Overview
The AD8313ARM-REEL7, produced by Analog Devices Inc., is a complete multistage demodulating logarithmic amplifier designed for converting RF signals into equivalent decibel-scaled values. This device operates over a wide frequency range of 0.1 GHz to 2.5 GHz, making it highly versatile for various RF measurement and control applications. It requires a single supply voltage of 2.7 V to 5.5 V and features a low power consumption of 41 mW at 3 V. The AD8313ARM-REEL7 is packaged in an 8-lead MSOP and is RoHS3 compliant.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Frequency Range | 0.1 GHz | 2.5 GHz | ||
| Supply Voltage | 2.7 V | 5.5 V | ||
| Supply Current | 13.7 mA | |||
| Input Range | -65 dBm | 0 dBm | ||
| Accuracy | ±1 dB | |||
| Dynamic Range | 70 dB | |||
| Response Time (Small Signal) | 40 ns | |||
| Operating Temperature | -40°C | +85°C | ||
| Package | 8-lead MSOP |
Key Features
- Wide bandwidth: 0.1 GHz to 2.5 GHz
- High dynamic range: 70 dB
- High accuracy: ±1.0 dB over 65 dB range
- Fast response time: 40 ns typical for small signal
- Controller mode with error output
- Scaling stable over supply and temperature
- Low power consumption: 41 mW at 3 V
- Power-down feature: 60 mW at 3 V, sleep mode current of 20 µA
- Compact 8-lead MSOP package
Applications
- RF transmitter power amplifier setpoint control and level monitoring
- Logarithmic amplifier for RSSI measurement in cellular base stations, radio links, and radar systems
- WiFi, WiMax, and Wireless LAN applications
- RADAR systems
Q & A
- What is the frequency range of the AD8313ARM-REEL7? The frequency range is from 0.1 GHz to 2.5 GHz.
- What is the supply voltage range for this device? The supply voltage range is from 2.7 V to 5.5 V.
- What is the typical supply current at 3 V? The typical supply current is 13.7 mA.
- What is the input range of the AD8313ARM-REEL7? The input range is from -65 dBm to 0 dBm.
- What is the accuracy of the device? The accuracy is ±1 dB.
- Does the AD8313ARM-REEL7 have a power-down feature? Yes, it has a power-down feature that reduces the current to 20 µA in sleep mode.
- What is the operating temperature range of the device? The operating temperature range is from -40°C to +85°C.
- In what package is the AD8313ARM-REEL7 available? It is available in an 8-lead MSOP package.
- Is the AD8313ARM-REEL7 RoHS compliant? Yes, it is RoHS3 compliant.
- What are some common applications of the AD8313ARM-REEL7? Common applications include RF transmitter power amplifier control, RSSI measurement in cellular base stations, and various wireless communication systems.
