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TAS2521 数据表(PDF) 14 Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS

部件名 TAS2521
功能描述  Digital Input Class-D Speaker Amplifier with Embedded miniDSP and mono headphone amplifier
PDF  35 Pages
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制造商  TAOS [TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS]
网页  http://www.taosinc.com
标志 TAOS - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS

TAS2521 数据表(HTML) 14 Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS

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background image
t
td
S
ta
MSB OUT
BIT 6 . . . 1
LSB OUT
t
sck
t
Lead
t
Lag
tsckh
t
sckl
tr
tf
tv(DOUT)
tdis
MSB IN
BIT 6 . . . 1
LSB IN
thi
tsu
SS
SCLK
MISO
MOSI
TAS2521
SLAS687A – FEBRUARY 2013 – REVISED FEBRUARY 2013
www.ti.com
3.5.6
SPI Interface Timing
Figure 3-6. SPI Interface Timing Diagram
Timing Requirements
At 25°C, DVDD = 1.8V
Table 3-1. SPI Interface Timing
PARAMETER
TEST CONDITION
IOVDD=1.8V
IOVDD=3.3V
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
tsck
SCLK Period (1)
100
50
ns
tsckh
SCLK Pulse width High
50
25
ns
tsckl
SCLK Pulse width Low
50
25
ns
tlead
Enable Lead Time
30
20
ns
tlag
Enable Lag Time
30
20
ns
td
Sequential Transfer Delay
40
20
ns
ta
Slave DOUT access time
40
40
ns
tdis
Slave DOUT disable time
40
40
ns
tsu
DIN data setup time
15
15
ns
thi
DIN data hold time
15
10
ns
tv;DOUT
DOUT data valid time
25
18
ns
tr
SCLK Rise Time
4
4
ns
tf
SCLK Fall Time
4
4
ns
(1)
These parameters are based on characterization and are not tested in production.
14
ELECTRICAL SPECIFICATIONS
Copyright © 2013, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Links: TAS2521



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