MAS8444AN - ETC

MAS8444AN OCTAL 6-BIT TRIMMER IC

The MAS8444a comprises eight digital to analog converters (DACs) each controlled by a two-wire I2C bus. The DACs are individually programmed using an 6-bit word to select an output from one of 64 voltage steps. The maximum output voltage of all DACs is set by Vmax. At power-on all outputs are set to their lowest value. The I2C-bus slave receiver has 3 progra.

Features

• Rail to rail output stages
• Octal 6-bit DACs on a single monolithic chip
• Power   supply¡ range from +5V to +12V
• -25 C to +85 C temperature range
• 16-pin PDIL and SO package
• pin to pin compatibility with TDA8444 APPLICATION
• Trimmer replacement
• Automatic gain control
• High resolution monitors BLOCK DIAGRAM SDA 3 SCL 4 A0 5 A1 6 A2 7 I C Bus Slave Receiver 2 6-BIT DAC DAC7 6-BIT DAC DAC6 DAC5 6-BIT DAC 6-BIT DAC 6-BIT DAC 6-BIT DAC DAC4 DAC3 DAC2 DAC1 Vmax 2 Reference Voltage Generator 6-BIT DAC 6-BIT DAC DAC0 1 8 VDD GND 1 DA8444A.005 May 31, 1996 PIN CONFIGURAT.