ADL5561ACPZ-R7 - 2.9GHz Ultralow Distortion Diff Amp | Analog Devices
MPN: ADL5561ACPZ-R7 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $13.03 | $13.03 |
| 10 | $11.98 | $119.80 |
| 100 | $10.42 | $1,042.00 |
| 500 | $9.12 | $4,560.00 |
| 1,000 | $8.21 | $8,210.00 |
Drop-in alternatives for ADL5561ACPZ-R7 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
ADL5562ACPZ-R7
β Drop-Inπ Reference alternative (not in catalog)
ADL5565ACPZ-R7
β Drop-Inπ Reference alternative (not in catalog)
ADL5566ACPZ-R7
β Drop-Inπ Reference alternative (not in catalog)
LMH3401
β Drop-Inπ Reference alternative (not in catalog)
THS4521
β Drop-Inπ Reference alternative (not in catalog)
ADL5561ACPZ-R7 Maximum Ratings & Electrical Characteristics
| Amplifier Type | RF/IF Differential |
| Number of Circuits | 1 |
| -3 dB Bandwidth | 2.9 GHz (AV = 6 dB) |
| Slew Rate | 9800 V/Β΅s |
| Supply Voltage Range | 3 V to 3.6 V |
| Supply Current | 40 mA |
| Input Noise | 2.1 nV/βHz |
| Gain Options | 6 dB, 12 dB, 15.5 dB (pin-strappable) |
| Input Configuration | Differential or single-ended |
| Output Configuration | Differential |
| Frequency Range | 10 MHz to 2.9 GHz |
| Package / Case | 16-LFCSP-VQ (3x3 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40Β°C to +85Β°C |
| RoHS Status | Compliant |
ADL5561ACPZ-R7 Pin Configuration
| Pin 1 | VCC β Positive supply voltage (3 V to 3.6 V) |
| Pin 2 | INP β Non-inverting input |
| Pin 3 | INN β Inverting input |
| Pin 4 | GND β Ground |
| Pin 5 | G0 β Gain select pin 0 |
| Pin 6 | G1 β Gain select pin 1 |
| Pin 7 | VOCM β Output common-mode voltage |
| Pin 8 | OUTP β Non-inverting output |
| Pin 9 | OUTN β Inverting output |
| Pin 10 | GND β Ground |
| Pin 11 | VCC β Positive supply voltage |
| Pin 12 | PD β Power-down (active high) |
| Pin 13 | NC β No connect |
| Pin 14 | NC β No connect |
| Pin 15 | NC β No connect |
| Pin 16 | NC β No connect |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
ADL5561ACPZ-R7 is suitable for 6 applications: ADC Driver for Communications Receivers, IF Sampling in Software-Defined Radio, Radar and Electronic Warfare Systems, Test and Measurement Instrumentation, Medical Imaging Systems, Industrial Sensing and Data Acquisition.
ADC Driver for Communications Receivers
The ADL5561ACPZ-R7 is ideal for driving high-speed ADCs in communications receivers. Its 2.9 GHz bandwidth and low noise of 2.1 nV/βHz ensure that the ADC sees a clean, high-linearity signal, preserving the dynamic range of the receiver. The differential output directly interfaces with differential ADC inputs, eliminating the need for baluns and simplifying the signal chain. The pin-strappable gain options allow optimization of the signal level to match the ADC's full-scale range, maximizing SNR. In a typical receiver, the ADL5561 is placed between the IF filter and the ADC, providing gain and buffering while maintaining excellent distortion performance, which is critical for multi-carrier and wideband signals.
Recommended
IF Sampling in Software-Defined Radio
In software-defined radio (SDR) systems, the ADL5561ACPZ-R7 enables direct IF sampling by providing a high-bandwidth, low-distortion path from the IF stage to the ADC. Its 2.9 GHz bandwidth supports sampling of IF frequencies up to several hundred MHz, allowing the ADC to digitize the signal directly without multiple downconversion stages. The low noise figure of 2.1 nV/βHz preserves the weak signal integrity, while the high slew rate of 9800 V/Β΅s ensures fast settling for wideband signals. The differential output reduces common-mode noise, improving the overall SNR of the SDR receiver. This makes the ADL5561 a key component in modern SDR platforms for military, aerospace, and amateur radio applications.
Recommended
Radar and Electronic Warfare Systems
The ADL5561ACPZ-R7 is well-suited for radar and electronic warfare (EW) systems that require high dynamic range and wide bandwidth. Its ultralow distortion and 2.9 GHz bandwidth enable the amplification of wideband radar returns without introducing intermodulation products that could mask small targets. The low noise of 2.1 nV/βHz is essential for detecting weak echoes in the presence of strong clutter. The differential architecture provides common-mode rejection, reducing interference from power supply noise and ground bounce. In EW receivers, the ADL5561 can be used to drive ADCs that digitize the entire frequency band, enabling real-time spectrum analysis and threat detection. Its compact LFCSP package is suitable for dense array modules.
