AD780ARZ Part Information

Details for AD780ARZ by Analog Devices

Electronic & Electrical Components>Semiconductors - ICs>Power Management

Part Description

The AD780 is an ultrahigh precision band gap reference voltage that provides a 2.5 V or 3.0 V output from inputs between 4.0 V and 36 V. Low initial error and temperature drift combined with low output noise and the ability to drive any value of capacitance make the AD780 the ideal choice for enhancing the performance of high resolution analog-to-digital converters (ADCs) and digital-to-analog converters (DACs), and for any general-purpose precision reference application. A unique low headroom design facilitates a 3.0 V output from a 5.0 V 10% input, providing a 20% boost to the dynamic range of an ADC over performance with existing 2.5 V references. The AD780 can be used to source or sink up to 10 mA, and can be used in series or shunt mode, thus allowing positive or negative output voltages without external components. This makes it suitable for virtually any high performance reference application. Unlike some competing references, the AD780 has no region of possible instability. The part is stable under all load conditions when a 1 µF bypass capacitor is used on the supply. A temperature output pin on the AD780 provides an output voltage that varies linearly with temperature, allowing the part to be configured as a temperature transducer while providing a stable 2.5 V or 3.0 V output. The AD780 is a pin compatible performance upgrade for the LT1019(A)–2.5 and the AD680. The latter is targeted toward low power applications. The AD780 is available in three grades in PDIP and SOIC packages. The AD780AN, AD780AR, AD780BN, AD780BR, and AD780CR are specified for operation from −40°C to +85°C.

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Part Features

  • Pin programmable 2.5 V or 3.0 V output Ultralow drift: 3 ppm/u00b0C max High accuracy: 2.5 V or 3.0 V u00b11 mV max Low noise: 100 nV/u221aHz Noise reduction capability Low quiescent current: 1 mA max Output trim capability Plug-in upgrade for present references Temperature output pin Series or shunt mode operation (u00b12.5 V, u00b13.0 V)

Part Specifications

Voltage Reference Type Series - Programmable
Product Range AD780 Series
Reference Voltage 2.5V 3V
Initial Accuracy 5mV
Temperature Coefficient ± 7ppm/°C
Voltage Reference Case Style SOIC
No. of Pins 8Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (07-Jul-2017)
Input Voltage 4V to 36V
Input Voltage Max 36V
Input Voltage Min 4V
Operating Temperature Range -40°C to +85°C
Reference Volt Tolerance ±% 0.2%
Reference Voltage Tolerance 5mV
Topology Series Shunt
RoHS Compliant

Alternative Part Descriptions

  • Voltage Reference, High Precision, Series - Programmable, AD780 Series, 2.5V, 3V, NSOIC-8 RoHS Compliant: Yes | Newark Electronics
  • Voltage Reference [Analog Devices] AD780ARZ Voltage Reference | Distrelec
  • VOLTAGE REFERENCE | Richardson RFPD

Frequently Asked Questions

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What category does AD780ARZ fall under?

The AD780ARZ is listed under Electronic & Electrical Components > Semiconductors - ICs > Power Management.

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You can view similar parts to AD780ARZ when available in the Power Management range under the specifications section at the bottom of the details page.

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Is the AD780ARZ RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Farnell.

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Authorised distributors including Newark Electronics, Distrelec and Richardson RFPD have stock available or on a lead time for AD780ARZ.

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