MAX9667ETP+

Video Processing Overview

The MAX9667ETP+ is a 10-channel, 10-bit nonvolatile programmable gamma and VCOM reference voltage generator. It integrates ten 10-bit DACs with buffers for gamma correction and one operational amplifier for VCOM adjustment. The device operates with an analog supply range of 14V to 24V and a digital supply of 2.7V to 3.6V. It features integrated multiple-time programmable (MTP) memory supporting up to 300 write operations, eliminating the need for external EEPROM. The unit provides high peak transient current on the VCOM channel and utilizes I2C and single-wire interfaces for control.

Video Processing Feature Summary

• Integrates ten 10-bit DAC channels for gamma correction and one operational amplifier for VCOM adjustment within a single package.
• Includes internal multiple-time programmable (MTP) memory to store calibration codes, removing the requirement for external nonvolatile storage components.
• Supports dual programming methods via an I2C interface for comprehensive register control and a single-wire interface for legacy flicker adjustment compatibility.

Video Processing Applications

• TFT LCD panel driver circuits
• Gamma correction buffer systems
• VCOM voltage generation and adjustment

Video Processing Procurement Notes

Verify the specific ordering suffix to confirm package type and temperature range. Ensure the analog supply voltage requirements align with the target TFT-LCD application specifications. Confirm that the I2C address configuration matches the system bus architecture. Check for lead-free compliance status if required by environmental regulations.

Video Processing Selection Notes

Select this component when a high channel count for gamma correction is required alongside integrated VCOM buffering. The MAX9667 offers ten gamma outputs compared to fewer in other family members. Consider the thermal performance in the TQFN-EP package for high-density PCB layouts. Evaluate the MTP endurance limits against production line calibration frequencies.

Video Processing Part Context

This part belongs to the MAX9665/MAX9666/MAX9667 family of multi-channel programmable reference voltages designed for TFT LCD applications. While the MAX9665 provides six channels and the MAX9666 provides eight, the MAX9667 specifically delivers ten gamma channels. All variants share similar control interfaces and memory architectures but differ in output channel density.

Video Processing Replacement Considerations

Direct functional substitutes within the same family include the MAX9665ETP+ and MAX9666ETP+. These parts offer identical control logic and pinouts but provide fewer gamma output channels. Verify that the reduced channel count meets the specific display driver requirements before substitution.