AD7711ANZ - ADI

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

Part No

AD7711ANZ
Manufacturer

ADI
ChipWorker Part#

CW1078244
Category

Analog to Digital, ADC IC
Package

DIP-24
Description

ANALOG DEVICES AD7711ANZ Analogue to Digital Converter, 24Bit, 19.5KSPS, Single, 4.75V, 10.5V, DIP
Documentation

Datasheet

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AD7711ANZ Specifications

Attribute	Attribute Value

Part Number	AD7711ANZ
Manufacturer	ADI
ChipWorker Part#	CW1078244
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	24 Pin
Case/Package	DIP-24
Supply Voltage (DC)	4.75V (min)
Operating Voltage	5V ~ 10V
Power Rating	45 mW
Supply Current	4.50 mA
Number of Circuits	1 Circuit
Number of Channels	2 Channel
Number of Positions	24 Position
Number of Bits	24 Bit
Power Dissipation	30 mW
Sample Rate	1 ksps
Resolution (Bits)	24.0 Bit
Input Capacitance	11.5 pF
Input Impedance	1.00 Ω
Number of ADCs	1 ADC
Number of Inputs	2 Input
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	52.5 mW
Number of Input Channels	1 Channel
Supply Voltage (Max)	10.5 V
Supply Voltage (Min)	4.75 V
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Size-Length	31.75 mm
Size-Width	6.35 mm
Size-Height	3.3 mm
Operating Temperature	-40℃ ~ 85℃
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	2016/06/20
ECCN Code	EAR99

Product Description

Product Details
The AD7711 is a complete analog front end for low frequency measurement applications. The device accepts low level signals directly from a transducer and outputs a serial digital word. It employs a sigma-delta conversion technique to realize up to 24 bits of no missing codes performance. The input signal is applied to a proprietary programmable gain front end based around an analog modulator. The modulator output is processed by an on-chip digital filter. The first notch of this digital filter can be programmed via the on-chip control register allowing adjustment of the filter cutoff and settling time.
The part features one differential analog input and one single ended analog input as well as a differential reference input. Normally, one of the input channels will be used as the main channel with the second channel used as an auxiliary input to periodically measure a second voltage. It can be operated from a single supply (by tying the VSS pin to AGND) provided that the input signals on the analog inputs are more positive than -30 mV. By taking the VSS pin negative, the part can convert signals down to -VREF on its inputs. The part provides two current sources that can be used to provide excitation in three-wire and four-wire RTD configurations. The AD7711 thus performs all signal conditioning and conversion for a single or dual channel system.
The AD7711 is ideal for use in smart, microcontroller based systems. Gain settings, signal polarity, input channel selection and RTD current control can be configured in software using the bidirectional serial port. The AD7711 contains self-measurement calibration, system calibration and background calibration options and also allows the user to read and write the on-chip calibration registers.
CMOS construction ensures low power dissipation, and a software programmable power-down mode reduces the standby power consumption to only 7 mW typical. The part is available in a 24-pin, 0.3 inch wide, plastic and hermetic dual-in-line package (DIP) as well as a 24-lead small outline (SOIC) package.
### Features and Benefits
Charge-Balancing ADC
24 Bits, No Missing Codes
±0.0015% Nonlinearity
2-Channel Programmable Gain Front End
Gains from 1 to 128
1 Differential Input
1 Single-Ended Input
Low-Pass Filter with Programmable Filter Cutoffs
Ability to Read/Write Calibration Coefficients
RTD Excitation Current Sources
Bidirectional Microcontroller Serial Interface
Internal/External Reference Option
Single- or Dual-Supply Operation
Low Power (25 mW typ) with Power-Down Mode (7 mW typ)

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