Ultra-Low Noise, 24-Bit Analog-to-Digital Converters, SGM58602A Replace ADS1257.
SGM58602A
SGM58602A.pdf
SGM58602A.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
优势替代
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
