Overview
The AD8350AR15 from Analog Devices Inc. is a high-performance, fully-differential amplifier designed for use in RF and IF circuits up to 1.0 GHz. This amplifier is part of the AD8350 series, which is renowned for its excellent noise figure and high dynamic range. It is particularly suited for demanding applications in communications transceivers, offering exceptional linearity and common-mode rejection. The device can operate with a single supply voltage ranging from 5 V to 10 V and is available in 8-lead SOIC and microSOIC packages.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| -3 dB Bandwidth | VS = 5 V, VOUT = 1 V p-p | 0.9 GHz | |||
| VS = 10 V, VOUT = 1 V p-p | 1.1 GHz | ||||
| Bandwidth for 0.1 dB Flatness | VS = 5 V, VOUT = 1 V p-p | 90 MHz | |||
| VS = 10 V, VOUT = 1 V p-p | 90 MHz | ||||
| Slew Rate | VOUT = 1 V p-p | 2000 V/μs | |||
| Settling Time | 0.1%, VOUT = 1 V p-p | 10 ns | |||
| Gain (S21) | VS = 5 V, f = 50 MHz | 14 dB | 15 dB | 16 dB | |
| Gain | AD8350-15 | 15 dB | |||
| Noise Figure | f = 150 MHz | 6.8 dB | |||
| Supply Voltage | 4 V | 11.0 V | |||
| Quiescent Current | Powered Up, VS = 5 V | 25 mA | 28 mA | 32 mA | |
| Powered Down, VS = 5 V | 3 mA | 5.5 mA | |||
| Input Resistance | Real | 200 Ω | |||
| Output Resistance | Real | 200 Ω |
Key Features
- High dynamic range output with an IP3 of +28 dBm at 250 MHz.
- Low noise figure of 5.9 dB at 250 MHz.
- Two gain versions available: AD8350-15 (15 dB) and AD8350-20 (20 dB).
- Single supply operation from 5 V to 10 V.
- High slew rate of 2000 V/μs and fast settling time of 10 ns.
- Single-ended or differential input drive capability.
- High common-mode rejection ratio (CMRR) of -67 dB at 50 MHz.
- Available in 8-lead SOIC and microSOIC packages.
Applications
- Cellular base stations.
- Communications receivers.
- RF/IF gain block.
- Differential A-to-D driver.
- SAW filter interface.
- Single-ended-to-differential conversion.
- High-performance video applications.
- High-speed data transmission.
Q & A
- Q: What is the maximum frequency range of the AD8350AR15?
A: The AD8350AR15 can operate up to 1.0 GHz. - Q: What are the available gain versions for the AD8350 series?
A: The AD8350 series offers two gain versions: AD8350-15 (15 dB) and AD8350-20 (20 dB). - Q: What is the typical supply current of the AD8350AR15?
A: The typical supply current is 28 mA when powered up at 5 V. - Q: What is the noise figure of the AD8350AR15 at 250 MHz?
A: The noise figure is 5.9 dB at 250 MHz. - Q: Can the AD8350AR15 be used as a single-ended-to-differential converter?
A: Yes, the AD8350AR15 can be used as a single-ended-to-differential converter. - Q: What is the slew rate of the AD8350AR15?
A: The slew rate is 2000 V/μs. - Q: What are the package options for the AD8350AR15?
A: The AD8350AR15 is available in 8-lead SOIC and microSOIC packages. - Q: What is the common-mode rejection ratio (CMRR) of the AD8350AR15?
A: The CMRR is -67 dB at 50 MHz. - Q: What are some typical applications of the AD8350AR15?
A: Typical applications include cellular base stations, communications receivers, RF/IF gain block, differential A-to-D driver, and high-performance video applications. - Q: What is the power-up/down switching time of the AD8350AR15?
A: The power-up/down switching time is 15 ns.
