si5350a Silicon Laboratories, si5350a Datasheet
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si5350a
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si5350a Summary of contents
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... Printers, scanners, projectors Description The Si5350A is a user-definable custom clock generator that is ideally suited for replacing crystals and crystal oscillators in cost-sensitive applications. Based on a PLL + high resolution fractional divider MultiSynth can generate any frequency up to 125 MHz on each of its outputs with 0 ppm error ...
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... Si5350A 2 Rev. 0.2 ...
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... ABLE O F ONTENTS Section 1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 2. Typical Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 3. Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 4. Configuring the Si5350A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 4.1. Crystal Inputs (XA, XB 4.2. Output Clocks (CLK0–CLK7 4.3. Programmable Control Pins (P0–P4) Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4.4. Design Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5. Pin Descriptions (20-Pin QFN, 24-Pin QSOP Pin Descriptions (10-Pin MSOP ...
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... Si5350A 1. Electrical Specifications Table 1. Recommended Operating Conditions (V = 2.5 V ±10%, or 3.3 V ±10 –40 to 85° Parameter Symbol Ambient Temperature T A Core Supply Voltage V DD Output Buffer Voltage V DDOx Note: All minimum and maximum specifications are guaranteed and apply across the recommended operating conditions. ...
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... Test Condition Package 10-MSOP Still Air 24-QSOP JA 20-QFN 10-MSOP Still Air 24-QSOP JC 20-QFN = – °C) Test Condition Min 25 –0.1 0 Rev. 0.2 Si5350A Min Typ Max Unit — — — 10 > 1 MHz — 100 — 100 — — 200 — ...
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... Si5350A Table 7. Output Characteristics (V = 2.5 V ±10%, or 3.3 V ±10 – ° Parameter Symbol Frequency Range F CLK Load Capacitance C L Duty Cycle DC Rise/Fall Time Output High Voltage V OH Output Low Voltage V OL Period Jitter J PER Cycle-to-Cycle Jitter J CC ...
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... Typical Application The Si5350A is a user-definable custom clock generator that is ideally suited for replacing crystals and crystal oscillators in cost-sensitive applications. An example application is shown in CPU 27 MHz USB Controller Ethernet PHY Figure 1. Example of an Si5350A in an Audio/Video Application Figure 1. 74.25 74.25 MHz or MHz 1.001 33.3333 MHz ...
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... MultiSynth divider per output. A block diagram of both the 3-output and 8-output versions are shown in Figure 2. This unique architecture allows the Si5350A to generate up to eight independent, non-integer-related frequencies at any of its outputs. Each MultiSynth a pin controlled glitchless frequency change at each output (CLK0 to CLK5). ...
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... XTAL L to the Si5350A. Options for internal load capacitors are pF internal load capacitors. XTALs with alternate load capacitance requirements are supported using external load capacitors as shown in Figure 3. Figure 3. External XTAL with Optional Load Capacitors 4.2. Output Clocks (CLK0– ...
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... An optional power down control pin allows a full shutdown of the Si5350A to minimize power consumption when its output clocks are not being used. The Si5350A is in normal operation when the PDN pin is held low and is in power down mode when held high. Power consumption when the device is in power down mode is indicated in Table 3 on page 4 ...
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... Up to two frequency select pins are available on the Si5350A. Each of the frequency select pins can be linked to any of the clock outputs as shown in Figure 6. For example, FS_0 can be linked to control clock frequency selection on CLK0, CLK3, and CLK5; FS_1 can be used to control clock frequency selection on CLK1, CLK2, and CLK4 ...
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... Power Supply Decoupling/Filtering The Si5350A has built-in power supply filtering circuitry to help keep the number of external components to a minimum. All that is recommended is one 0.1 µF decoupling capacitor per power supply pin. This capacitor should be mounted as close to the VDD and VDDO pins as possible without using vias. ...
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... Pin Descriptions (20-Pin QFN, 24-Pin QSOP) Si5350A 20-QFN (Top View GND P0 3 PAD Pin Number Pin Name 20-QFN 24-QSOP CLK0 13 21 CLK1 12 20 CLK2 9 15 CLK3 8 14 CLK4 19 3 CLK5 17 1 CLK6 16 24 CLK7 ...
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... O CLK1 9 O CLK2 VDD 1 P VDDO 7 P GND 8 P *Note Input Output Power 14 Si5350A 10-MSOP Top View VDD CLK0 CLK1 GND P0 VDDO CLK2 5 6 Function Input pin for external XTAL Input pin for external XTAL ...
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... This drawing conforms to the JEDEC Solid State Outline MO-137, Variation C 4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020C specification for Small Body Components. Min Nom — — 0.10 — 0.19 — 0.15 — 8.55 8.65 6.00 BSC 3.81 3.90 0.635 BSC 0.40 — 0.25 BSC 0 — 0.10 0.17 0.10 Rev. 0.2 Si5350A Max 1.75 0.25 0.30 0.25 8.75 3.99 1. ...
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... Si5350A 8. Package Outline (20-Pin QFN) Dimension aaa bbb ccc ddd eee Notes: 1. All dimensions shown are in millimeters (mm) unless otherwise noted. 2. Dimensioning and Tolerancing per ANSI Y14.5M-1994. 3. This drawing conforms to the JEDEC Outline MO-220, variation VGGD-8. ...
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... This drawing conforms to the JEDEC Solid State Outline MO-137, Variation C 4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020C specification for Small Body Components. Min Nom — — 0.00 — 0.75 0.85 0.17 — 0.08 — 3.00 BSC 4.90 BSC 3.00 BSC 0.50 BSC 0.40 0.60 0.25 BSC 0 — — — — — — — — — Rev. 0.2 Si5350A Max 1.10 0.15 0.95 0.33 0.23 0.80 8 0.20 0.25 0.10 0.08 17 ...
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... Si5350A devices with a user defined configuration. In addition to field programming, this development kit supports simplified device evaluation of any Si5350A device. The ordering part numbers for the development kits and blank Si5350A devices to be used for field programming are shown in Figure 9 and Figure 10, respectively. Si535x Figure 9 ...
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... N : OTES Rev. 0.2 Si5350A 19 ...
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... Si5350A C I ONTACT NFORMATION Silicon Laboratories Inc. 400 West Cesar Chavez Austin, TX 78701 Tel: 1+(512) 416-8500 Fax: 1+(512) 416-9669 Toll Free: 1+(877) 444-3032 Please visit the Silicon Labs Technical Support web page: https://www.silabs.com/support/pages/contacttechnicalsupport.aspx and register to submit a technical support request. The information in this document is believed to be accurate in all respects at the time of publication but is subject to change without notice. ...