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The ADS8382 is a high performance 18-bit, 600-kHz A/D converter with fully differential, pseudo-bipolar input. The device includes an 18-bit capacitor-based SAR A/D converter with inherent sample and hold.The ADS8382 offers a high-speed CMOS serial interface with clock speeds up to 40 MHz.
The ADS8382 is available in a 28 lead 6 * 6 QFN package and is characterized over the industrial 40°C to 85°C temperature range.
ADS8382 Maximum Ratings
Voltage
+IN to AGND
0.3 V to +VA + 0.3 V
IN to AGND
0.3 V to +VA + 0.3 V
+VA to AGND
0.3 V to 7 V
+VBD to BDGND
0.3 V to 7 V
Digital input voltage to BDGND
0.3 V to +VBD + 0.3 V
Digital input voltage to +VA
+0.3 V
Operating free-air temperature range,TA
40°C to 85°C
Storage temperature range,Tstg
65°C to 150°C
Junction temperature (TJ max)
150°C
QFN package
Power dissipation
(TJ max TA)/JA
JA thermal impedance
86°C/W
Lead temperature, soldering
Vapor phase (60 sec)
215°C
Infrared (15 sec)
220°C
(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
ADS8382 Features
` 600-kHz Sample Rate ` ±1.25 LSB Typ, ±3 LSB Max INL ` 18-Bit NMC Ensured Over Temperature ` SINAD 96 dB, SFDR 120 dB at fi = 1 kHz ` High-Speed Serial Interface up to 40 MHz ` Onboard Reference Buffer ` Onboard 4.096-V Reference ` Pseudo-Bipolar Input, up to ±4.2 V ` Onboard Conversion Clock ` Zero Latency ` Wide Digital Supply ` Low Power 115 mW at 600 kHz 15 mW During Nap Mode 10 W During Power Down ` 28-Pin 6 * 6 QFN Package