XRD9836 16-Bit Pixel Gain Analog Front End

The XRD9836 is a 3-channel, 12-bit linear (A/D) processor for Contact Image Sensor (CIS) and Charged Coupled Device (CCD) systems. It combines the analog front end (AFE) with the analog-to-digital functions on a single chip. It offers a low-cost, highly integrated solution for (CIS) scanners and copiers that have resolutions up to 600 DPI. The XRD9836 also offers a Charge Coupled Device (CCD) mode. It is suitable for 3-channel CCD applications in pixel-by-pixel mode. An internal clamp sets the proper black level for CCD outputs. Applications include sheet-fed and flat-bed scanners, multifunction products (combining copier, fax and scanner functions), digital copiers, bar code readers, and fingerprint scanners. The XRD9836 has a mux, S&H, CDS, and 12-bit A/D. In addition to 12-bit resolution and speeds up to 6 MSPS, the XRD9836 offers 3V and 5V operation. It is the lowest cost solution available today.

技术特性
  • 16-bit resolution ADC, 30MHz Sampling Rate
  • 10-bit accurate linear programmable gain range selectable as either 2-to-20 V/V or 1-to-10 V/V per channel
  • Fully-differential input pins and internal path
  • Sampling rates from 1.0 MSPS to 10.0 MSPS per channel for 3 -Channel mode and up to 15.0 MSPS in single channel mode
  • Pixel-by-Pixel Offset and Gain control through a parallel interface running at a maximum 60 Mbyte/sec. data rate
  • A microprocessor serial port to control various modes of operation
  • Fixed Gain/Offset Mode (FGOM) or Pixel by Pixel Gain/Offset Mode (PPGOM)
  • Alternate Pixel Offset Adjust Mode (APOAM
  • Low Power CMOS=280mW (typ. @ 3V); Power-Down Mode=1mW (typ. @ 3V with static clocks)
  • Single Power Supply (3.0 to 3.6 Volts) with Max CCD input signal of 1V and reset pulse up to 0.5V
  • High ESD Protection: 2000 Volts Minimum
  • Pb-Free, RoHS Compliant Versions Offered
应用领域 APPLICATION
  • Scanners, MFP’s
技术指标
频道数量 3
CDS(CCD Input) Yes
S&H/T&H(CIS Input) Yes
PGA解析度 10-Bit
抵消范围 10-Bit
A/D解析度 16-Bit
A/D速度 15-MSPS
电压供应 3.3V
电力(Typ) 300mW
封装 TSSOP-48
订购信息 Ordering Information
器件型号 有害物质限制 最低温度 最高温度 状态 立刻购买 申请样片
XRD9836ACG-F 0 70 Active
XRD9836ACGTR-F 0 70 Active
功能框图 Functional Block Diagram

XRD9836 功能框图

应用技术支持与电子电路设计开发资源下载 版本信息 大小
XRD9836 数据资料DataSheet下载:pdf Rev.V2 2 页