Cirrus Logic CS5345 - Manual (Page 12)

12 DS658F4
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; T
A
= -10° to +70° C; 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 .
11. Referred to the typical Line-Level Full-Scale Input Voltage.
VA = 4.75 V to 5.25 V
Parameter Symbol Min Typ Max Unit
Dynamic Performance with PGA Line-Level Input Selected
Dynamic Range
PGA Setting: -12 dB to +6 dB
A-weighted
unweighted
PGA Setting: +12 dB Gain
A-weighted
unweighted
98
95
92
89
104
101
98
95
-
-
-
-
dB
dB
dB
dB
Total Harmonic Distortion + Noise (Note 11)
PGA Setting: -12 dB to +6 dB
-1 dB
-20 dB
-60 dB
PGA Setting: +12 dB Gain
-1 dB
-20 dB
-60 dB
THD+N
-
-
-
-
-
-
-80
-81
-41
-80
-75
-35
-74
-
-
-74
-
-
dB
dB
dB
dB
dB
dB
Dynamic Performance with PGA Mic-Level Input Selected
Dynamic Range
PGA Setting: -12 dB to 0 dB
A-weighted
unweighted
PGA Setting: +12 dB
A-weighted
unweighted
77
74
65
62
83
80
71
68
-
-
-
-
dB
dB
dB
dB
Total Harmonic Distortion + Noise (Note 11)
PGA Setting: -12 dB to 0 dB
-1 dB
-20 dB
-60 dB
PGA Setting: +12 dB
-1 dB
THD+N
-
-
-
-
-74
-60
-20
-68
-68
-
-
-
dB
dB
dB
dB