參數(shù)資料
型號(hào): PCM1851APJTRG4
英文描述: 24-BIT, 96-kHz STEREO A/D CONVERTER WITH 6 ⅴ 2-CHANNEL MUX AND PGAE
中文描述: 24位,96千赫立體聲A / D轉(zhuǎn)換器6ⅴ2通道MUX和PGAE
文件頁(yè)數(shù): 21/32頁(yè)
文件大小: 409K
代理商: PCM1851APJTRG4
www.ti.com
BCK
LRCK
DOUT
t
(BCKH)
t
(BCKL)
t
(CKLR)
t
(LRCP)
t
(BCKP)
t
(CKDO)
t
(LRDO)
0.5 V
DD
0.5 V
DD
0.5 V
DD
T0018-02
PCM1850A
PCM1851A
SLES173–MARCH 2006
SYMBOL
t
(BCKP)
t
(BCKH)
t
(BCKL)
t
(CKLR)
t
(LRCP)
t
(CKDO)
t
(LRDO)
t
r
t
f
NOTE: Timing measurement reference level is 0.5 V
DD
. Rise and fall times are measured from 10% to 90% of IN/OUT signal swing. Load
capacitance of all signals is 20 pF.
PARAMETER
MIN
150
60
60
–10
10
–10
–10
TYP
MAX
1000
400
400
UNIT
ns
ns
ns
ns
μ
s
ns
ns
ns
ns
BCK period
BCK pulse duration, HIGH
BCK pulse duration, LOW
Delay time, BCK falling edge to LRCK valid
LRCK period
Delay time, BCK falling edge to DOUT valid
Delay time, LRCK edge to DOUT valid
Rise time of all signals
Fall time of all signals
1/(64 f
S
)
0.5 t
(BCKP)
0.5 t
(BCKP)
20
60
20
20
10
10
1/f
S
Figure 25. Audio Data Interface Timing (Master Mode: LRCK, BCK Work as Outputs)
21
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