Overview
The AD8346ARU, produced by Analog Devices Inc., is a silicon RFIC (Radio Frequency Integrated Circuit) quadrature modulator designed for operation in the frequency range of 0.8 GHz to 2.5 GHz. This device is optimized for lower power applications and is particularly suited for high-performance direct modulation to RF signals. The AD8346 features excellent phase accuracy and amplitude balance, making it ideal for various RF and microwave applications.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 0.8 GHz to 2.5 GHz |
| Supply Voltage | 2.7 V to 5.5 V |
| Temperature Range | -40°C to +85°C |
| Package | 16-TSSOP |
| Mounting Type | Surface Mount |
| LO Frequency Range | 800 MHz to 2.5 GHz |
| Output Power | -6 dBm |
| Supply Current | 55 mA |
| Noise Floor | -147 dBm/Hz |
| P1dB | -3 dBm |
Key Features
- Differential LO input with a polyphase network phase splitter for accurate phase quadrature.
- Buffer amplifiers to improve signal-to-noise ratio.
- Gilbert-cell mixers for baseband modulation signals.
- Differential-to-single-ended converter with a totem-pole output stage.
- Band gap reference circuit for temperature-stable currents.
- Low LO feedthrough, achievable through dc coupling and offset voltage adjustments.
- Optimized for lower power applications.
Applications
- RF and microwave communication systems.
- Wireless communication infrastructure.
- Base stations and repeaters.
- High-performance direct modulation to RF signals.
- Various analog front-end applications in communications.
Q & A
- What is the frequency range of the AD8346ARU?
The AD8346ARU operates in the frequency range of 0.8 GHz to 2.5 GHz.
- What is the supply voltage range for the AD8346ARU?
The supply voltage range is 2.7 V to 5.5 V.
- What is the temperature range for the AD8346ARU?
The device operates over a temperature range of -40°C to +85°C.
- What package type is the AD8346ARU available in?
The AD8346ARU is available in a 16-TSSOP package.
- What is the typical output power of the AD8346ARU?
The typical output power is -6 dBm.
- How much current does the AD8346ARU typically consume?
The device typically consumes 55 mA of supply current.
- What is the noise floor of the AD8346ARU?
The noise floor is -147 dBm/Hz.
- How can LO feedthrough be minimized in the AD8346ARU?
LO feedthrough can be minimized by dc coupling the DAC to the AD8346 and applying small offset voltages.
- What type of LO drive is recommended for optimal performance?
A differential LO drive is recommended for optimal performance.
- Is the AD8346ARU suitable for high-performance direct modulation to RF signals?
Yes, the AD8346ARU is optimized for high-performance direct modulation to RF signals.
