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LC823450 Datasheet(PDF) 62 Page - ON Semiconductor

Part # LC823450
Description  Low Power & High-Resolution Audio Processing System LSI
PDF  112 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LC823450 Datasheet(HTML) 62 Page - ON Semiconductor

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LC823450
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Table 23.
XT1 Frequency
[MHz]
VCO Frequency
[MHz] (Note 37)
Sampling
Frequency Fs
PLL2 Divide
PLL2 Multiply
Phase
Comparison
Frequency
Fref [KHz]
12
147.456
48 KHz
125
1536
96
135.4752
44.1 KHz
625
7056
19.2
98.304
32 KHz
125
1024
96
20
147.456
48 KHz
625
4608
32
135.4752
44.1 KHz
3125
21168
6.4
98.304
32 KHz
625
3072
32
24
147.456
48 KHz
125
768
192
135.4752
44.1 KHz
625
3528
38.4
98.304
32 KHz
125
512
192
48
147.456
48 KHz
125
384
384
135.4752
44.1 KHz
625
1764
76.8
98.304
32 KHz
125
256
384
37. VCO frequency = 768
× Fs × 4
PLL3 (Audio)
Table 24. PLL3 (AUDIO) (VDD1 = 0.93 to 1.27 V, TA = −20°C to +65°C)
Item
Symbol
Condition
AVDDPLL1 = 0.93 to 1.1 V
Unit
Min
Typ
Max
VCO Voltage
VCNT3
0
AVDDPLL3
V
The VCO
Highest Oscillation Frequency
Fmax
150
MHz
The VCO
Lowest Oscillation Frequency
Fmin
95
MHz
Phase Comparison
Frequency
Fref
1
MHz
PLL Lock Time
Tlock
32
42
ms
Jitter (Note 38)
Jitter
±3.37
±4.38
%
38. Result of simulation.
Class−D AMP
Table 25. CLASS−D AMP (VDD1 = 0.93 to 1.27 V, TA = −20°C to +65°C)
Item
Symbol
Condition
AVDDDAMPL = AVDDDAMPR =
0.93 to 1.65 V
Unit
Min
Typ
Max
On Resistance
Ron
On resistance is set to
minimum by register.
(Note 39)
0.5
1.5
4.0
Ω
39. Set 0x3ff00 to Drivability set register ZINP of ProgrammersModel_DAMPCTL.



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