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Preliminary
PLL501-22
27MHz Multiple Output VCXO with Audio Clock
FEATURES
* * 2 VCXO outputs at 27MHz (27MHz crystal input). Selectable Audio Clocks supporting: 32kHz, 44.1kHz, 48kHz, 64kHz and 96kHz sampling rates 256, 384 and 512 oversampling ratios 8.192, 11.2896, 12.288, 16.9344, 16.384, 18.432, 22.5792, 24.576MHz audio frequencies +/- 120ppm pull range Power down tri-state selector. 3.3V Operating Voltage. No external load capacitor or varicap required. Available in 16-Pin SSOP.
PACKAGE PIN CONFIGURATION
XIN XOUT VDD VDD VIN GND GND PDOWN^ 1 2 16 15 S1^ 27MHz VDD S0^ 27MHz GND ACLK S2^
PLL 501-22
3 4 5 6 7 8
14 13 12 11 10 9
* * * * *
XIN = 27 MHz
Note: ^: Internal pull-up resistor. The internal pull-up resistor results in a default high value when no pull-down resistor is connected to this pin.
DESCRIPTION
The PLL501-22 is a low cost integrated VCXO IC with power down feature, designed to work with a fundamental 27MHz crystal in order to provide most common audio clocks (8.192, 11.2896, 12.288, 16.9344, 16.384, 18.432, 22.5792, and 24.576MHz) required by sampling rates of 32kHz, 44.1kHz, 48kHz, 64kHz and 96kHz (256, 384 and 512 oversampling ratios). The audio clock follows the pulled 27MHz signal of the VCXO. The wide pull-range makes it ideal for STB and MPEG Video applications.
AUDIO CLOCK SELECTION
S2 0 0 0 0 1 1 1 1 S1 0 0 1 1 0 0 1 1 S0 0 1 0 1 0 1 0 1 ACLK (MHz) 8.192 11.2896 12.288 16.9344 18.432 16.384 22.5792 24.576
BLOCK DIAGRAM
[S2-S0] Vin
Audio PLL
ACLK
PDOWN Xin Xout
VCXO
27MHz 27MHz
47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991
Rev 02/26/04 Page 1
Preliminary
PLL501-22
27MHz Multiple Output VCXO with Audio Clock
PIN DESCRIPTIONS
Name
XIN XOUT VDD VDD VIN GND GND PDOWN S2 ACLK GND 27MHz S0 VDD 27MHz S1
Pin #
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Type
I I P P
I
Description
Crystal input to be connected to fundamental parallel mode crystal. (CL=9.5pF). Crystal output connector. 3.3V power supply. 3.3V power supply. Frequency control input (0V to 3.3V). Ground. Ground. Digital control input. This input powers down the entire chip and tri-states all outputs when low. 60k internal pull-up. Digital control input to select audio frequency. 60k internal pull-up. Audio clock output (see selection table on page 1). Ground. 27MHz VCXO output. Digital control input to select audio frequency. 60k internal pull-up. 3.3V power supply. 27MHz VCXO output. Digital control input to select audio frequency. 60k internal pull-up.
P P I I O P O I P O I
Notes: I - input pin; P - power supply/ground pin; O - output pin.
ELECTRICAL SPECIFICATIONS
1. Absolute Maximum Ratings PARAMETERS
Supply Voltage Input Voltage, dc Output Voltage, dc Storage Temperature Junction Temperature Lead Temperature (soldering, 10s) Input Static Discharge Voltage Protection
SYMBOL
V DD VI VO TS TJ
MIN.
MAX.
7
UNITS
V V V C C C kV
V SS -0.5 V SS -0.5 -65
V DD +0.5 V DD +0.5 150 125 260 2
Exposure of the device under conditions beyond the limits specified by Maximum Ratings for extended periods may cause permanent damage to the device and affect product reliability. These conditions represent a stress rating only, and functional operations of the device at these or any other conditions above the operational limits noted in this specification is not implied.
