LTC2617CDE#PBF

LTC2617CDE#PBF is a dual, 14bit, rail-to-rail voltage output DAC. LTC2617 has built-in high-performance output buffers and is guaranteed monotonic. The parts use a 2-wire, I²C compatible serial interface. It operates in both the standard mode (clock rate of 100KHz) and the fast mode (clock rate of 400KHz). An asynchronous DAC update pin (LDAC) is also included. It incorporates a power-on reset circuit. During power-up, the voltage outputs rise less than 10mV above zero scale; and after power-up, they stay at zero scale until a valid write and update take place. The power-on reset circuit resets the device to mid-scale. The voltage outputs stay at midscale until a valid write and update takes place. Applications include mobile communications, process control and industrial automation, instrumentation, and automatic test equipment.

• Guaranteed monotonic over temperature, 27 selectable addresses
• Supply voltage range from 2.7V to 5.5V, double-buffered data latches
• Asynchronous DAC update pin, power-on reset to zero scale
• Integral nonlinearity is ±1LSB maximum at (TA = 25°C, REF = 4.096V (VCC = 5V))
• Offset error is ±1mV typical at ((TA = 25°C, REF = 4.096V (VCC = 5V))
• Power supply rejection ratio is -80dB typical at (TA = 25°C, REF = 4.096V (VCC = 5V))
• Supply current is 0.66mA typical at (VCC = 5V, TA = 25°C, REF = 4.096V (VCC = 5V))
• Output voltage noise density is 120nV/√Hz typical at (TA = 25°C, REF = 4.096V (VCC = 5V))
• 180KHz multiplying bandwidth at (TA = 25°C, REF = 4.096V (VCC = 5V))
• Operating temperature range from 0°C to 70°C, 12-lead plastic DFN package

注释

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