Overview
The AD8336ACPZ-R7, produced by Analog Devices Inc., is a low noise, single-ended, linear in dB, general-purpose variable gain amplifier. It is designed to operate over a wide range of supply voltages, from ±3 V to ±12 V, and is suitable for a variety of applications requiring high performance and wide bandwidth.
This amplifier features an uncommitted preamplifier with a gain range of 6 dB to 26 dB and a VGA gain range of 0 dB to 60 dB, with absolute gain limits of −26 dB to +34 dB. The AD8336 is known for its low noise characteristics, including a voltage noise of 3 nV/√Hz and a current noise of 3 pA/√Hz, making it ideal for sensitive signal processing.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | ±3 V | ±12 V | V | |
| Temperature Range | −55°C | +125°C | °C | |
| Voltage Noise | 3 | nV/√Hz | ||
| Current Noise | 3 | pA/√Hz | ||
| Small-Signal Bandwidth | 115 | MHz | ||
| Large-Signal Bandwidth (2 V p-p) | 80 | MHz | ||
| Slew Rate (2 V p-p) | 550 | V/µs | ||
| Gain Range | −26 dB | +34 dB | dB | |
| Gain Scaling | 50 | dB/V | ||
| Quiescent Current (±3 V) | 22 | 25 | 30 | mA |
| Power Dissipation (±3 V) | 150 | mW |
Key Features
- Low Noise: Voltage noise of 3 nV/√Hz and current noise of 3 pA/√Hz.
- Wide Bandwidth: Small-signal bandwidth of 115 MHz and large-signal bandwidth of 80 MHz for 2 V p-p signals.
- High Slew Rate: Slew rate of 550 V/µs for 2 V p-p signals.
- DC-Coupled: Single-ended input and output with DC coupling.
- Flexible Gain Range: VGA gain range from 0 dB to 60 dB, with absolute gain limits of −26 dB to +34 dB.
- Gain Scaling: Linear in dB gain scaling of 50 dB/V.
- Temperature Range: Operates from −55°C to +125°C.
- Low Power Mode: Quiescent power can be limited by asserting the PWRA pin.
- Package Options: Available in 16-Lead LFCSP packages.
Applications
- Industrial Process Controls: Suitable for high-precision control systems.
- High Performance AGC Systems: Ideal for automatic gain control in various communication systems.
- I/Q Signal Processing: Used in in-phase and quadrature signal processing applications.
- Video Circuits: Applicable in video signal processing and transmission systems.
- Industrial and Medical Ultrasound: Used in ultrasound imaging and diagnostic equipment.
- Radar Receivers: Suitable for radar signal processing and detection systems.
Q & A
- What is the operating temperature range of the AD8336?
The AD8336 operates from −55°C to +125°C.
- What are the supply voltage ranges for the AD8336?
The AD8336 can operate with supply voltages ranging from ±3 V to ±12 V.
- What is the small-signal bandwidth of the AD8336?
The small-signal bandwidth of the AD8336 is 115 MHz.
- What is the large-signal bandwidth of the AD8336 for 2 V p-p signals?
The large-signal bandwidth for 2 V p-p signals is 80 MHz.
- What is the slew rate of the AD8336 for 2 V p-p signals?
The slew rate is 550 V/µs for 2 V p-p signals.
- What is the gain range of the AD8336?
The VGA gain range is from 0 dB to 60 dB, with absolute gain limits of −26 dB to +34 dB.
- How does the gain scaling work on the AD8336?
The gain scaling is linear in dB with a slope of 50 dB/V.
- Can the AD8336 be used in low power mode?
Yes, the quiescent power can be limited by asserting the PWRA pin.
- What package options are available for the AD8336?
The AD8336 is available in 16-Lead LFCSP packages.
- What are some common applications of the AD8336?
The AD8336 is used in industrial process controls, high performance AGC systems, I/Q signal processing, video circuits, industrial and medical ultrasound, and radar receivers.
