26MHz Clock Source Multi Clock Generator
AK8139A
=Preliminary=
26MHz Clock Source Multi Clock Generator
AK8139A
Features
Input: Crystal input: 26.000MHz Config...
Description
AK8139A
=Preliminary=
26MHz Clock Source Multi Clock Generator
AK8139A
Features
Input: Crystal input: 26.000MHz Configured output frequency from: - CLK1 output: 19.200MHz / 8.000MHz / Off - CLK2 output: 12.000MHz / 24.000MHz / Off - CLK3 output: 32.768kHz - REF output: 26.000MHz / Off Output stand-by mode *output only CLK3 output Low Jitter Performance - Period Jitter: 25 psec (Typ. / 1σ) at CLK1, 2, REF - Cycle to Cycle Jitter: 30 psec (Typ. / 1σ) at CLK1, 2, REF Low Current Consumption: 7.9uA (Typ.) at Stand-by mode. S1-3=”L”, no load 5.4mA (Typ.) at 1.8V, S1-3=”H”, no load Supply Voltage: 1.8V PLL 1.8V to 3.3V for Output Operating Temperature Range: -30℃ to +85℃ Package: 20-pin QFN (Lead free, Halogen free)
Description
The AK8139A is a member of AKM’s low power multi clock generator family designed for digital consumer applications. An AKM’s original PLL architecture built in the AK8139A offers low power and low jitter performance enabling a system design to simple and save parts cost. The device operates at 1.8V, and the output voltage can be freely set from 1.8V to 3.3V. And it is supported in a small 20-pin QFN package.
Applications
Tablet PC Digital Video Camcorders Digital Still Camera Portable system Mobile Wi-Fi Router
Block Diagram
VDD XI 26.000 MHz XO
PLL2 Divide Logic and PLL3 Output Control Crystal Oscillator PLL1
CLK1
GND
CLK2
CLK3
S0 S1 S2 S3 REF
GND
rev.E_05 -1-
Dec 2012
http://www.Datasheet4U.com
AK8139A
Pin Descriptions
VDD5 14 VDD4 11 VSS5 13...
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