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PLL1706DBQR Datasheet

  • PLL1706DBQR

  • 3.3-V DUAL PLL MULTICLOCK GENERATOR

  • 128.87KB

  • 17頁

  • TI

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PLL1705
PLL1706
SLES046A 鈥?AUGUST 2002 鈥?REVISED SEPTEMBER 2002
3.3-V DUAL PLL MULTICLOCK GENERATOR
FEATURES
D
27-MHz Master Clock Input
D
Generated Audio System Clock:
鈥?SCKO0: 768 f
S
(f
S
= 44.1 kHz)
鈥?SCKO1: 384 f
S
, 768 f
S
(f
S
= 44.1 kHz)
鈥?SCKO2: 256 f
S
(f
S
= 32, 44.1, 48, 64, 88.2,
96 kHz)
鈥?SCKO3: 384 f
S
(f
S
= 32, 44.1, 48, 64, 88.2,
96 kHz)
APPLICATIONS
D
DVD Players
D
DVD Add-On Cards for Multimedia PCs
D
Digital HDTV Systems
D
Set-Top Boxes
DESCRIPTION
The PLL1705
鈥?/div>
and PLL1706
鈥?/div>
are low cost, phase-locked
loop (PLL) multiclock generators. The PLL1705 and
PLL1706 can generate four system clocks from a 27-MHz
reference input frequency. The clock outputs of the
PLL1705 can be controlled by sampling frequency-control
pins and those of the PLL1706 can be controlled through
serial-mode control pins. The device gives customers both
cost and space savings by eliminating external
components and enables customers to achieve the very
low-jitter performance needed for high performance audio
DACs and/or ADCs. The PLL1705 and PLL1706 are ideal
for MPEG-2 applications which use a 27-MHz master
clock such as DVD players, DVD add-on cards for
multimedia PCs, digital HDTV systems, and set-top
boxes.
D
Zero PPM Error Output Clocks
D
Low Clock Jitter: 50 ps (Typical)
D
Multiple Sampling Frequencies:
鈥?f
S
= 32, 44.1, 48, 64, 88.2, 96 kHz
D
3.3-V Single Power Supply
D
PLL1705: Parallel Control
PLL1706: Serial Control
D
Package: 20-Pin SSOP (150 mil), Lead-Free
Product
FUNCTIONAL BLOCK DIAGRAM
(ML)
SR
(MC)
FS2
(MD)
FS1
CSEL
VCC AGND VDD1鈥? DGND1鈥?
Mode Control Interface
Reset
PLL2
XT1
OSC
XT2
PLL1
Power Supply
Divider
Divider
Divider
( ): PLL1706
MCKO1
MCKO2
SCKO0
SCKO1
SCKO2
SCKO3
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
鈥燭he PLL1705 and PLL1706 use the same die and they are electrically identical except for mode control.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright
錚?/div>
2002, Texas Instruments Incorporated

PLL1706DBQR 產(chǎn)品屬性

  • 2,000

  • 集成電路 (IC)

  • 時鐘/計(jì)時 - 時鐘發(fā)生器，PLL，頻率合成器

  • -

  • PLL 多時鐘發(fā)生器

  • 是

  • CMOS，晶體

  • CMOS

  • 1

  • 1:6

  • 無/無

  • 36.87MHz

  • 是/無

  • 2.7 V ~ 3.6 V

  • -25°C ~ 85°C

  • 表面貼裝

  • 20-SSOP（0.154"，3.90mm 寬）

  • 20-SSOP/QSOP

  • 帶卷 (TR)

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