Overview
The AD8314ARM, produced by Analog Devices Inc., is a complete low-cost subsystem designed for the measurement and control of RF signals. It operates over a wide frequency range of 100 MHz to 2.7 GHz, making it suitable for various wireless communication applications. This RF detector provides a logarithmic output voltage proportional to the input RF power, offering a dynamic range of 45 dB and excellent temperature stability from –30°C to +85°C.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices, Inc. |
| Package | 8-TSSOP, 8-MSOP (0.118', 3.00mm Width) |
| Frequency Range | 100 MHz to 2.7 GHz |
| Input Range | –45 dBm to 0 dBm |
| Supply Voltage | 2.7 V to 5.5 V |
| Supply Current | 5.7 mA |
| Mounting Type | Surface Mount |
| Dynamic Range | 45 dB |
| Operating Temperature | –30°C to +85°C |
Key Features
- Operates over a wide frequency range of 100 MHz to 2.7 GHz
- Provides a logarithmic output voltage proportional to the input RF power
- Fast response time and wide dynamic range
- Low power consumption of 5.7 mA
- Excellent temperature stability
- Internal input coupling capacitor eliminates the need for external ac-coupling
- Two voltage outputs: V_UP and V_DN, for measurement and analog control respectively
Applications
- Cellular handsets (TDMA, CDMA, GSM)
- RSSI and TSSI for wireless terminal devices
- Transmitter power measurement and control
- Various wireless communication technologies, including cellular, GSM, TDMA, and CDMA
Q & A
- What is the frequency range of the AD8314ARM?
The AD8314ARM operates over a frequency range of 100 MHz to 2.7 GHz. - What is the input range of the AD8314ARM?
The input range is from –45 dBm to 0 dBm. - What is the supply voltage range for the AD8314ARM?
The supply voltage range is from 2.7 V to 5.5 V. - How much current does the AD8314ARM consume?
The AD8314ARM consumes 5.7 mA of supply current. - What is the operating temperature range of the AD8314ARM?
The operating temperature range is from –30°C to +85°C. - What type of output does the AD8314ARM provide?
The AD8314ARM provides a logarithmic output voltage proportional to the input RF power. - Does the AD8314ARM require external ac-coupling?
No, the AD8314ARM has an internal input coupling capacitor that eliminates the need for external ac-coupling. - What are the typical applications of the AD8314ARM?
The typical applications include cellular handsets, RSSI and TSSI for wireless terminal devices, and transmitter power measurement and control. - How many voltage outputs does the AD8314ARM have?
The AD8314ARM has two voltage outputs: V_UP and V_DN. - What is the purpose of the V_UP and V_DN outputs?
V_UP is intended for measurement mode, while V_DN is an inversion of V_UP, intended for analog control.
