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AD9826的产品特征：
●16-Bit 15 MSPS A/D Converter
●3-Channel 16-Bit Operation up to 15 MSPS
●1-Channel 16-Bit Operation up to 12.5 MSPS
●2-Channel Mode for Mono Sensors with Odd/Even Outputs
●Correlated Double Sampling
●1~6 Programmable Gain300 mV Programmable Offset
●Input Clamp Circuitry
●Internal Voltage Reference
●Multiplexed Byte-Wide Output
●Optional Single Byte Output Mode
●3-Wire Serial Digital Interface
●3 V/5 V Digital I/O Compatibility
●28-Lead SSOP Package
●Low Power CMOS: 400 mW (Typ)
●Power-Down Mode Available
AD9826的技术参数：
| Parametert | With RespectTo | Min | Max | Uni |
| VIN, CAPT, CAPB Digital Inputs AVDD DRVDD AVSS Digital Outputs Junction Temperature Storage Temperature Lead Temperature (10 sec) |
AVSS AVSS AVSS DRVSS DRVSS DRVSS |
–0.3 –65 |
AVDD + 0.3 |
V |
The AD9826 is a complete analog signal processor for imaging applications. It features a 3-channel architecture designed to sample and condition the outputs of trilinear color CCD arrays.
Each channel consists of an input clamp, Correlated Double Sampler (CDS), offset DAC, and Programmable Gain Amplifier (PGA), multiplexed to a high-performance 16-bit A/D converter.
The AD9826 can operate at speeds greater than 15 MSPS with reduced performance. The CDS amplifiers may be disabled for use with sensors that do not require CDS, such as Contact Image Sensors (CIS), CMOS active pixel sensors, and Focal Plane Arrays.
The 16-bit digital output is multiplexed into an 8-bit output word, which is accessed using two read cycles. There is an optional single byte output mode. The internal registers are programmed through a 3-wire serial interface, and provide adjustment of the gain, offset, and operating mode.
The AD9826 operates from a single 5 V power supply, typically consumes 400 mW of power, and is packaged in a 28-lead SSOP.