Ultra Low Noise,24 Bit Analog to Digital Converters.SGM58602XTRM20G Replace ADS1257.
FEATURES

 Supply Voltage Ranges:

  Analog Supply: 5V

  Digital Supply: 2.7V to 5V 

 Noise-Free Resolution: Up to 22 Bits

 Data Output Rate: Up to 60kSPS

 Integral Nonlinearity (INL):

  0.0012%FSR (TYP) at PGA = 1

 24-Bit No Missing Codes

 Fast Channel Cycling

  18.3 Bits Noise-Free (21.2 Effective Bits) at 1.4kHz

 Flexible Input Multiplexer

  8 Single-Ended Inputs or 4 Differential Inputs 

 (SGM58601)

 Low Noise Programmable Gain Amplifier:

  30nV Input-Referred Noise

 One-Shot Conversions with Single-Cycle Settling

 Chopper-Stabilized Input Buffer

 Supports Self and System Calibration for All PGA

  Settings

 Supports SPI-Compatible Serial Interface

PIN CONFIGUTION
CROSS
ADS1257 ADS1257.pdf

No.11575

FEATURES

• Up to 23-Bits Noise-Free Resolution

• Small 5-mm × 5-mm VQFN Package

• 4 Analog Inputs

  2 Differential or 3 Single-Ended Measurements

• Excellent DC Performance

  Offset Drift: 4 nV/°C (Gain = 64)

  Gain Drift: 0.8 ppm/°C

   Nonlinearity: 3 ppm (Gain = 1)

• Programmable Data Rates: 2.5 SPS to 30 kSPS

• Single-Cycle Settled Conversions (≤ 1000 SPS)

• 50-Hz and 60-Hz Rejection

• High Impedance Input Buffer

• Differential-Input PGA

• Integrated Sensor Break Detection

• 2 General-Purpose Input/Outputs

• Power Supplies:

  Analog: 5 V

  Digital: 1.8 V to 3.6 V

• 5-V Tolerant SPI™-Compatible Serial Interface


PIN CONFIGUTION
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