Key facts
- Brand
- Analog Devices
- Model
- AD8335
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-05-03
Start here

Analog Devices AD8335 Quad Variable Gain Amplifier Datasheet
The AD8335 is a quad variable gain amplifier with a low‑noise preamplifier, designed for cost‑ and power‑sensitive applications such as medical imaging, sonar and test equipment. It offers a gain range of up to 48 dB per channel, differential signal paths and selectable high‑ and low‑gain modes.
The datasheet includes detailed specifications, absolute maximum ratings, pin configuration, typical performance curves, test circuits, and an ordering guide. It also describes the evaluation board and mechanical dimensions of the 64‑lead LFCSP package.
Analog Devices AD8335 specifications
| Voltage noise | 1.3 nV/√Hz typical |
|---|---|
| Current noise | 2.4 pA/√Hz typical |
| Supply voltage | 5 V |
| Power consumption per channel (PrA and VGA enabled) | 95 mW |
| Operating temperature range | -40°C to +85°C |
| Package | 64‑lead LFCSP (9 mm × 9 mm) |
| Maximum input voltage (single‑ended) | 625 mV p‑p |
Source: Analog Devices AD8335 Quad Variable Gain Amplifier Datasheet
All Analog Devices AD8335 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the typical voltage noise of the AD8335?
The typical voltage noise is 1.3 nV/√Hz.
From: Analog Devices AD8335 Quad Variable Gain Amplifier Datasheet
What supply voltage does the AD8335 require and how much power does each channel consume?
It operates from a 5 V supply and each channel consumes 95 mW when both the preamplifier and VGA are enabled.
From: Analog Devices AD8335 Quad Variable Gain Amplifier Datasheet
What supply voltage does the AD8335 require?
The AD8335 operates from a 5 V supply.
From: Analog Devices AD8335 Variable Gain Amplifier Datasheet
How much power does each channel consume when enabled?
Each channel consumes 95 mW of quiescent power when the preamplifier and VGA are enabled.
From: Analog Devices AD8335 Variable Gain Amplifier Datasheet
What is the input voltage range for the preamplifier section?
The preamplifier accepts single‑ended input signals up to 625 mV peak‑to‑peak.
What gain ranges are available on the AD8335?
In low‑gain mode the gain can be set from –10 dB to +38 dB, and in high‑gain mode from –2 dB to +46 dB.
