參數(shù)資料
型號(hào): DSD1794DBR
廠商: Texas Instruments, Inc.
英文描述: 24-BIT, 192-kHz SAMPLING, ADVANCED SEGMENT, AUDIO STRRO DIGITAL-TO-ALALOG CONVERTER
中文描述: 24位192 kHz的采樣,高級(jí)分段,音頻STRRO數(shù)字至ALALOG轉(zhuǎn)爐
文件頁數(shù): 22/47頁
文件大?。?/td> 417K
代理商: DSD1794DBR
SLES077A MARCH 2003 REVISED NOVEMBER 2003
www.ti.com
22
TIMING DIAGRAM
SDA
SCL
t(BUF)
t(D-SU)
t(D-HD)
Start
t(LOW)
t(S-HD)
t(SCL-F)
t(SCL-R)
t(HI)
Repeated Start
t(RS-SU)
t(RS-HD)
t(SDA-F)
t(P-SU)
t(SDA-R)
Stop
t(SP)
TIMING CHARACTERISTICS
PARAMETER
CONDITIONS
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
MIN
MAX
100
400
UNIT
f(SCL)
SCL clock frequency
kHz
t(BUF)
Bus free time between stop and start conditions
4.7
1.3
4.7
1.3
4
600
4.7
600
4
600
250
100
0
0
μ
s
t(LOW)
Low period of the SCL clock
μ
s
t(HI)
High period of the SCL clock
μ
s
ns
μ
s
ns
μ
s
ns
t(RS-SU)
Setup time for (repeated) start condition
t(S-HD)
t(RS-HD)
Hold time for (repeated) start condition
t(D-SU)
Data setup time
ns
t(D-HD)
Data hold time
900
900
1000
300
1000
300
1000
300
1000
300
1000
300
ns
t(SCL-R)
Rise time of SCL signal
20 + 0.1 CB
20 + 0.1 CB
20 + 0.1 CB
20 + 0.1 CB
20 + 0.1 CB
20 + 0.1 CB
20 + 0.1 CB
20 + 0.1 CB
20 + 0.1 CB
20 + 0.1 CB
4
600
ns
t(SCL-R1)
Rise time of SCL signal after a repeated start condition and after an
acknowledge bit
ns
t(SCL-F)
Fall time of SCL signal
ns
t(SDA-R)
Rise time of SDA signal
ns
t(SDA-F)
Fall time of SDA signal
ns
t(P-SU)
Setup time for stop condition
μ
s
ns
pF
ns
C(B)
t(SP)
Capacitive load for SDA and SCL line
Pulse duration of suppressed spike
400
50
Fast
Standard
Fast
VNH
Noise margin at high level for each connected device (including hysteresis)
0.2 VDD
V
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