Cirrus Logic CS4348 - Manual (Page 6)

6
CS4344/5/8
DAC ANALOG CHARACTERISTICS
(Full-Scale Output Sine Wave, 997 Hz (Note 1) , Fs = 48/96/192 kHz; Test load R
L
= 3 k , C
L
= 10 pF ( Figure 1 ).
Measurement Bandwidth 10 Hz to 20 kHz, unless otherwise specified.)
Notes:
1. One LSB of triangular PDF dither added to data.
DAC ANALOG CHARACTERISTICS - ALL MODES
Parameter
5 V Nom 3.3 V Nom
Min Typ Max Min Typ Max Unit
Dynamic Performance for CS4344/5/8-CZZ (-10 to 70°C)
Dynamic Range 18 to 24-Bit A-weighted
unweighted
16-Bit A-weighted
unweighted
99
96
90
87 105
102
96
93
-
-
-
- 97
94
90
87 103
100
96
93
-
-
-
- dB
dB
dB
dB
Total Harmonic Distortion + Noise
18 to 24-Bit 0 dB
-20 dB
-60 dB
16-Bit 0 dB
-20 dB
-60 dB
-
-
-
-
-
- -90
-82
-42
-90
-73
-33 -85
-76
-36
-84
-67
-27 -
-
-
-
-
- -90
-80
-40
-90
-73
-33 -85
-74
-34
-84
-67
-27 dB
dB
dB
dB
dB
dB
Dynamic Performance for CS4344/5-DZZ (-40 to 85°C)
Dynamic Range 18 to 24-Bit A-weighted
unweighted
16-Bit A-weighted
unweighted
95
92
86
83 105
102
96
93
-
-
-
- 93
90
86
83 103
100
96
93
-
-
-
- dB
dB
dB
dB
Total Harmonic Distortion + Noise
18 to 24-Bit 0 dB
-20 dB
-60 dB
16-Bit 0 dB
-20 dB
-60 dB
-
-
-
-
-
- -90
-82
-42
-90
-73
-33 -82
-72
-32
-82
-63
-23 -
-
-
-
-
- -90
-80
-40
-90
-73
-33 -82
-70
-30
-82
-63
-23 dB
dB
dB
dB
dB
dB
Parameter Symbol Min Typ Max Unit
Interchannel Isolation (1 kHz) - 100 - dB
DC Accuracy
Interchannel Gain Mismatch - 0.1 0.25 dB
Gain Drift - 100 - ppm/°C
Analog Output
Full Scale Output Voltage 0.60•VA 0.65•VA 0.70•VA Vpp
Quiescent Voltage V
Q
- 0.5•VA - VDC
Max DC Current draw from an AOUT pin I
OUTmax
- 10 - A
Max Current draw from VQ I
Qmax
- 100 - A
Max AC-Load Resistance (see Figure 2 on page 8 ) R
L
- 3 - k 
Max Load Capacitance (see Figure 2 on page 8 ) C
L
- 100 - pF
Output Impedance Z
OUT
- 100 - 