參數(shù)資料
型號: TLV320AIC27TPFB
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: PLASTIC, TQFP-48
文件頁數(shù): 42/54頁
文件大?。?/td> 732K
代理商: TLV320AIC27TPFB
TLV320AIC27
STEREO AUDIO CODEC
SLAS253A – MARCH 2000 – REVISED SEPTEMBER 2000
47
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
detailed timing diagrams over operating temperature range, AVDD = 5 V, DVDD = 3.3 V, GND = 0 V,
(unless otherwise stated) (continued)
SYNC
BIT_CLK
t(SYNC_HIGH)
t(SYNC2CLK)
PARAMETER
MIN
TYP
MAX
UNIT
t(SYNC_HIGH)
SYNC active high pulsewidth
1.3
s
t(SYNC2_CLK)
SYNC inactive to BIT_CLK startup delay
162.4
ns
Figure 17. Warm Reset Timing
BIT_CLK
t(CLK_PERIOD)
tCLK_HIGH
SYNC
tSYNC_PERIOD
t(SYNC_LOW)
t(SYNC_HIGH)
t(CLK_HIGH)
t(CLK_LOW)
PARAMETER
MIN
TYP
MAX
UNIT
BIT_CLK frequency
12.288
MHz
t(CLK_PERIOD)
BIT_CLK period
81.4
ns
BIT_CLK output jitter
750
ps
t(CLK_HIGH)
BIT_CLK high pulse width (see Note 2)
32.56
40.7
48.84
ms
t(CLK_LOW)
BIT_CLK low pulse width (see Note 2)
32.56
40.7
48.84
ns
SYNC frequency
48
kHz
t(SYNC_PERIOD)
SYNC period
20.8
s
t(SYNC_HIGH)
SYNC high pulse width
1.3
s
t(SYNC_LOW)
SYNC low pulse width
19.5
s
NOTE 2: Worst-case duty cycle restricted to 40/60.
Figure 18. Clock Specifications (50-pF external load)
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