The MAX11300GTL+ is a PIXI, 20port programmable mixed-signal I/O with 12bit ADC, 12bit DAC, analogue switches and GPIO in 40 pin TQFN package. It offers 20 mixed-signal high voltage, bipolar ports, which are configurable as an ADC analogue input, a DAC analogue output, a general-purpose input, a general-purpose output or an analogue switch terminal. One internal and two external temperature sensors track junction & environmental temperature. Adjacent pairs of ports are configurable as a logic-level translator for open-drain devices or an analogue switch. PIXI ports provide highly flexible hardware configuration for 12bit mixed-signal applications. Each port is individually configurable with up to 4 selectable voltage ranges within -10V to +10V. It allows for the averaging of 2, 4, 8, 16, 32, 64 or 128 ADC samples from each ADC-configured port to improve noise performance. A DAC-configured output port can drive up to 25mA. The GPIO ports can be programmed to user-defined logic level
- Supply voltage range is 4.75V to 5.25V
- Operating temperature range from -40°C to 105°C
- Single-ended, differential, or pseudo-differential
- Programmable sample averaging per ADC port
- Unique voltage reference for each ADC PIXI port
- 25mA current drive capability with overcurrent
- 0 to +5V GPI input, 0 to +2.5V GPI programmable threshold & 0 to +10V GPO programmable o/p
- 60 ohm analogue switch between adjacent PIXI ports
- Internal/external temperature sensors of ±1?C accuracy
- Adapts to specific application requirements & allows for easy reconfiguration as system needs change
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