AD7745ARUZ - ADI

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

Part No

AD7745ARUZ
Manufacturer

ADI
ChipWorker Part#

CW708596
Category

DA Converter, AD Converter IC
Package

TSSOP-16
Description

ANALOG DEVICES AD7745ARUZ Analogue to Digital Converter, 24Bit, 90 SPS, Single, 2.7V, 5.25V, TSSOP
Documentation

Datasheet

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AD7745ARUZ Specifications

Attribute	Attribute Value

Part Number	AD7745ARUZ
Manufacturer	ADI
ChipWorker Part#	CW708596
Category	DA Converter, AD Converter IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	TSSOP-16
Supply Voltage (DC)	5.00 V
Supply Current	750 µA
Number of Channels	1 Channel
Number of Positions	16 Position
Number of Bits	24 Bit
Power Dissipation	4.25 mW
Sample Rate	90 SPS
Resolution (Bits)	24.0 Bit
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	4.25 mW
Supply Voltage	2.7V ~ 5.25V
Supply Voltage (Max)	5.25 V
Supply Voltage (Min)	2.7 V
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Size-Length	5 mm
Size-Width	4.4 mm
Size-Height	1.05 mm
Operating Temperature	-40℃ ~ 125℃
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 AD7745ARUZ is a 1-channel 24-bit High Resolution Capacitance to Digital Converter with temperature sensor. The capacitance to be measured is connected directly to the device inputs. The architecture features inherent high resolution (24-bit no missing codes, up to 21-bit effective resolution). Each channel can be configured as single-ended or differential. The Σ-Δ capacitance to digital converter (CDC) is designed for floating capacitive sensors. The parts have an on-chip temperature sensor with a resolution of 0.1°C and accuracy of ±2°C. The on-chip voltage reference and the on-chip clock generator eliminate the need for any external components in capacitive sensor applications. The parts have a standard voltage input, which together with the differential reference input allows easy interface to an external temperature sensor, such as an RTD, thermistor or diode. The AD7745 has a 2-wire I²C-compatible serial interface.
New standard in single chip solutions
Interfaces to single or differential floating sensors
4fF Accuracy
0.01% Linearity
Common-mode (not changing) capacitance up to 17pF
Tolerant of parasitic capacitance to ground up to 60pF
Simultaneous 50 and 60Hz rejection at 16Hz
Temperature sensor on-chip
Internal clock oscillator
0.7mA Current consumption
ESD sensitive device, take proper precaution while handling the device.

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