Product Summary

The MAX9668ETP+ is a kind of 10-bit programmable gamma reference system with MTP for TFT LCDs.The MAX9668ETP+ outputs eight voltage references for gamma correction in TFT LCDs and one voltage reference for VCOM. Each gamma reference voltage has its own 10-bit digital-to-analog converter (DAC) and buffer to ensure a stable voltage. The VCOM reference voltage has its own 10-bit DAC and an amplifier to ensure a stable voltage when critical levels and patterns are displayed. The MAX9668ETP+ features integrated multiple-time programmable (MTP) memory to store gamma and VCOM values on the chip, eliminating the need for external EEPROM. The MAX9668ETP+ supports up to 100 write operations to the on-chip nonvolatile memory.The gamma outputs can drive 200mA peak transient current and settle within 1μs. The VCOM output of the MAX9668ETP+ can provide 600mA peak transient current and also settles within 1μs. The analog supply voltage range extends from 9V to 20V, and the digital supply voltage range extends from 2.7V to 3.6V.

Parametrics

MAX9668ETP+ specifications: (1)Total Channels: 8; (2)Programmable Channels: 8; (3)Resolution (bits): 10; (4)Integrated Nonvolatile Memory: Yes; (5)Memory Banks: 1; (6)VCOM Calibrator: Yes; (7)VCOM Buffer: Yes; (8)Interface: I2C; (9)VSUPPLY (V): 9 to 20; (10)IQ (mA): 21; (11)Oper. Temp. (℃): -40 to +125.

Features

MAX9668ETP+ features: (1)8-Channel Gamma Correction 10-Bit Resolution; (2)VCOM Driver; (3)Integrated MTP Memory; (4)Programmable VCOM Limits; (5)1μs Settling Time; (6)20V Maximum Analog Supply Voltage; (7)200mA Peak Current on Gamma Channels; (8)600mA Peak Current on VCOM Channel.

Diagrams

MAX9668ETP+ functional diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
MAX9668ETP+
MAX9668ETP+

Maxim Integrated Products

LCD Gamma Buffers 10-Bit Prog Gamma Reference System

Data Sheet

0-1: $2.28
1-25: $1.52
25-50: $1.37
50-100: $1.10
MAX9668ETP+T
MAX9668ETP+T

Maxim Integrated Products

LCD Gamma Buffers 10-Bit Prog Gamma Reference System

Data Sheet

0-2090: $0.97
2090-2500: $0.97