Gehäuseinformationen
| Gehäuse | Pins VQFN (RTQ) | 56 |
| Betriebstemperaturbereich (°C) -40 to 85 |
| Gehäusemenge | Träger 2.000 | LARGE T&R |
Merkmale von LMK04610
- Dual-loop PLL architecture
- Ultra low noise (10 kHz
to 20 MHz):
- 48-fs RMS jitter at 1966.08 MHz
- 50-fs RMS jitter at 983.04 MHz
- 61-fs RMS jitter at 122.88 MHz
- –165-dBc/Hz noise floor at 122.88 MHz
- JESD204B support
- Single shot, pulsed, and continuous SYSREF
-
10 differential output clocks in 8 frequency groups
- Programmable output swing between 700 mVpp to 1600 mVpp
- Each output pair can be configured to SYSREF clock output
- 16-bit channel divider
- Minimum SYSREF frequency of 25 kHz
- Maximum output frequency of 2 GHz
- Precision digital delay, dynamically adjustable
- Digital delay (DDLY) of ½ × clock distribution path frequency (2 GHz maximum)
- 60-ps step analog delay
- 50% duty cycle output divides, 1 to 65535
(even and odd)
- Two reference inputs
- Holdover mode, when inputs are lost
- Automatic and manual switch-over modes
- Loss-of-signal (LOS) detection
- 0.88-W typical power consumption with 10 outputs active
- Operates typically from a 1.8-V (outputs, inputs) and 3.3-V supply (digital, PLL1, PLL2_OSC, PLL2 core)
- Fully integrated programmable loop filter
- PLL2
- PLL2 phase detector rate up to 250 MHz
- OSCin frequency-doubler
- Integrated low-noise VCO
- Internal power conditioning: better than –80 dBc PSRR on VDDO for 122.88-MHz differential outputs
- 3- or 4-wire SPI interface (4-wire is default)
- –40ºC to +85ºC industrial ambient temperature
- Supports 105ºC PCB temperature (measured at thermal pad)
- LMK04610: 8-mm × 8-mm VQFN-56 package with 0.5-mm pitch
Beschreibung von LMK04610
The LMK0461x device family is the industry’s highest performance and lowest power jitter cleaner with JESD204B support.