Overview
The MAX2870ETJC+ is an ultra-wideband phase-locked loop (PLL) with integrated voltage-controlled oscillators (VCOs) produced by Analog Devices Inc./Maxim Integrated. This device is capable of synthesizing frequencies from 23.5 MHz to 6.0 GHz, making it highly versatile for various applications. It operates in both integer-N and fractional-N modes, ensuring superior phase noise and spurious performance when combined with an external reference oscillator and loop filter.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Fundamental Frequency Range | 3000 - 6000 | MHz |
| Divided Frequency Range | 23.5 - 6000 | MHz |
| Output Power Range | -4 to +5 | dBm |
| Output Dividers | 1, 2, 4, 8, 16, 32, 64, 128 | |
| Control Interface | 4-wire serial interface | |
| Control Logic Compatibility | 1.8 V | |
| Package Type | Lead-free, RoHS-compliant, 5 mm x 5 mm, 32-pin TQFN | |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Ultra-wide frequency range from 23.5 MHz to 6.0 GHz
- Operates in both integer-N and fractional-N modes
- Multiple integrated VCOs covering 3000 MHz to 6000 MHz
- Dual differential output drivers, independently programmable to deliver -4 dBm to +5 dBm output power
- Output dividers ranging from 1 to 128 for extended frequency range
- High-performance phase-frequency detector (PFD)
- Controlled by a 4-wire serial interface compatible with 1.8 V control logic
- Manual or automatic VCO selection
- Output mute capability via software or hardware control
Applications
- Clock generation
- Wireless infrastructure
- Satellite communications
- Test and measurement applications
Q & A
- What is the frequency range of the MAX2870?
The MAX2870 can synthesize frequencies from 23.5 MHz to 6.0 GHz.
- What are the operating modes of the MAX2870?
The MAX2870 operates in both integer-N and fractional-N modes.
- What is the output power range of the MAX2870?
The output power range is from -4 dBm to +5 dBm.
- How is the MAX2870 controlled?
The MAX2870 is controlled by a 4-wire serial interface compatible with 1.8 V control logic.
- What are the key applications of the MAX2870?
The key applications include clock generation, wireless infrastructure, satellite communications, and test and measurement applications.
- What is the package type of the MAX2870?
The MAX2870 is available in a lead-free, RoHS-compliant, 5 mm x 5 mm, 32-pin TQFN package.
- What is the operating temperature range of the MAX2870?
The operating temperature range is from -40°C to +85°C.
- Can the output of the MAX2870 be muted?
Yes, the output can be muted by either software or hardware control.
- What are the benefits of using the MAX2870 in test and measurement applications?
The MAX2870 offers superior phase noise and spurious performance, making it ideal for high-performance test and measurement applications.
- Is the MAX2870 compatible with other Maxim Integrated products?
The MAX2870 is pin and software compatible with the MAX2871, which offers better performance.
