
r _-7-7-₀700
A _-8-8-0800
-9-9^-0⁹0⁰
-1-10^-100⁰0⁰
-1-11^-110¹0⁰
-1-12^-120²0⁰
-1-13^-130³0⁰
-1-14^-140⁴0⁰
22^2kkk
4⁴4^kkk
6⁶6k^kk
8⁸8^kk
11¹⁰00^kkk
11¹2²2^kkk
11¹4⁴4^kkk
1¹1⁶66^k kk
1¹1⁸88^k kk 2²20⁰0^kk
Hz
H^Hzz
(16k FFT with no input signal)
Figure 25. Idle Channel Noise FFT (BRM)
+⁺⁺0⁰⁰
-1^-1-10⁰⁰
-2^-2-20⁰⁰
-3-3^-300⁰
-4-4^-400⁰
-5-5^-50⁰
d -6-6^-60⁰
B
r -7-7-7000
A _-8-8-8₀0
--99-9000
-1-1^-0¹0⁰00⁰
-1-1-1111000
-1-1^-2¹2²00⁰
-1-1-3133000
-1-1-4144000
22k²k^k
44⁴kk^k
66⁶k^kk
88⁸kk^k
11¹00^0kkk
11¹22²k^kk
11^{1 4}44^kkk
11¹⁶66^kkk
11₁88₈kk_k 2₂02k₀0k_k
H^{HH zz}z
(16k FFT of intermodulation distortion using 13 kHz and 14 kHz input signals)
Figure 26. Twin Tone IMD FFT (BRM)
-6-600
-7-700
d -8^-80⁰
B
r
A _-9-9₀0
-1-10000
-1-11100
-6600
--5500
--4400
--3300
--2200
ddBBFFSS
--110
++00
(THD+N plots measured using a 1kHz 24-bit dithered input signal)
Figure 27. THD+N vs. Amplitude (BRM)
+⁺⁺0⁰⁰
-1^-1-10⁰⁰
-2-2^-200⁰
-3^-3-30⁰⁰
-4^-4-40⁰⁰
-50 ^{d -5-500}
B
r
A -6^-6-60⁰⁰
-7^-7-70⁰⁰
-8-8^-800⁰
-9^-9-90⁰⁰
-1^-10^-010⁰⁰⁰
-1-11-110100
2₂₂0₀₀
5⁵⁵⁰⁰0
1¹¹0⁰⁰⁰⁰0
2²²0⁰⁰⁰⁰0
5⁵⁵0⁰⁰⁰0⁰
1^11kkk
2^22kkk
H^Hzz
Hz
5^55kkk
1¹¹0^00kkk 2²²0^00kkk
(THD+N plots measured using a 1kHz 24-bit dithered input signal)
Figure 28. THD+N vs. Frequency (BRM)
All measurements were taken from the CDB4334 evaluation board using the Audio Precision Dual Domain
System Two Cascade.
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DS248F5