MAX4885 Datasheet PDF | Maxim Integrated

Maxim Integrated MAX4885

The MAX4885 integrates high-bandwidth analog switches and level-translating buffers to implement a complete 1:2 or 2:1 multiplexer for VGA signals. The device provides switching for RGB, display data channel (DDC), and horizontal and vertical synchronization (HSYNC, VSYNC) signals. The MAX4885 features a 5µA shutdown mode and is ESD protected to ±8kV Human Body Model (HBM) on externally routed pins.

Part No.	MAX4885
Datasheet	MAX4885 Download
Manufacturer	Maxim Integrated
Description	Complete VGA 1:2 or 2:1 Multiplexer
Buy	Stock & Price

GENERAL DESCRIPTION

A low-noise charge pump with internal capacitors provides a boosted gate-drive voltage to improve performance of the RGB switches. In the 1:2 multiplexer mode, HSYNC/VSYNC inputs feature level-shifting buffers to support low-voltage CMOS or standard TTL-compatible graphics controllers. In the 2:1 multiplexer mode, the output buffers for the HSYNC/VSYNC inputs are disabled, allowing bidirectional signaling. In both modes, DDC signals are voltage-clamped to an external voltage to provide level translation and protection. The MAX4885 is specified over the extended (-40°C to +85°C) temperature range, and is available in the 32pin, 5mm x 5mm TQFN package.

FEATURES

♦ +5V Single-Supply Operation ♦ Programmable Voltage Clamp for Open-Drain DDC Signals ♦ Low 5Ω (typ) On-Resistance (R, G, B Signals) ♦ Low 13pF (typ) On-Capacitance (R, G, B Signals) ♦ Break-Before-Make Switching Protects Against Circuit Shorts ♦ ±8kV HBM ESD Protection on Externally Routed Pins ♦ Low 300µA Sup...