AD780BRZ - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD780BRZ
Manufacturer

ADI
ChipWorker Part#

CW192367
Category

Voltage Reference
Package

SOIC-8
Description

2.5V/3V Ultrahigh Precision Bandgap Voltage Reference V-Ref Programmable 2.5V/3V 10mA 8Pin SOIC N Tube
Documentation

Datasheet

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AD780BRZ Specifications

Attribute	Attribute Value

Part Number	AD780BRZ
Manufacturer	ADI
ChipWorker Part#	CW192367
Category	Voltage Reference
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Voltage (DC)	5.00 V
Input Voltage (DC)	4.00V ~ 36.0V
Output Voltage	2.5 V
Output Current	10 mA
Supply Current	1 mA
Number of Channels	1 Channel
Number of Positions	8 Position
Power Dissipation	500 mW
Input Voltage (Max)	36 V
Output Current (Max)	10 mA
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	4V ~ 36V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 85℃ (TA)
Temperature Coefficient	±3 ppm/℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

Product Details
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.
**Product Highlights**
1. The AD780 provides a pin programmable 2.5 V or 3.0 V output from a 4 V to 36 V input.
2. Laser trimming of both initial accuracy and temperature coefficients results in low errors over temperature without the use of external components. The AD780BN has a maximum variation of 0.9 mV from −40°C to +85°C.
3. For applications that require even higher accuracy, an optional fine-trim connection is provided.
4. The AD780 noise is extremely low, typically 4 mV p-p from 0.1 Hz to 10 Hz and a wideband spectral noise density of typically 100 nV/√Hz. This can be further reduced, if desired, by using two external capacitors.
5. The temperature output pin enables the AD780 to be configured as a temperature transducer while providing a stable output reference.
### Features and Benefits
Pin programmable 2.5 V or 3.0 V output
Ultralow drift: 3 ppm/°C max
High accuracy: 2.5 V or 3.0 V ±1 mV max
Low noise: 100 nV/√Hz
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 (±2.5 V, ±3.0 V)

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