See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

DDC | 5

Temp:

Q (-40 to 125)

ECO Plan:

Green (RoHS & no Sb/Br)

REF2041AIDDCT


Low-Drift, Low-Power, Dual-Output VREF and VREF/2 Voltage Reference

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750 - 999 $ 1.92
1000 - 9999 $ 1.61

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Texas Instruments REF2041AIDDCT

Applications with only a positive supply voltage often require additional stable voltage in the middle of the analog-to-digital converter (ADC) input range to bias input bipolar signals. The REF20xx provides a reference voltage (VREF) for the ADC and a second highly-accurate voltage (VBIAS) that can be used to bias the input bipolar signals.

The REF20xx offers excellent temperature drift (8 ppm/°C, max) and initial accuracy (0.05%) on both the VREF and VBIAS outputs while operating at a quiescent current less than 430 µA. In addition, the VREF and VBIAS outputs track each other with a precision of 6 ppm/°C (max) across the temperature range of –40°C to 85°C. All these features increase the precision of the signal chain and decrease board space, while reducing the cost of the system as compared to a discrete solution. Extremely low dropout voltage of only 10 mV allows operation from very low input voltages, which can be very useful in battery-operated systems.

Both the VREF and VBIAS voltages have the same excellent specifications and can sink and source current equally well. Very good long-term stability and low noise levels make these devices ideally-suited for high-precision industrial applications.

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