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WM8959 Scheda tecnica(PDF) 29 Page - Wolfson Microelectronics plc

Il numero della parte WM8959
Spiegazioni elettronici  Mobile Multimedia DAC with Dual-Mode Class AB/D Speaker Driver
PDF  155 Pages
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Produttore elettronici  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8959 Scheda tecnica(HTML) 29 Page - Wolfson Microelectronics plc

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Pre-Production
WM8959
w
PP, May 2008, Rev 3.1
29
CONTROL INTERFACE TIMING – 2-WIRE MODE
2-wire mode is selected by connecting the MODE pin low.
SDIN
SCLK
t
3
t
1
t
6
t
2
t
7
t
5
t
4
t
3
t
8
t
9
Figure 7 Control Interface Timing – 2-Wire Serial Control Mode
Test Conditions
DCVDD=1.8V, DBVDD=AVDD=HPVDD=SPKVDD=3.3V, DGND=AGND=HPGND=SPKGND=0V, TA=+25
oC, Slave Mode,
fs=48kHz, MCLK = 256fs, 24-bit data, unless otherwise stated.
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
Program Register Input Information
SCLK Frequency
526
kHz
SCLK Low Pulse-Width
t1
1.3
us
SCLK High Pulse-Width
t2
600
ns
Hold Time (Start Condition)
t3
600
ns
Setup Time (Start Condition)
t4
600
ns
Data Setup Time
t5
100
ns
SDIN, SCLK Rise Time
t6
300
ns
SDIN, SCLK Fall Time
t7
300
ns
Setup Time (Stop Condition)
t8
600
ns
Data Hold Time
t9
900
ns
Pulse width of spikes that will be suppressed
tps
0
5
ns



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