LMH2180

LMH2180 www.ti.com SNAS419D – JANUARY 2008 – REVISED MARCH 2013 LMH2180 75 MHz Dual Clock Buffer Check for Samples: LMH2180 FEATURES 1 2 (Typical Values are: VSUPPLY = 2.7V and CL = 10 pF, unless Otherwise Specified.) Small Signal Bandwidth 78 MHz Supply Voltage Range 2.4V to 5V Phase Noise (VIN = 1 VPP, fC = 38.4 MHz, Δf = 1 kHz) −123 dBc/Hz Slew Rate 106 V/μs Total Supply Current 2.3 mA Shutdown Current 30 µA Rail-to-Rail Input and Output Individual Buffer Enable Pins Rapid Ton Technology Crosstalk Rejection Circuitry Packages: – 8-Pin WSON, Solder Bump and no Pullback – 8-Bump DSBGA Temperature Range −40°C to 85°C APPLICATIONS 3G Mobile Applications WLAN–WiMAX Modules TD_SCDMA Multi-Mode MP3 and Camera GSM Modules Oscillator Modules DESCRIPTION The LMH2180 is a high speed dual clock buffer designed for portable communications and applications requiring multiple accurate multi-clock systems. The LMH2180 integrates two 75 MHz low noise buffers with independent shutdown pins into a small package. The LMH2180 ensures superb system operation between the baseband and the oscillator signal path by eliminating crosstalk between the multiple clock signals. Unique technology and design provides the LMH2180 with the ability to accurately drive both large capacitive and resistive loads. Low supply current combined with shutdown pins for each channel means the LMH2180 is ideal for battery powered applications. This part does not use an internal g...