Overview
The ADF4001BRUZ-RL, produced by Analog Devices Inc., is a high-performance frequency synthesizer designed to generate clock sources for Phase-Locked Loops (PLLs) that require very low noise and stable reference signals. This device is particularly useful in applications demanding precise clock generation, such as in telecommunications, data transmission, and other high-frequency systems.
The ADF4001 features a low noise digital Phase Frequency Detector (PFD), a precision charge pump, a programmable reference divider, and a programmable 13-bit N counter. It also includes a 14-bit reference counter (R counter) to allow selectable REFIN frequencies at the PFD input. This flexibility makes it an ideal component for implementing complete PLL systems when used with an external loop filter and Voltage-Controlled Oscillator (VCO) or Voltage-Controlled Crystal Oscillator (VCXO).
Key Specifications
| Parameter | Unit | Test Conditions/Comments | Min/Max |
|---|---|---|---|
| Operating Temperature Range | °C | B Version | −40 to +85 |
| Power Supply (AVDD, DVDD) | V | 2.7 to 5.5 | |
| Charge Pump Power Supply (VP) | V | AVDD ≤ VP ≤ 6.0 V | AVDD to 6.0 |
| RF Input Frequency (3 V) | MHz | 5 to 165 | |
| RF Input Frequency (5 V) | MHz | 10 to 200 | |
| Typical Operating Current | mA | TA = 25°C, AVDD = DVDD = 3 V | 4.5 |
| Low Power Sleep Mode Current | µA | TA = 25°C | 1 |
| Phase Noise Floor | dBc/Hz | @ 200 kHz offset | −161 |
| Package Type | 16-Lead Thin Shrink Small Outline Package (TSSOP) |
Key Features
- 200 MHz bandwidth
- Separate charge pump supply (VP) allowing extended tuning voltage in 5 V systems
- Programmable charge pump currents
- 3-wire serial interface
- Hardware and software power-down mode
- Analog and digital lock detect
- Hardware compatible with ADF4110/ADF4111/ADF4112/ADF4113
- Ultralow phase noise
- High impedance CMOS inputs
Applications
- Clock generation for PLLs
- Low frequency PLLs
- Low jitter clock source
- Clock smoothing
- Frequency translation
- SONET, ATM, ADM, DSLAM, SDM
Q & A
- What is the operating temperature range of the ADF4001BRUZ-RL?
The operating temperature range is −40°C to +85°C.
- What are the power supply voltage ranges for AVDD and DVDD?
The power supply voltage ranges for AVDD and DVDD are from 2.7 V to 5.5 V.
- What is the maximum frequency of the RF input at 5 V operation?
The maximum frequency of the RF input at 5 V operation is 200 MHz.
- What is the typical operating current of the ADF4001BRUZ-RL?
The typical operating current is 4.5 mA at TA = 25°C and AVDD = DVDD = 3 V.
- What is the phase noise floor of the ADF4001BRUZ-RL?
The phase noise floor is −161 dBc/Hz at 200 kHz offset.
- What package type is the ADF4001BRUZ-RL available in?
The ADF4001BRUZ-RL is available in a 16-Lead Thin Shrink Small Outline Package (TSSOP).
- Does the ADF4001BRUZ-RL support hardware and software power-down modes?
Yes, it supports both hardware and software power-down modes.
- What are some common applications of the ADF4001BRUZ-RL?
Common applications include clock generation for PLLs, low frequency PLLs, low jitter clock sources, clock smoothing, and frequency translation, among others.
- Is the ADF4001BRUZ-RL compatible with other Analog Devices PLL synthesizers?
Yes, it is hardware compatible with ADF4110/ADF4111/ADF4112/ADF4113.
- How does the ADF4001BRUZ-RL achieve low phase noise?
The device achieves low phase noise through its low noise digital PFD, precision charge pump, and programmable reference and N counters).
