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ADS7868, ADS7868EVM, ADS7868IDBV

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Info of ADS7868
Info of ADS7868EVM
Info of ADS7868IDBV

ADS7868, ADS7868EVM, ADS7868IDBV Selling Leads, Datasheet

MFG:Texas Instruments Category:Programmers, Development Systems Package Cooled:08+ D/C:O

ADS7868, ADS7868EVM, ADS7868IDBV Picture

ADS7868, ADS7868EVM, ADS7868IDBV Datasheet download

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Part Number: ADS7868

Category: Programmers, Development Systems

MFG: Texas Instruments

Package Cooled: 08+

D/C: O

Description: MODULE EVAL FOR ADS7868

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ADS7868 General Description

The ADS7866/67/68 are low power, miniature,12/10/8-bitA/D converters each witha unipolar,single-ended input.These devices canoperate from a single1.6V to 3.6V supply with a 200-KSPS throughput for ADS7866.Inaddition,these devices can maintain at leasta 100-KSPS throughput witha supply aslowas 1.2V.

The sampling, conversion,and activation of digital output SDO are initiatedon the falling edge of CS.The serial clock SCLK is used for controlling the conversion rate and shifting data out of the converter. Furthermore, SCLK providesa mechanism to allow digital host processors to synchronize with the con-verter.These converters interface withmicro- processors or DSPsthrougha high-speed SPI compatible serial interface.There are no pipeline delays associated with the device.

The minimum conversion time is determined by the frequency of the serial clock input, SCLK,while the maximum frequency of SCLK is determined by the minimum sampling time required to charge the input capacitance to 12/10/8-bit accuracy for the ADS7866/67/68, respectively.The maximum throughput is determined by how often aconversion is initiated when the minimum sampling time is met and the maximum SCLK frequency is used. Each device automatically powers down after each conver-sion,which allows each device to save power when the throughputis reduced while using the maximum SCLK frequency.

The converter reference is taken internally from the supply.Hence,the analoginput range for these devices is0V to VDD.

These devices are available in a6-pin SOT-23 package and are characterized over the industrial40°C to 85°C temperaturerange.

ADS7868 Maximum Ratings

		RATING
V_DDtoGND		0.3Vto4.0V
Analoginput voltage to GND		0.3VtoVDD+0.3V
DigitalinputvoltagetoGND		0.3Vto4.0V
DigitaloutputvoltagetoGND		0.3VtoVDD+0.3V
T_A Operating free-airtemperaturerange		40°Cto85°C
T_STORAGE Storagetemperaturerange		65°Cto150°C
T_J Junctiontemperature		150°C
SOT-23Package	_JA Thermal impedance	110.9°C/W
	_JCThermal impedance	22.31°C/W
Leadtemperature,soldering	Vapor phase(1040sec)	250°C
	Infrared(1030sec)	260°C
ESD		3kV

ADS7868 Features

•Single1.2-Vto3.6-VSupplyOperation
•HighThroughput
200/240/280KSPSfor12/10/8-BitVDD1.6V
100/120/140KSPSfor12/10/8-BitVDD1.2V
•±1.5LSBINL,12-BitNMC(ADS7866)
•71dBSNR,
83dBTHDafIN=30kHz(ADS7866)
•SynchronizedConversionwithSCLK
•SPICompatibleSerialInterface
•NoPipelineDelays
•LowPower
1.39mWTypat200KSPS,VDD=3.6V
0.39mWTypat200KSPS,VDD=1.6V
0.22mWTypat100KSPS,VDD=1.2V
•AutoPower-Down:8nATyp,300nAMax
•0VtoVDDUnipolarInputRange
•6-PinSOT-23Package

ADS7868 Typical Application

•BatteryPoweredSystems
•IsolatedDataAcquisition
•MedicalInstruments
•PortableCommunication
•PortableDataAcquisitionSystems
•AutomaticTestEquipment

ADS7868EVM Parameters

Technical/Catalog Information	ADS7868EVM
Vendor	Texas Instruments
Category	Programmers, Development Systems
Number of ADC's	1
Inputs per ADC	1 Single Ended
Input Range	0 ~ 3.6 V
Data Interface	Serial
Number of Bits	12
Sampling Rate (Per Second)	200k
Voltage Supply Source	Single
Operating Temperature	-40°C ~ 85°C
Supplied Contents	Board
Utilized IC / Part	ADS7868
Power (Typ) @ Conditions	1.39mW @ 200kSPS
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	ADS7868EVM ADS7868EVM

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