• AD7798BRUZ
  • AD7798BRUZ
  • AD7798BRUZ
  • AD7798BRUZ
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The AD7798/AD7799 are low power, low noise, complete analog front ends for high precision measurement applications. The AD7798/AD7799 contains a low noise, 16-/24-bit Σ-Δ ADC with three differential analog inputs. The on-chip, low noise instrumentation amplifier means that signals of small amplitude can be interfaced directly to the ADC. With a gain setting of 64, the rms noise is 27 nV for the AD7799 and 40 nV for the AD7798 when the update rate equals 4.17 Hz. On-chip features include a low-side power switch, reference detect, programmable digital output pins, burnout currents, and an internal clock oscillator. The output data rate from the part is software-programmable and can be varied from 4.17 Hz to 470 Hz. The part operates with a power supply from 2.7 V to 5.25 V. The AD7798 consumes a current of 300 μA typical, whereas the AD7799 consumes 380 μA typical. Both devices are housed in a 16-lead TSSOP package. Applications Weigh scales Pressure measurement Strain gauge transducers Gas analysis Industrial process control Instrumentation Portable instrumentation Blood analysis Smart transmitters Liquid/gas chromotography 6-digit DVM

supply_voltage_dc2.70 V (min)
data_rate500 bps
mil_specNo
power_dissipation2.00 mW
reach_svhc_complianceNo SVHC
lead_free_statusContains Lead
mounting_styleSurface Mount
packagingTube, Bulk
case_packageTSSOP
sample_rate470 Hz
supply_current440 µA
lifecycle_statusActive
number_of_bits16
rohs_statusCompliant
pin_count16
resolution_bits16.0
Resolution (Bits)16bit
Sampling Rate470SPS
Supply Voltage TypeSingle
Supply Voltage Min2.7V
Supply Voltage Max5.25V
ADC / DAC Case StyleTSSOP
No. of Pins16Pins
Input Channel TypeDifferential
Data InterfaceSerial
Operating Temperature Min-40°C
Operating Temperature Max105°C
PackagingEach
Product RangeTriple 16-Bit Sigma-Delta ADCs
Automotive Qualification Standard-
RoHS Phthalates CompliantYes
MSLMSL 1 - Unlimited
SVHCNo SVHC (07-Jul-2017)
A/D / D/A Features3-Wire Serial, SPI, QSPI Interface, Microwire, DSP Compatible, On-Chip In-Amp, Low Noise, Low Power
Base Number7798
Conversion Time2000µs
Data Rate500bps
IC Case StyleTSSOP
IC Generic Number7798
Logic Function Number7798
No. of Channels3Channels
Operating Temperature Range-40°C to +105°C
Supply Current440µA
Supply Voltage Range2.7V to 5.25V
Supply Voltage Range - Analogue2.7V to 5.25V
Supply Voltage Range - Digital2.7V to 5.25V
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