Overview
The AD8317ACPZ-R7, produced by Analog Devices Inc., is a demodulating logarithmic amplifier designed to accurately convert RF input signals to corresponding decibel-scaled outputs. This device is part of the AD8317 series and is packaged in an 8-lead LFCSP (Lead Frame Chip Scale Package) with a small footprint of 2 mm × 3 mm. It operates over a wide frequency range from 1 MHz to 10 GHz, making it suitable for various RF and microwave applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Amplifiers | 1 | |
| Dynamic Range | 55 dB (up to 8 GHz) | |
| Scale Factor | -22 mV/dB | |
| Response Time | 6 ns/10 ns (fall/rise) | |
| Supply Voltage | 3.0 V to 5.5 V | |
| Current Consumption | Typically 22 mA, 200 μA in disable mode | |
| Operating Temperature | -40°C to +85°C | |
| Package Type | 8-Lead LFCSP_VD | |
| Input Impedance | 110 || 0.05 Ω || pF |
Key Features
- Wide bandwidth: 1 MHz to 10 GHz
- High accuracy: ±1.0 dB over temperature
- Low noise measurement/controller output
- Small footprint: 2 mm × 3 mm LFCSP package
- Supply operation: 3.0 V to 5.5 V
- Fast response time: 6 ns/10 ns (fall/rise)
- Stability over temperature: ±0.5 dB
- Configurable for measurement or controller modes
Applications
- RF transmitter PA setpoint control and level monitoring
- Power monitoring in radio link transmitters
- RSSI measurement in base stations, WLANs, WiMAX, and radars
Q & A
- What is the frequency range of the AD8317ACPZ-R7?
The AD8317ACPZ-R7 operates over a frequency range from 1 MHz to 10 GHz. - What is the dynamic range of the AD8317ACPZ-R7?
The dynamic range is typically 55 dB up to 8 GHz. - What is the scale factor of the AD8317ACPZ-R7?
The scale factor is -22 mV/dB. - What is the response time of the AD8317ACPZ-R7?
The response time is 6 ns/10 ns (fall/rise). - What is the supply voltage range for the AD8317ACPZ-R7?
The supply voltage range is 3.0 V to 5.5 V. - What is the current consumption of the AD8317ACPZ-R7?
The current consumption is typically 22 mA, and it decreases to 200 μA when the device is disabled. - What are the operating temperature ranges for the AD8317ACPZ-R7?
The operating temperature range is -40°C to +85°C. - In what package is the AD8317ACPZ-R7 available?
The AD8317ACPZ-R7 is available in an 8-Lead LFCSP_VD package. - What are some common applications of the AD8317ACPZ-R7?
Common applications include RF transmitter PA setpoint control, power monitoring in radio link transmitters, and RSSI measurement in base stations, WLANs, WiMAX, and radars. - Can the AD8317ACPZ-R7 be used in both measurement and controller modes?
Yes, the AD8317ACPZ-R7 can be configured for both measurement and controller applications.
