PCM2705CDBR

Manufacturer Part NumberPCM2705CDBR
DescriptionIC DAC 16BIT STEREO W/USB 28SSOP
ManufacturerTexas Instruments
Series-
TypeDAC, USB
PCM2705CDBR datasheets

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Specifications of PCM2705CDBR

ApplicationsUSB AudioMounting Type*
Package / Case*Lead Free Status / Rohs StatusLead free / RoHS Compliant
Other names296-29562-2  
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PCM2704C, PCM2705C
PCM2706C, PCM2707C
SBFS036 – AUGUST 2011
LRCK (Output)
t
(BCH)
BCK (Output)
DOUT (Output)
DIN (Input)
Table 9. Audio Interface Timing Characteristics
SYMBOL
t
BCK pulse cycle time
(BCY)
t
BCK pulse duration, high
(BCH)
t
BCK pulse duration, low
(BCL)
t
LRCK delay time from BCK falling edge
(BL)
t
DOUT delay time from BCK falling edge
(BD)
t
DOUT delay time from LRCK edge
(LD)
t
DIN setup time
(DS)
t
DIN hold time
(DH)
(1) Load capacitance of LRCK, BCK, and DOUT is 20 pF.
SYSCK
(Output)
LRCK
(Output)
t
(SBL)
BCK
(Output)
Table 10. Audio Clock Timing Characteristics
SYMBOL
t
, t
LRCK delay time from SYSCK rising edge
(SLL)
(SLH)
t
, t
BCK delay time from SYSCK rising edge
(SBL)
(SBH)
(1) Load capacitance is 20 pF.
20
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Product Folder Link(s):
t
t
(BCL)
(BL)
t
(BCY)
t
(BD)
t
(DS)
t
(DH)
Figure 25. Audio Interface Timing
PARAMETER
t
(SLL)
t
(SBH)
Figure 26. Audio Clock Timing
PARAMETER
PCM2704C PCM2705C PCM2706C PCM2707C
www.ti.com
50% of V
DD
50% of V
DD
t
(LD)
50% of V
DD
50% of V
DD
(1)
MIN
MAX
UNIT
300
ns
100
ns
100
ns
–20
40
ns
–20
40
ns
–20
40
ns
20
ns
20
ns
t
(SLH)
(1)
MIN
MAX
UNIT
–5
10
ns
–5
10
ns
Copyright © 2011, Texas Instruments Incorporated

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