Overview
The ADF4355BCPZ-RL7, produced by Analog Devices Inc., is a high-performance microwave wideband synthesizer integrated with a voltage-controlled oscillator (VCO). This device is designed to implement fractional-N or integer-N phase-locked loop (PLL) frequency synthesizers, making it versatile for a wide range of RF applications. The ADF4355 operates with both analog and digital power supplies and features a high-resolution 38-bit modulus, ensuring low phase noise and high frequency stability.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Analog and Digital Power Supplies | 3.15 V | 3.3 V | 3.45 V | V | |
| Charge Pump and VCO Power Supplies | 4.75 V | 5.0 V | 5.25 V | V | |
| VCO Frequency Range | 3400 MHz | 6800 MHz | MHz | Fundamental VCO range | |
| RF Output Frequency Range | 53.125 MHz | 6800 MHz | MHz | ||
| Output Power Level | Programmable | ||||
| Logic Compatibility | 1.8 V | V | |||
| Power Consumption (Low Power Sleep Mode) | 500 µA | µA | |||
| Power Consumption (Hardware Power-Down) | 1000 µA | µA |
Key Features
- Fractional-N and integer-N synthesizer capabilities
- High resolution 38-bit modulus for precise frequency control
- Low phase noise, voltage-controlled oscillator (VCO)
- Programmable dual modulus prescaler of 4/5 or 8/9
- Programmable output power level
- RF output mute function, controllable via pin and software
- 3-wire serial interface for control of on-chip registers
- Integrated VCO with a fundamental output frequency range of 3400 MHz to 6800 MHz
- Divide by 1, 2, 4, 8, 16, 32, or 64 circuits for generating lower RF output frequencies
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
Q & A
- What is the operating voltage range for the ADF4355BCPZ-RL7? The device operates with analog and digital power supplies ranging from 3.15 V to 3.45 V, and charge pump and VCO supplies from 4.75 V to 5.25 V.
- What is the frequency range of the VCO in the ADF4355BCPZ-RL7? The VCO frequency range is from 3400 MHz to 6800 MHz.
- What are the key applications of the ADF4355BCPZ-RL7? Key applications include wireless infrastructure, point to point/point to multipoint microwave links, satellites/VSATs, test equipment/instrumentation, and clock generation.
- How is the RF output power level controlled in the ADF4355BCPZ-RL7? The RF output power level is programmable, allowing for flexible power management.
- What is the logic compatibility of the ADF4355BCPZ-RL7? The device is compatible with 1.8 V logic.
- How can the RF output be muted in the ADF4355BCPZ-RL7? The RF output can be muted via both pin and software control.
- What is the power consumption in low power sleep mode and hardware power-down mode? In low power sleep mode, the power consumption is 500 µA, and in hardware power-down mode, it is 1000 µA.
- What interface is used for controlling the on-chip registers of the ADF4355BCPZ-RL7? A simple 3-wire serial interface is used for controlling the on-chip registers.
- What is the significance of the 38-bit modulus in the ADF4355BCPZ-RL7? The 38-bit modulus provides high resolution for precise frequency control.
- Can the ADF4355BCPZ-RL7 generate lower RF output frequencies? Yes, the device can generate lower RF output frequencies using divide by 1, 2, 4, 8, 16, 32, or 64 circuits.
