Overview
The ADRF6518ACPZ-R7, produced by Analog Devices Inc., is a highly integrated RF IC that features a matched pair of fully differential low noise and low distortion programmable filters and variable gain amplifiers (VGAs). This device is designed to enhance signal quality in various RF and wireless applications by rejecting large out-of-band interferers and boosting the desired signal. It is particularly suited for quadrature-based (IQ) communication systems with dense constellations, multiple carriers, and nearby interferers.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 0 Hz to 1.1 GHz |
| Package Type | 32-lead, exposed pad LFCSP (5x5) |
| Supply Voltage | 3.15 V to 3.45 V |
| Supply Current | Maximum 400 mA, <1 mA when fully disabled |
| Operating Temperature | -40°C to +85°C |
| VGA Gain Control | 24 dB continuous gain control with fixed gain options |
| Filter Response | Six-pole Butterworth response with 0.5 dB corner frequencies from 1 MHz to 63 MHz |
| Output Impedance | Differential output impedance of less than 10 Ω |
| Output Signal Capability | Capable of driving 1.5 V p-p into 400 Ω loads at better than 65 dBc HD3 |
Key Features
- Programmable filters and variable gain amplifiers (VGAs) via SPI interface
- High spurious-free dynamic range over all gain and bandwidth settings
- Independent dc offset correction loops for each channel
- Wideband peak detector to monitor peak signal at filter inputs
- Output common-mode voltage adjustable via VOCM pin
- Advanced silicon-germanium BiCMOS process
Applications
The ADRF6518ACPZ-R7 is ideal for use in quadrature-based (IQ) communication systems, including those with dense constellations, multiple carriers, and nearby interferers. It is also suitable for various RF and wireless applications where high signal integrity and flexibility in gain and bandwidth settings are required.
Q & A
- What is the frequency range of the ADRF6518ACPZ-R7?
The frequency range of the ADRF6518ACPZ-R7 is from 0 Hz to 1.1 GHz. - What type of package does the ADRF6518ACPZ-R7 come in?
The ADRF6518ACPZ-R7 comes in a 32-lead, exposed pad LFCSP (5x5) package. - What is the supply voltage range for the ADRF6518ACPZ-R7?
The supply voltage range for the ADRF6518ACPZ-R7 is from 3.15 V to 3.45 V. - What is the maximum supply current of the ADRF6518ACPZ-R7?
The maximum supply current of the ADRF6518ACPZ-R7 is 400 mA, and it consumes less than 1 mA when fully disabled. - What is the operating temperature range of the ADRF6518ACPZ-R7?
The operating temperature range of the ADRF6518ACPZ-R7 is from -40°C to +85°C. - What type of gain control does the ADRF6518ACPZ-R7 offer?
The ADRF6518ACPZ-R7 offers 24 dB of continuous gain control with fixed gain options via the VGAs. - What is the filter response of the ADRF6518ACPZ-R7?
The ADRF6518ACPZ-R7 features a six-pole Butterworth response with 0.5 dB corner frequencies from 1 MHz to 63 MHz. - Can the filters be bypassed in the ADRF6518ACPZ-R7?
Yes, the filters can be disabled and completely bypassed to extend the -3 dB bandwidth up to 1100 MHz. - What is the output impedance of the ADRF6518ACPZ-R7?
The output impedance of the ADRF6518ACPZ-R7 is less than 10 Ω. - How does the ADRF6518ACPZ-R7 handle dc offset correction?
The ADRF6518ACPZ-R7 has independent dc offset correction loops for each channel, which can be disabled via the SPI interface if fully dc-coupled operation is desired.
