AD7685
AD7685 Description
250 kSPS 16-BIT PulSAR® A/D Converter in µSOIC/QFN
AD7685 Vendor
Analog Devices
AD7685 Categories
AD7685 Features
  • 16 Bits Resolution with No Missing 16-Bit Codes
  • Throughput: 250 kSPS
  • INL: ±0.6 LSB Typ, ±2 LSB Max
  • S/(N+D): 93.5 dB @ 20 kHz
  • Power Dissipation:
    1.35 mW @ 2.5V/100 kSPS,
    1.4 µW @ 2.5 V/100 SPS
  • Pseudo-Differential Analog Input Range:
    0 V to VREF with VREF up to VDD
  • Single Supply Operation 2.3 V to 5.5 V
    with 1.8V to 5 V Logic Interface
  • Multiple ADCs Daisy Chain, Busy Indicator
  • No Pipeline Delay
  • Serial Interface SPI®/QSPI™/DSP compatible
  • µSOIC Package (µSO8 Size) and
    QFN (Chip Scale with SOT23 size)
  • Pin-to-Pin Compatible with AD7686,
    AD7687, AD7688
AD7685 Applications
  • Battery Powered Equipment
  • Data Acquisition
  • Instrumentation
  • Medical Instruments
  • Process Control
AD7685 Datasheet and Application Notes
ParameterValue
Res (Bits)16bit
Thruput Rate250KSPS
# of ADC Inputs1
Supply VSingle(+3.3), Single(+5), Single(+2.5), Single(+3)
InterfaceSer, SPI
Ain Range(Vref) p-p
SNR (dB)93.5dB
Pkg TypeCSP, SOP
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