ADF4355-2 Microwave Wideband Synthesizer with Integrated VCO
The ADF4355-2 allows implementation of fractional-N or integer-N phase-locked loop (PLL) frequency synthesizers when used with an external loop filter and an external reference frequency. A series of frequency dividers permits operation from 54 MHz to 4400 MHz.
The ADF4355-2 has an integrated VCO with a fundamental output frequency ranging from 3400 MHz to 6800 MHz. In addition, the VCO frequency is connected to divide by 1, 2, 4, 8, 16, 32, or 64 circuits that allow the user to generate RF output frequencies as low as 54 MHz. For applications that require isolation, the RF output stage can be muted. The mute function is both pin and software controllable.
Control of all on-chip registers is through a simple 3-wire interface. The ADF4355-2 operates with analog and digital power supplies ranging from 3.15 V to 3.45 V, with charge pump and VCO supplies from 4.75 V to 5.25 V. The ADF4355-2 also contains hardware and software power-down modes.
Applications
- Wireless infrastructure (W-CDMA, TD-SCDMA, WiMAX, GSM, PCS, DCS, DECT)
- Point to point/point to multipoint microwave links
- Satellites/VSATs
- Test equipment/instrumentation
- Clock generation
Features and BenefitsRF output frequency range: 54 MHz to 4400 MHzFractional-N synthesizer and integer-N synthesizerHigh resolution 38-bit modulusLow phase noise, voltage controlled oscillator (VCO)Programmable divide by 1, 2, 4, 8, 16, 32, or 64 outputAnalog and digital power supplies: 3.3 VCharge pump and VCO power supplies: 5 V typicalLogic compatibility: 1.8 VProgrammable dual modulus prescaler of 4/5 or 8/9Programmable output power levelRF output mute function3-wire serial interfaceAnalog and digital lock detect | |
Data Sheets
Application Notes
User Guides
Order Information
Part Number | Package | Packing Qty | Temp Range | Price 100-499 | Price 1000+ | RoHS |
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ADF4355-2BCPZ Production | 32 ld LFCSP (5x5x.75mm) w/3.6exposed pad | OTH 490 | -40 to 85C | 19.75 | 13.01 | Y |
ADF4355-2BCPZ-RL7 Production | 32 ld LFCSP (5x5x.75mm) w/3.6exposed pad | REEL 1500 | -40 to 85C | 0 | 13.01 | Y |
Evaluation Boards
Part Number | Description | Price | RoHS |
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AD-FMCADC7-EBZ | Evaluation Board | -1 | Y |
EV-ADF4355-2SD1Z | Evaluation Board | -1 | Y |
EVAL-SDP-CS1Z | SDP-S Controller Board - Interface to EV-ADF4355-2SD1Z (also required) | 49 | Y |
Reference Materials