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LM98725CCMT
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LM98725CCMT

  • Category:Sensor, sensor conditioning, 4-20mA transmitter
  • Product Name:Three-channel, 16-bit, 81 MSPS LVDS/CMOS output analog front end and integrated CCD/CIS sensor
  • Manufacturers:NSC
  • Production Batch Number:09+
  • Encapsulation:56-TSSOP
  • Stock Status:There is stock
  • Stock Quantity:2000
  • Minimum order quantity: 1
  • Details:Click here to find pdf information for LM98725CCMT
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  • Product introduction

peculiarity

  • LVDS/CMOS output
  • LVDS/CMOS/CRYSTAL PLL clock source
  • Comprehensive and flexible spread spectrum clock generator
  • CDS or S/H processing CCD or CIS sensors
  • Independent gain/offset correction for each channel
  • Automatic gain and offset calibration per channel
  • Programmable input clamping voltage
  • Flexible CCD/CIS sensor timing generator

illustrate

The LM98725 is a fully integrated, high-performance 16-bit, 81 MSPS signal processing solution for digital color copiers, scanners and other image processing applications. High-speed signal throughput is achieved using an innovative architecture typically employed with CCD arrays, or sample-and-hold (S/H) inputs (for higher speed CCD or CMOS image sensors). The signal path uses an 8-bit programmable gain amplifier (PGA), A+/- 9-bit offset correction DAC, and independent control of each input digital black level correction loop. The PGA and offset DACs are uniquely valued in independently programming the gain and allow each of the three analog inputs to be offset. The signal is then transmitted to an 81MHz high-performance analog-to-digital converter (ADC). The fully differential processing channel, which shows excellent noise immunity, has a very low noise floor, 74 dB. The 16-bit ADC has excellent dynamic performance and is transparent in the image reproduction chain LM98725.

Includes a very flexible integrated spread spectrum clock generator (SSCG) modulator to help with compliance and reduce system costs in emerging markets.

Main specifications

Maximum input level

1.2 or 2.4 volt mode

 

(+or - polarity option)

ADC resolution

16 bits

The sampling rate of the ADC

81 MSPS

Integral Nonlinearity (INL)

17 / - 28 LSB (typical)

Channel sample rate

30/30/27 MSPS,

PGA gain step

Class 256

PGA gain range

0.62 8.3x

Analog DAC resolution

+/-9 bits

Analog DAC range

+/- 307mV or +/- 614mV

Digital DAC resolution

+/-6 bits

Digital DAC range

LSB + LSB for 2048 in 2016

Signal-to-noise ratio

74 dB (@0分贝PGA增益)

Power dissipation

755mW(LVDS)

Operating temperature

0 to 70°C

Supply voltage

3.3V Nominal (3.0V to 3.6V)


apply

  • Multifunctional peripherals
  • High-speed currency/check scanner
  • Flatbed scanner or handheld color scanner
  • High-speed document scanner

andLM98725CCMTRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
LM98725CCMTX NSC 11+ TSSOP56 Three-channel, 16-bit, 81 MSPS LVDS/CMOS output analog front end and integrated CCD/CIS sensor
LM98725CCMT NSC 09+ 56-TSSOP Three-channel, 16-bit, 81 MSPS LVDS/CMOS output analog front end and integrated CCD/CIS sensor

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