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
優勢替代
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
