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The ADS8401 is a 16-bit, 1.25 MHz A/D converter with an internal 4.096-V reference. The device includes a 16-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8401 offers a full 16-bit interface and an 8-bit option where data is read using two 8-bit read cycles. The ADS8401 has a unipolar single-ended input. It is available in a 48-lead TQFP package and is characterized over the industrial 40°C to 85°C temperature range.
ADS8401IBPFBR Maximum Ratings
UNIT
Voltage
+IN to AGND
0.4 V to +VA + 0.1 V
IN to AGND
0.4 V to +VA + 0.1 V
Voltage range
+VA to AGND
0.3 V to 7 V
+VBD to BDGND
0.3 V to 7 V
+VA to +VBD
0.3 V to 2.55 V
Digital input voltage to BDGND
0.3 V to +VBD + 0.3 V
Digital output voltage to BDGND
0.3 V to +VBD + 0.3 V
TA Operating free-air temperature range
40°C to 85°C
Tstg Storage temperature range
65°C to 150°C
Junction temperature (TJ max)
150°C
TQFP package
Power dissipation
(TJMax - TA)/qJA
qJA thermal impedance
86°C/W
Lead temperature, soldering
Vapor phase (60 sec)
215°C
Infrared (15 sec)
220°C
ADS8401IBPFBR Features
1.25-MHz Sample Rate 16-Bit NMC Ensured Over Temperature Zero Latency Unipolar Single-Ended Input Range: 0 V to Vref Onboard Reference Onboard Reference Buffer High-Speed Parallel Interface Power Dissipation: 155 mW at 1.25 MHz Typ Wide Digital Supply 8-/16-Bit Bus Transfer 48-Pin TQFP Package
ADS8401IBPFBR Typical Application
DWDM Instrumentation High-Speed, High-Resolution, Zero Latency Data Acquisition Systems Transducer Interface Medical Instruments Communication