Overview
The ADF4106SCPZ-EP-R7 is a frequency synthesizer produced by Analog Devices Inc. This component is designed to implement local oscillators in the up-conversion and down-conversion sections of wireless receivers and transmitters. It features a low noise, digital phase frequency detector (PFD), a precision charge pump, a programmable reference divider, and programmable A and B counters along with a dual-modulus prescaler (P/P + 1).
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| Power Supply (DVDD, AVDD) | 2.7 to 3.3 | V | |
| Charge Pump Power Supply (VP) | ≥ VDD, ≤ 5.5 | V | In systems where VDD is 3 V, VP can be extended |
| RF Input Frequency (RFIN) | 0.5 to 6.0 | GHz | For lower frequencies, ensure slew rate (SR) > 320 V/µs |
| REFIN Input Frequency | 20 to 300 | MHz | For f < 20 MHz, ensure SR > 50 V/µs |
| Maximum Allowable Prescaler Output Frequency | 300 MHz (P = 8), 325 MHz (P = 16) | MHz | |
| Phase Detector Frequency | 104 MHz max | MHz | ABP = 0, 0 (2.9 ns antibacklash pulse width) |
| Charge Pump Current (ICP) | 5 mA (high value), 625 µA (low value) | mA/µA | With RSET = 5.1 kΩ |
| Normalized Phase Noise Floor (PNSYNTH) | −223 dBc/Hz typ | dBc/Hz | PLL loop BW = 500 kHz |
| Power Consumption (IDD) | 9.0 mA typ, 11.5 mA max (AIDD + DIDD) | mA | TA = 25°C |
| Power-Down Mode Current | 10 µA typ | µA | TA = 25°C |
Key Features
- 6.0 GHz bandwidth
- 2.7 V to 3.3 V power supply
- Separate charge pump supply (VP) allows extended tuning voltage in 3 V systems
- Programmable dual-modulus prescaler (8/9, 16/17, 32/33, 64/65)
- Programmable charge pump currents and antibacklash pulse width
- 3-wire serial interface
- Analog and digital lock detect
- Hardware and software power-down mode
- Support for defense and aerospace applications (AQEC) with military temperature range (−55°C to +125°C)
Applications
- Broadband wireless access
- Satellite systems
- Instrumentation
- Wireless LANs
- Base stations for wireless radios
Q & A
- What is the primary function of the ADF4106SCPZ-EP-R7?
The ADF4106SCPZ-EP-R7 is a frequency synthesizer used to implement local oscillators in the up-conversion and down-conversion sections of wireless receivers and transmitters.
- What is the operating voltage range for the ADF4106SCPZ-EP-R7?
The operating voltage range is 2.7 V to 3.3 V for both DVDD and AVDD.
- What is the maximum RF input frequency for the ADF4106SCPZ-EP-R7?
The maximum RF input frequency is 6.0 GHz.
- What are the programmable features of the ADF4106SCPZ-EP-R7?
The device features programmable dual-modulus prescaler, charge pump currents, and antibacklash pulse width.
- Does the ADF4106SCPZ-EP-R7 support power-down modes?
Yes, it supports both hardware and software power-down modes.
- What are the typical applications of the ADF4106SCPZ-EP-R7?
Typical applications include broadband wireless access, satellite systems, instrumentation, wireless LANs, and base stations for wireless radios.
- What is the normalized phase noise floor of the ADF4106SCPZ-EP-R7?
The normalized phase noise floor is −223 dBc/Hz typical.
- How does the ADF4106SCPZ-EP-R7 support defense and aerospace applications?
The device supports defense and aerospace applications with a military temperature range (−55°C to +125°C) and controlled manufacturing baseline.
- What is the maximum allowable prescaler output frequency for the ADF4106SCPZ-EP-R7?
The maximum allowable prescaler output frequency is 300 MHz for P = 8 and 325 MHz for P = 16.
- How is the data loaded into the ADF4106SCPZ-EP-R7?
The data is loaded through a 3-wire serial interface and is latched into the 24-bit shift register on the CLK rising edge.
- What is the power consumption of the ADF4106SCPZ-EP-R7 in power-down mode?
The power consumption in power-down mode is 10 µA typical.
