Ultra-Low Noise, 24-Bit Analog-to-Digital Converters, SGM58600A Replace ADS1255.
SGM58600A
SGM58600A.pdf
SGM58600A.pdfFEATURES
• 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):
0.00045%FSR (TYP) at PGA[2:0] = 1
• 24-Bit No Missing Codes
• Fast Channel Cycling
18.4 Bits Noise-Free (21.2 Effective Bits) at 1.4kHz
• Flexible Input Multiplexer
2 Single-Ended Inputs or 1 Differential Inputs (SGM58600A)
8 Single-Ended Inputs or 4 Differential Inputs (SGM58601A)
3 Single-Ended Inputs or 2 Differential Inputs (SGM58602A)
• Low Noise Programmable Gain Amplifier:
30nV Input-Referred Noise
• One-Shot Conversions with Single-Cycle Settling
• Chopper-Stabilized Input Buffer
• Support Self and System Calibration for All PGA Settings
• Support SPI-Compatible Serial Interface
PIN CONFIGUTION
CROSS
FEATURES
• 24 Bits, No Missing Codes
− All Data Rates and PGA Settings
• Up to 23 Bits Noise-Free Resolution
• ±0.0010% Nonlinearity (max)
• Data Output Rates to 30kSPS
• Fast Channel Cycling
−18.6 Bits Noise-Free (21.3 Effective Bits) at 1.45kHz
• One-Shot Conversions with Single-Cycle Settling
• Flexible Input Multiplexer with Sensor Detect
− Four Differential Inputs (ADS1256 only)
− Eight Single-Ended Inputs (ADS1256 only)
• Chopper-Stabilized Input Buffer
• Low-Noise PGA: 27nV Input-Referred Noise
• Self and System Calibration for All PGA Settings
• 5V Tolerant SPI™-Compatible Serial Interface
• Analog Supply: 5V
• Digital Supply: 1.8V to 3.6V
• Power Dissipation
− As Low as 38mW in Normal Mode
− 0.4mW in Standby Mode
PIN CONFIGUTION
