LMK01801 Texas instruments

LMK01801

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LMK01801

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Описание

The LMK01801 is a very low noise solution for clocking systems that require distribution and frequency division of precision clocks.The LMK01801 features extremely low residual noise, frequency division, digital and analog delay adjustments, and fourteen (14) programmable differential outputs: LVPECL, LVDS and LVCMOS (2 outputs per differential output).The LMK01801 features two independent inputs that can be driven differentially (LVDS, LVPECL) or in single-ended mode (LVCMOS, RF Sinewave). The first input drives output Bank A consisting of eight (8) outputs. The second input drives output Bank B consisting of six (6) outputs.

Pin control mode or MICROWIRE (SPI)
Input and output frequency range: 1 kHz to 3.1 GHz
Separate input for clock output banks A and B
14 differential clock outputs in two banks (A and B)
- Output Bank A
  - 8 differential, programmable outputs (up to 8 as LVCMOS)
  - Divider values of 1 to 8, even and odd.
- Output Bank B
  - 6 differential outputs (or up to 12 as LVCMOS)
  - Divides values of 1 to 1045 or 1 to 8, even and odd
  - Analog and digital delays
50% duty cycle on all outputs for all divides
Separate synchronization of bank A and B.
RMS additive jitter 50 fs at 800 MHz
- 50-fs RMS additive jitter (12 kHz to 20 MHz)
Industrial temperature range: –40°C to 85°C
3.15-V to 3.45-V Operation

Function	Clock divider
Additive RMS jitter (typ) (fs)	50
Output frequency (max) (MHz)	3100
Number of outputs	12
Output supply voltage (V)	3.3
Core supply voltage (V)	3.3
Output skew (ps)	3
Features	Pin programmable, uWire
Operating temperature range (°C)	-40 to 85
Rating	Catalog
Output type	LVCMOS, LVDS, LVPECL
Input type	LVDS