AD7781BRZ - ADI

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

Part No

AD7781BRZ
Manufacturer

ADI
ChipWorker Part#

CW982533
Category

Analog to Digital, ADC IC
Package

SOIC-14
Description

ANALOG DEVICES AD7781BRZ Analogue to Digital Converter, 20Bit, 16.7 SPS, Single, 2.7V, 5.25V, SOIC
Documentation

Datasheet

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AD7781BRZ Specifications

Attribute	Attribute Value

Part Number	AD7781BRZ
Manufacturer	ADI
ChipWorker Part#	CW982533
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	14 Pin
Case/Package	SOIC-14
Supply Voltage (DC)	2.70V (min)
Supply Current	420 µA
Number of Circuits	1 Circuit
Number of Channels	1 Channel
Number of Positions	14 Position
Number of Bits	20 Bit
Power Dissipation	2.10 mW
Sample Rate	16.7 SPS
Resolution (Bits)	20.0 Bit
Number of ADCs	1 ADC
Number of Inputs	1 Input
Operating Temperature (Max)	105 ℃
Operating Temperature (Min)	-40 ℃
Number of Input Channels	1 Channel
Supply Voltage (Max)	5.25 V
Supply Voltage (Min)	2.7 V
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Size-Length	8.75 mm
Size-Width	4 mm
Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 105℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
Mil-Spec	No
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

The AD7781BRZ is a 20-bit pin-programmable low power sigma-delta Analog-to-digital Converter (ADC) for bridge sensor products. Consuming only 330µA, the AD7781 is particularly suitable for portable or battery-operated products where very low power is required. It also has a power-down mode that allows the user to switch-OFF the power to the bridge sensor and power down the AD7781 when not converting, thus increasing the battery life of the product. For ease of use, all the features of the converter are controlled by dedicated pins. Each time a data read occurs, eight status bits are appended to the 24-bit conversion. These status bits contain a pattern sequence that can be used to confirm the validity of the serial transfer.
Pin-programmable filter response
Pin-programmable in-amp gain
Pin-programmable power-down and reset
Status function
Internal clock oscillator
Internal bridge power-down switch
Independent interface power supply
2-wire serial interface - SPI compatible and Schmitt trigger on SCLK

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