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MAX2870 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX2870 Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 24 page  MAX2870 23.5MHz to 6000MHz Fractional/ Integer-N Synthesizer/VCO 19-6250; Rev 1; 7/12 Ordering Information appears at end of data sheet. Typical Application Circuit appears at end of data sheet. For related parts and recommended products to use with this part, refer to www.maximintegrated.com/MAX2870.related. Functional Diagram EVALUATION KIT AVAILABLE General Description The MAX2870 is an ultra-wideband phase-locked loop (PLL) with integrated voltage control oscillators (VCOs) capable of operating in both integer-N and fractional-N modes. When combined with an external reference oscillator and loop filter, the MAX2870 is a high-performance frequency synthesizer capable of synthesizing frequencies from 23.5MHz to 6.0GHz while maintaining superior phase noise and spurious performance. The ultra-wide frequency range is achieved with the help of multiple integrated VCOs covering 3000MHz to 6000MHz, and output dividers ranging from 1 to 128. The device also provides dual differential output drivers, which can be independently programmable to deliver -4dBm to +5dBm output power. Both outputs can be muted by either software or hardware control. The MAX2870 is controlled by a 3-wire serial interface and is compatible with 1.8V control logic. The device is available in a lead-free, RoHS-compliant, 5mm x 5mm, 32-pin TQFN package, and operates over an extended -40NC to +85NC temperature range. Applications Benefits and Features S Integer and Fractional-N Modes S Manual or Automatic VCO Selection S 3000MHz to 6000MHz Fundamental VCO S Output Binary Buffers/Dividers for Extended Frequency Range 1/2/4/8/16/32/64/128 23.5MHz to 6000MHz S High-Performance PFD 105MHz in Integer-N Mode 50MHz in Fractional-N Mode S Reference Frequency Up to 200MHz S Operates from +3.0V to +3.6V Supply S Dual Programmable Outputs -4dBm to +5dBm S Analog and Digital Lock Detect Indicators S Hardware and Software Shutdown Control S Compatible with 1.8V Control Logic Wireless Infrastructure Test and Measurement Satellite Communications Wireless LANs/CATV Military and Aerospace PMAR /LMAR/Public Safety Radio Clock Generation REF_IN CLK DATA LE X2 MUX MUX DIVIDE-BY-2 R COUNTER INTEGER FRAC MAIN MODULATOR MODULUS VCO SPI AND REGISTERS DIV-BY- 1/2/4/8 MUX DIV-BY- 1/2/4/8/16 MUX MUX LOCK DETECT CHARGE PUMP MUX_OUT LD CP_OUT CP_GND TUNE RFOUTA_P RFOUTB_P RFOUT_EN RFOUTA_N RFOUTB_N N COUNTER MAX2870 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com. |
Similar Part No. - MAX2870_12 |
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Similar Description - MAX2870_12 |
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