Recommended
Test and Measurement Instrumentation
In test and measurement equipment such as oscilloscopes, spectrum analyzers, and signal generators, the ADL5561ACPZ-R7 provides a high-performance signal conditioning solution. Its wide bandwidth and low distortion ensure that the instrument accurately reproduces the input signal without adding artifacts. The pin-strappable gain allows the user to adjust the signal level to match the measurement range, improving resolution. The differential output can drive differential ADCs in digitizers, enabling high-speed data acquisition. The low noise figure is critical for measuring small signals accurately. The ADL5561's fast slew rate of 9800 V/Β΅s ensures that fast transients are captured without slew-induced distortion, making it ideal for high-speed test applications.
Recommended
Medical Imaging Systems
The ADL5561ACPZ-R7 is used in medical imaging systems such as ultrasound and MRI equipment, where high signal fidelity is paramount. In ultrasound, the amplifier drives the ADC that digitizes the echo signals, and its low noise and high linearity ensure that fine anatomical details are preserved. The wide bandwidth supports the high-frequency ultrasound transducers used in modern imaging. In MRI, the ADL5561 can be used in the receive chain to amplify the weak RF signals from the patient, maintaining the signal-to-noise ratio required for high-quality images. The differential output reduces common-mode interference from the MRI gradient coils, improving image clarity. The low power consumption is beneficial for portable and battery-operated medical devices.
Recommended
Industrial Sensing and Data Acquisition
In industrial sensing and data acquisition systems, the ADL5561ACPZ-R7 provides high-speed signal conditioning for sensors such as vibration, pressure, and temperature. Its wide bandwidth allows the capture of fast transient signals, while the low noise ensures accurate measurement of small sensor outputs. The differential output is compatible with differential ADCs, improving noise immunity in electrically noisy industrial environments. The pin-strappable gain allows the user to optimize the signal level for different sensor types, reducing the need for external gain stages. The device's robust design and wide operating temperature range make it suitable for harsh industrial conditions. The low power consumption is advantageous for remote and battery-powered sensors.
Recommended
Recommended Products Summary
Engineering reference data for ADL5561ACPZ-R7 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADL5562ACPZ-R7 | ADL5565ACPZ-R7 | LMH3401 |
|---|---|---|---|---|
| Package | 16-LFCSP-VQ (3x3 mm) | 16-LFCSP-VQ (3x3 mm) | 16-LFCSP-VQ (3x3 mm) | 16-LFCSP-VQ (3x3 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Bandwidth | 2.9 GHz | 3.3 GHz | 3.9 GHz | 2.8 GHz |
| Input Noise | 2.1 nV/βHz | 1.8 nV/βHz | 1.3 nV/βHz | 2.0 nV/βHz |
| Supply Current | 40 mA | 45 mA | 50 mA | 38 mA |
| Gain Options | 6, 12, 15.5 dB | 6, 12, 15.5 dB | 6, 12, 15.5 dB | 6, 12, 15.5 dB |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3.3 V to 5 V |
| Slew Rate | 9800 V/Β΅s | 11000 V/Β΅s | 12000 V/Β΅s | 9000 V/Β΅s |
Key Differentiators
- Higher bandwidth than ADL5561 (vs ADL5562ACPZ-R7)
- Lower noise than ADL5561 (vs ADL5565ACPZ-R7)
- Lower power than LMH3401 (vs LMH3401)
Design Notes
For optimal high-frequency performance, use controlled impedance traces (50 Ξ© single-ended or 100 Ξ© differential) for all input and output connections. Place decoupling capacitors (0.1 Β΅F and 10 Β΅F) as close as possible to the VCC pins. Follow the recommended PCB layout in the ADL5561 datasheet to minimize parasitic inductance and capacitance, which can degrade bandwidth and distortion.
The ADL5561 operates from 3 V to 3.6 V and draws 40 mA. Ensure a clean, low-noise supply to avoid degrading the amplifier's noise performance. Use a low-dropout regulator (LDO) with low output noise, such as the ADP151, to power the amplifier. Add a ferrite bead in series with the supply to filter high-frequency noise.
Do not exceed the absolute maximum supply voltage of 3.6 V. Ensure the input common-mode voltage is within the specified range to avoid clipping. When using the power-down pin (PD), ensure it is properly driven to avoid unintended shutdown. Also, verify the gain setting pins (G0, G1) are correctly strapped to achieve the desired gain.
Compliance Information
RoHS compliant per distributor data. Other compliance information not specified in the provided data.
