Overview
The ADL5205ACPZ-R7, produced by Analog Devices Inc., is a digitally controlled, wide bandwidth, variable gain dual amplifier (DGA). This device is designed to provide precise gain control, high output third-order intercept (OIP3), and a near constant noise figure, making it an excellent choice for various receiver applications. The ADL5205 features a broad 35 dB gain range with a 1 dB step size, ensuring high flexibility in signal amplification. It operates on a single 3.3 V or 5 V supply and is fabricated on Analog Devices' high-speed silicon germanium (SiGe) complementary BiCMOS process, which enhances its performance and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Gain Range | 35 dB with 1 dB step size |
| Output Third-Order Intercept (OIP3) | 48.5 dBm at 200 MHz, 5 V, high performance mode |
| Bandwidth | Typical 1700 MHz in high performance mode |
| Supply Voltage | Single 3.3 V or 5 V |
| Quiescent Current | Typically 175 mA (high performance mode), 135 mA (low power mode) |
| Power-Down Current | 14 mA |
| Package | 40-lead, 6 mm × 6 mm LFCSP |
| Operating Temperature | −40°C to +85°C |
| Control Interfaces | Parallel 6-bit control interface with latch, SPI, gain step up/down interface |
Key Features
- Precise gain control with a broad 35 dB gain range and 1 dB step size.
- High output third-order intercept (OIP3) of 48.5 dBm at 200 MHz in high performance mode.
- Multiple control interface options including parallel 6-bit control interface with latch, SPI, and gain step up/down interface.
- Low power mode and power-down control with excellent input to output isolation when disabled.
- Single 3.3 V or 5 V supply operation.
- Compact, thermally enhanced 40-lead LFCSP package.
Applications
- Differential analog-to-digital converter (ADC) drivers.
- High intermediate frequency (IF) sampling receivers.
- High output power IF amplification.
- Instrumentation.
Q & A
- What is the gain range of the ADL5205?
The ADL5205 has a gain range of 35 dB with a 1 dB step size. - What is the output third-order intercept (OIP3) of the ADL5205?
The OIP3 is 48.5 dBm at 200 MHz in high performance mode. - What are the available control interfaces for the ADL5205?
The ADL5205 offers parallel 6-bit control interface with latch, SPI, and gain step up/down interface. - What is the typical bandwidth of the ADL5205?
The typical bandwidth is 1700 MHz in high performance mode. - What are the operating supply voltages for the ADL5205?
The ADL5205 operates on a single 3.3 V or 5 V supply. - What is the quiescent current of the ADL5205 in high performance mode?
The quiescent current is typically 175 mA in high performance mode. - How much current does the ADL5205 consume when disabled?
The ADL5205 consumes only 14 mA when disabled. - What is the package type and size of the ADL5205?
The ADL5205 comes in a 40-lead, 6 mm × 6 mm LFCSP package. - What is the operating temperature range of the ADL5205?
The operating temperature range is −40°C to +85°C. - What are some typical applications of the ADL5205?
Typical applications include differential ADC drivers, high IF sampling receivers, high output power IF amplification, and instrumentation.
