Key facts
- Brand
- Analog Devices
- Model
- AD8332
- Industry
- Industrial
- Documents
- 5
- Languages
- EN
- Last added
- 2012-06-06
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Analog Devices AD8331/AD8332 Ultralow Noise VGAs Datasheet
The AD8331/AD8332 are linear-in-dB, variable gain amplifiers optimized for ultrasound systems but usable up to 120 MHz. Each channel includes an ultralow noise preamplifier (LNA), a VGA with a 48 dB gain range, and a selectable postamplifier with adjustable output limiting.
These devices feature active input impedance matching suitable for high-speed differential ADCs. They operate on a single 5 V supply with a quiescent power consumption of 125 mW per channel and are available in various packages including QSOP, TSSOP, and LFCSP.
Analog Devices AD8332 specifications
| Voltage noise (LNA) | 0.74 nV/VHz |
|---|---|
| Current noise | 2.5 pA/VHz |
| 3 dB bandwidth (LNA) | 130 MHz |
| Gain range (LO) | -4.5 dB to +43.5 dB |
| Supply voltage | 4.5 V to 5.5 V |
| Operating temperature | -40°C to +85°C |
Source: Analog Devices AD8331/AD8332 Ultralow Noise VGAs Datasheet
All Analog Devices AD8332 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
- Analog Devices AD8331/AD8332 Ultralow Noise VGAs Datasheet 32 p
- Analog Devices AD8331/AD8332/AD8334 Product Handbook 56 p
- Analog Devices AD8331/AD8332 Ultralow Noise VGA with Preamplifier Datasheet 32 p
- Analog Devices AD8331/AD8332/AD8334 Datasheet 40 p
- Analog Devices AD8332 Variable Gain Amplifier Handbook 60 p
Questions answered in these manuals
What is the quiescent power consumption per channel?
The quiescent power consumption is 125 mW per channel.
From: Analog Devices AD8331/AD8332 Ultralow Noise VGAs Datasheet
What are the available packages for these devices?
The AD8331 is available in a 20-lead QSOP package, and the AD8332 in 28-lead TSSOP and 32-lead LFCSP packages.
From: Analog Devices AD8331/AD8332 Ultralow Noise VGAs Datasheet
What is the operating temperature range of the AD8331/AD8332/AD8334 devices?
The devices operate from –40 °C to +85 °C.
Which package is used for the AD8334 part?
AD8334 is available in a 64‑lead Lead Frame Chip Scale Package (LFCSP).
What supply voltage do the AD8331 and AD8332 require?
Both devices operate from a single 5 V supply.
From: Analog Devices AD8331/AD8332 Ultralow Noise VGA with Preamplifier Datasheet
What is the operating temperature range of these amplifiers?
They are rated for –40 °C to +85 °C.
From: Analog Devices AD8331/AD8332 Ultralow Noise VGA with Preamplifier Datasheet