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AD9814

Features: 14-Bit 10 MSPS A/D ConverterNo Missing Codes Guaranteed3-Channel Operation Up to 10 MSPS1-Channel Operation Up to 7 MSPSCorrelated Double Sampling1-6x Programmable Gain6300 mV Programmable OffsetInput Clamp CircuitryInternal Voltage ReferenceMultiplexed Byte-Wide Output (8+6 Format)3-Wir...

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SeekIC No. : 004273470 Detail

AD9814: Features: 14-Bit 10 MSPS A/D ConverterNo Missing Codes Guaranteed3-Channel Operation Up to 10 MSPS1-Channel Operation Up to 7 MSPSCorrelated Double Sampling1-6x Programmable Gain6300 mV Programmable...

AD9814 Data Sheet

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Part Number:
AD9814
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

14-Bit 10 MSPS A/D Converter
No Missing Codes Guaranteed
3-Channel Operation Up to 10 MSPS
1-Channel Operation Up to 7 MSPS
Correlated Double Sampling
1-6x Programmable Gain
6300 mV Programmable Offset
Input Clamp Circuitry
Internal Voltage Reference
Multiplexed Byte-Wide Output (8+6 Format)
3-Wire Serial Digital Interface
+3/+5 V Digital I/O Compatibility
28-Lead SOIC Package
Low Power CMOS: 330 mW (Typ)
Power-Down Mode: <1 mW


Application

Flatbed Document Scanners
Film Scanners
Digital Color Copiers
Multifunction Peripherals


Pinout

Connection Diagram


Specifications

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
0.3
0.5
0.5
0.3
0.3

65

AVDD + 0.3
AVDD + 0.3
+6.5
+6.5
+0.3
DRVDD + 0.3
+150
+150

+300

 V
V
V
V
V
V
C
C
C



Description

The AD9814 is a complete analog signal processor for CCD imaging applications. It features a 3-channel architecture de-signed to sample and condition the outputs of trilinear color CCD arrays. Each channel consists of an input clamp, Corre-lated Double Sampler (CDS), offset DAC and Programmable Gain Amplifier (PGA), multiplexed to a high performance 14- bit A/D converter.

The CDS amplifiers may be disabled for use with sensors such as Contact Image Sensors (CIS) and CMOS active pixel sen-sors, which do not require CDS.

The 14-bit digital output is multiplexed into an 8-bit output word that is accessed using two read cycles. The internal regis-ters are programmed through a 3-wire serial interface, and pro-
vide adjustment of the gain, offset, and operating mode.

The AD9814 operates from a single +5 V power supply, typi-cally consumes 330 mW of power, and is packaged in a 28-lead SOIC.




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