参数资料
型号: TAS5424ATPHDMQ1
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: 116 W, 4 CHANNEL, AUDIO AMPLIFIER, PQFP64
封装: PLASTIC, HTQFP-64
文件页数: 4/51页
文件大小: 1422K
代理商: TAS5424ATPHDMQ1
SCL
SDA
t
w(H)
t
w(L)
t
r
t
f
t
su1
t
h1
T0027-01
SCL
SDA
t
h2
t
(buf)
t
su2
t
su3
Start
Condition
Stop
Condition
T0028-01
SLOS535B – MAY 2009 – REVISED JANUARY 2010
www.ti.com
TIMING REQUIREMENTS FOR I
2C INTERFACE SIGNALS
over recommended operating conditions (unless otherwise noted)
PARAMETER
MIN
TYP
MAX
UNIT
tr
Rise time for both SDA and SCL signals
1000
ns
tf
Fall time for both SDA and SCL signals
300
ns
tw(H)
SCL pulse duration, high
4
ms
tw(L)
SCL pulse duration, low
4.7
ms
tsu2
Setup time for START condition
4.7
ms
th2
START condition hold time after which first clock pulse is generated
4
ms
tsu1
Data setup time
250
ns
th1
Data hold time
0(1)
ns
tsu3
Setup time for STOP condition
4
ms
CB
Load capacitance for each bus line
400
pF
(1)
A device must internally provide a hold time of at least 300 ns for the SDA signal to bridge the undefined region of the falling edge of
SCL.
Figure 1. SCL and SDA Timing
Figure 2. Timing for Start and Stop Conditions
12
Copyright 2009–2010, Texas Instruments Incorporated
Product Folder Link(s): TAS5414A TAS5424A
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