47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991
Rev 03/02/04 Page 2
Preliminary 2. Crystal Specifications PARAMETERS
Crystal Resonator Frequency Crystal Loading Rating Crystal Pullability Recommended ESR
PLL501-22
MAX. UNITS
MHz pF 250 30
27MHz Multiple Output VCXO with Audio Clock
SYMBOL
F XIN CL (xtal) C 0 /C 1 (xtal) RE
CONDITIONS
Parallel Fundamental Mode At VCON = 1.65V AT cut AT cut
MIN.
TYP.
27 9.5
Note: Crystal Loading rating: 9.5pF is the loading the crystal sees from the VCXO chip at VCON = 1.65V. It is assumed that the crystal will be at nominal frequency at this load. If the crystal requires more load to be at nominal frequency, the additional load must be added externally. This however may reduce the pull range.
3. Voltage Control Crystal Oscillator PARAMETERS
VCXO Stabilization Time * VCXO Tuning Range CLK output pullability Linearity VCXO Tuning Characteristic VCON input impedance VCON modulation BW 0V VCON 3.3V, -3dB 2000 25
SYMBOL
TVCXOSTB
CONDITIONS
From power valid XTAL C0/C1 < 250 0V VCON 3.3V
MIN.
240 120
TYP.
10
MAX.
UNITS
ms ppm ppm
5 80
10
% ppm/V k kHz
Note: Parameters denoted with an asterisk (*) represent nominal characterization data and are not production tested to any specific limits.
4. General Electrical Specifications PARAMETERS
Supply Current, Dynamic (with Loaded Outputs) Operating Voltage Ambient Operating Temperature
SYMBOL
IDD VDD TA 15pF Load
CONDITIONS
MIN.
TYP.
MAX.
TBD
UNITS
mA V C
2.97 0
3.30
3.63 70
47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991
Rev 03/02/04 Page 3
Preliminary
PLL501-22
27MHz Multiple Output VCXO with Audio Clock
5. AC Electrical Specifications PARAMETERS
Input Crystal Frequency Output Clock Rise Time Output Clock Fall Time Output Clock Duty Cycle Short Circuit Current 0.8V ~ 2.0V with 10 pF load 0.3V ~ 3.0V with 15 pF load 2.0V ~ 0.8V with 10 pF load 3.0V ~ 0.3V with 15pF load Measured @ 1.4V 45 3.7 50 50 3.7
SYMBOL
CONDITIONS
MIN.
TYP.
27
MAX.
1.5 5 1.5 5 55
UNITS
MHz
ns
% mA
6. Jitter specifications PARAMETERS
Cycle to Cycle Jitter Cycle to Cycle Jitter
CONDITIONS
Tcyc-cyc Tcyc-cyc
FREQUENCY
27MHz Audio Clock
MIN.
TYP.
MAX.
100 100
UNITS
ps ps
47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991
Rev 03/02/04 Page 4
Preliminary
PLL501-22
27MHz Multiple Output VCXO with Audio Clock
PACKAGE INFORMATION
16 PIN SSO P ( inch )
Sym bol A A1 B C D E H L e M in. .053 .004 .008 .007 .189 .150 .228 .016 Nom . .064 .006 .193 .154 .236 .025 .025 BAS IC M ax. .069 .010 .012 .010 .197 .157 .244 .050 e B A1 C L A D E H
ORDERING INFORMATION
PART NUMBER
The order number for this device is a combination of the following: Device number, Package type and Operating temperature range
PLL501-22 X C
PART NUMBER TEMPERATURE C=COMMERCIAL
PACKAGE TYPE X=SSOP
Order Number PLL501-22 XC PLL501-22 XC-R
Marking PLL501-22 XC PLL501-22 XC
Package Option SSOP - Tube SSOP - Tape and Reel
PhaseLink Corporation, reserves the right to make changes in its products or specifications, or both at any time without notice. The information furnished by Phaselink is believed to be accurate and reliable. However, PhaseLink makes no guarantee or warranty concerning the accuracy of said information and shall not be responsible for any loss or damage of whatever nature resulting from the use of, or reliance upon this product. LIFE SUPPORT POLICY: PhaseLink's products are not authorized for use as critical components in life support devices or systems without the express written approval of the President of PhaseLink Corporation.
47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991
Rev 03/02/04 Page 5

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