CS4334_04 Datasheet, PDF (20/25 Pages) Cirrus Logic – 8-Pin, 24-Bit, 96 kHz Stereo D/A Converter

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
44^4kkk
66^6kkk
88⁸k^kk
11¹0⁰0^kkk
11¹22²k^kk
11¹44^4kkk
11¹6⁶6^kkk
Hz
H^Hz^z
(16k FFT of a 1 kHz input signal)
Figure 23. 0 dBFS FFT (BRM)
11¹⁸88^kkk 22²0⁰0^kkk
20k
++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
-1-01^-0¹0⁰0⁰
-1-11^-1¹0¹0⁰
-1-21^-2¹0²0⁰
-1-31-310300
-1-41^-4¹0⁴0⁰
22^2kkk
44^4kkk
6⁶6k^kk
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^-11¹00⁰
-1-12^-12²00⁰
-1-13^-13³00⁰
-1-14^-14⁴00⁰
22^2kkk
4⁴4^kkk
6⁶6^kkk
8⁸8^kk
1¹1⁰0^kkk
11¹2²2^kkk
1¹14⁴4^kkk
1¹1⁶66^kkk
1¹1⁸8^k8kk 2²20⁰0^kk
Hz
H^Hzz
(16k FFT with no input signal)
Figure 25. Idle Channel Noise FFT (BRM)
+⁺⁺0⁰⁰
-^-1^1-10⁰⁰
--22^-200⁰
--33^-300⁰
--44^-400⁰
--55^-50⁰
d --66^-60⁰
B
r _--₇7-7₀00
A _--88-8₀0
--99-900
-1-1^-0¹0⁰00⁰
-1-1^-1¹1¹00⁰
-1-1^-2¹2²00⁰
-1-1-3133000
-1-1-4144000
22k²k^k
44⁴kk^k
66⁶k^kk
88⁸kk^k
11¹00^{0 k}kk
11¹22²k^kk
11¹ 44^{4 k}kk
11¹ 6⁶6^kkk
11₁88k₈k_k 2₂02k₀0k_k
H^{HH z}z^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
-4-400
--3300
--2200
--110
++00
d^dB^BF^FS^S
(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^-20⁰
-3^-3-30⁰⁰
-4^-4-40⁰⁰
-50 ^{d -5-500}
B
r
A -6-6^-60⁰
-^-7^7-70⁰⁰
--88^-800⁰
-9^-9-0⁹⁰⁰
-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.
20
DS248F3