Cirrus Logic CS4349 - Manual (Page 10)

10 DS782F2
CS4349
2.4 DAC Analog Characteristics - Automotive (-DZZ)
Test conditions (unless otherwise specified): VLS = 1.35 V to 5.25 V, VLC = 3.14 V to 5.25 V, T
A
= -40° C
to 85° C, input test signal is a 997 Hz sine wave; Valid with the recommended capacitor values on VFILT, VQ, and
VBIAS and output circuit as shown in the typical connection diagram in Figure 10 and Figure 17 ; Fs = 48 kHz,
96 kHz, and 192 kHz; measurement bandwidth 10 Hz to 20 kHz.
Table 5. DAC Analog Characteristics - Automotive (-DZZ)
Parameter Symbol Min Typ Max Unit
VA = 4.75 V to 5.25 V
Dynamic Range (Note 3) 24-bit A-Weighted
unweighted
16-bit A-Weighted
unweighted
95
92
-
-
101
98
95
92
-
-
-
- dB
dB
dB
dB
Total Harmonic Distortion + Noise (Note 3)
24-bit 0 dB
-20 dB
-60 dB
16-bit 0 dB
-20 dB
-60 dB
THD+N
-
-
-
-
-
- -91
-78
-38
-90
-72
-32 -85
-
-32
-
-
-
dB
dB
dB
dB
dB
dB
VA = 3.14 V to 3.46 V
Dynamic Range (Note 3) 24-bit A-Weighted
unweighted
16-bit A-Weighted
unweighted
95
91
-
-
101
98
95
92
-
-
-
- dB
dB
dB
dB
Total Harmonic Distortion + Noise (Note 3)
24-bit 0 dB
-2 dB
-20 dB
-60 dB
16-bit 0 dB
-20 dB
-60 dB
THD+N
-
-
-
-
-
-
- -81
-91
-78
-38
-83
-72
-32 -50
-
-
-31
-
-
-
dB
dB
dB
dB
dB
dB
VA = 3.14 to 5.25 V
Interchannel Isolation (1 kHz) - 100 - dB
DC Accuracy
Interchannel Gain Mismatch - 0.1 0.25 dB
Gain Drift - -400 - ppm/°C
Analog Output
Full Scale Output Voltage 2.63 2.78 3.05 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 (Note 4) R
L
- 3 - k 
Max Load Capacitance (Note 4) C
L
- 100 - pF
Output Impedance Z
OUT
- 100 - 