Key facts
- Brand
- Analog Devices
- Model
- AD9945
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-09
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Analog Devices AD9945 12‑Bit 40 MHz CCD Signal Processor Datasheet
The AD9945 is a complete analog signal processor for CCD applications. It integrates a correlated double sampler, a digitally controlled variable‑gain amplifier, a black‑level clamp circuit and a 12‑bit A/D converter, all powered from a single 3 V supply.
The device is supplied in a 32‑lead LFCSP package, operates from 2.85 V to 3.6 V, and consumes about 160 mW in normal operation. It provides a 3‑wire serial digital interface for programming registers and supports up to 40 MHz sampling rates.
Analog Devices AD9945 specifications
| Maximum Clock Rate | 40 MHz |
|---|---|
| Power Consumption (Normal Operation) | 160 mW |
| Operating Temperature Range | -20 °C to +85 °C |
| Supply Voltage (Analog, Digital, Driver) | 2.85 V to 3.6 V |
| Resolution | 12 bits |
| VGA Gain Control Resolution | 1024 steps |
Source: Analog Devices AD9945 12‑Bit 40 MHz CCD Signal Processor Datasheet
All Analog Devices AD9945 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the power supply voltage range for the AD9945?
The AD9945 operates from 2.85 V to 3.6 V.
From: Analog Devices AD9945 12‑Bit 40 MHz CCD Signal Processor Datasheet
How many steps does the VGA gain control provide?
The VGA gain control has a resolution of 1024 steps.
From: Analog Devices AD9945 12‑Bit 40 MHz CCD Signal Processor Datasheet