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ADD8708

Features: 18 precision gamma reference outputs Mask-programmable gamma resistors: 0.2% resolution and 0.1% accuracy Mask-programmable voltage regulator: 0.4% accuracy Upper 9 buffers swing to VDD Lower 9 buffers swing to GND Single-supply operation: 7.5 V to 16.5 V Gamma current drive: 15 mA per ...

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SeekIC No. : 004274359 Detail

ADD8708: Features: 18 precision gamma reference outputs Mask-programmable gamma resistors: 0.2% resolution and 0.1% accuracy Mask-programmable voltage regulator: 0.4% accuracy Upper 9 buffers swing to VDD L...

ADD8708 Data Sheet

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Part Number:
ADD8708
Supply Ability:
5000

Price Break

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

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Upload time: 2025/12/14

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Product Details

Description



Features:

18 precision gamma reference outputs
Mask-programmable gamma resistors: 0.2% resolution and 0.1% accuracy
Mask-programmable voltage regulator: 0.4% accuracy
Upper 9 buffers swing to VDD
Lower 9 buffers swing to GND
Single-supply operation: 7.5 V to 16.5 V
Gamma current drive: 15 mA per channel
Peak output current: 150 mA
Output voltage stable under load conditions
Pin-to-pin compatible with ADD8709
48-lead, Pb-free LQFP and LFCSP




Application

LCD TV panels
LCD monitor panels




Pinout

Connection Diagram

ADD8708 Diagram




Specifications

Parameter Rating
Supply Voltage (VDD)
Input Voltage
Storage Temperature Range
Operating Temperature Range1
Junction Temperature Range
Lead Temperature Range (Soldering, 60 sec)
ESD Tolerance (HBM)
ESD Tolerance (MM)		 18 V
−0.5 V to VDD
−65°C to +150°C
−40°C to +105°C
65°C to +150°C
300°C
±1500 V
±200 V


-3dB Bandwidth 4.5MHz
Slew Rate 6V/s
Vos 5mV
Ib 500nA
Input Noise (nV/rtHz) n/a
Vcc-Vee Supply (V) 7 to 16
Iq per Amplifier 0.9mA
# OpAmps per Pkg 18
Operating Temp Range -40 to +105
Packages CSP,QFP





Description

The ADD8708 is an 18-channel integrated gamma reference for use in high resolution LCD TV and monitors panels. The out-put buffers feature high current drive and low offset voltage to provide an accurate and stable gamma curve. The top nine channels swing to VDD; the lower nine channels swing to GND.

Integrating the gamma setup resistors drastically reduces the external component count while increasing the gamma curve accuracy. To accommodate multiple column drivers and panel architectures, the ADD8708 is mask programmable to a 0.2% resolution using the on-chip 500 resistor string. An on-board voltage regulator provides a fixed input for the resistor string, isolating the gamma curve from the supply ripple.

The ADD8708 is specified over the temperature range of 40°C to +105°C and comes in both a 48-lead, Pb-free, lead-frame chip-scale package and a Pb-free, low-profile, quad flat package.






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