CS5345-DQZR Просмотр технического описания (PDF) - Cirrus Logic
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CS5345-DQZR Datasheet PDF : 41 Pages
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CS5345
PGAOUT ANALOG CHARACTERISTICS
Test conditions (unless otherwise specified): AGND = DGND = 0 V; VA = 3.13 V to 5.25 V; VD = 3.13 V to 5.25 V or
VA + 0.25 V, whichever is less; VLS = VLC = 1.71 V to 5.25 V; TA = -10° to +70° C for Commercial or -40° to
+85° C for Automotive; Input test signal: 1 kHz sine wave; Measurement bandwidth: 10 Hz to 20 kHz;
Fs = 48/96/192 kHz; Synchronous mode; All connections as shown in Figure 7 on page 22.
VA = 4.75 V to 5.25 V
Commercial Grade
Parameter
Symbol Min Typ Max
Dynamic Performance with PGA Line-Level Input Selected
Dynamic Range
PGA Setting: -12 dB to +6 dB
A-weighted
unweighted
98
104
-
95
101
-
PGA Setting: +12 dB Gain
A-weighted
92
unweighted
89
Total Harmonic Distortion + Noise (Note 11)
PGA Setting: -12 dB to +6 dB
-1 dB
-
-20 dB
-
-60 dB THD+N
-
98
-
95
-
-80
-74
-81
-
-41
-
PGA Setting: +12 dB Gain
-1 dB
-
-80
-74
-20 dB
-
-75
-
-60 dB
-
-35
-
Dynamic Performance with PGA Mic-Level Input Selected
Dynamic Range
PGA Setting: -12 dB to 0 dB
A-weighted
unweighted
77
83
-
74
80
-
PGA Setting: +12 dB
A-weighted
65
unweighted
62
Total Harmonic Distortion + Noise (Note 11)
PGA Setting: -12 dB to 0 dB
-1 dB
-
-20 dB
-60 dB
THD+N
-
-
71
-
68
-
-74
-68
-60
-
-20
-
PGA Setting: +12 dB
-1 dB
-
-68
-
Automotive Grade
Min Typ Max
96
104
-
93
101
-
90
98
-
87
95
-
-
-80
-72
-
-81
-
-
-41
-
-
-80
-72
-
-75
-
-
-35
-
75
83
-
72
80
-
63
71
-
60
68
-
-
-74
-66
-
-60
-
-
-20
-
-
-68
-
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
11. Referred to the typical Line-Level Full-Scale Input Voltage.
12
DS658F2
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