Hangzhou Ruimeng Tech MS5188N

MS5188N is an 8-channel, 16-bit, charge redistribution successive approximation ADC operating from a single supply. The device integrates all components required for a multichannel, low-power data acquisition system, including a no-missing-code true 16-bit SAR ADC, an 8-channel low-crosstalk multiplexer configurable for single-ended (with or without reference ground), differential, or bipolar inputs, an internal low-drift voltage reference (4.096V) with buffer, a temperature sensor, an optional single-pole filter, and a sequencer particularly useful for sequential continuous sampling across multiple channels. MS5188N supports configuration register writes and conversion result reads via a simple SPI interface, which uses a separate supply (VIO) that can be set to match the host logic level. Power consumption scales proportionally with conversion rate. MS5188N is available in a compact QFN20 package and operates over a temperature range of -40°C to +125°C.

• 16-bit no missing code resolution
• Integrated multiplexer: 8 selectable input configurations
• Supports unipolar and bipolar inputs, single-ended and differential inputs
• INL (using external 2.048V reference): typical ±0.5LSB, maximum ±1.5LSB
• Dynamic range: 92dB
• SINAD (using external 2.048V reference, 20kHz): 92dB
• Analog input range: 0 to VREF (VREF up to VDD)
• Multiple reference options: internal 2.5V or 4.096V, or external reference
• Integrated internal temperature sensor
• Integrated channel sequencer
• Single-supply operation: 5.0V, logic supply: 1.8V to 5.0V
• Serial interface: compatible with SPI, MICROWIRE, QSPI, and DSP
• Power consumption: 7.5mW (5V, 100kSPS), 23mW (5V, 500kSPS)
• Standby current: 200nA (5V)

• Multi-channel system monitoring
• Battery-powered devices
• Medical equipment
• Data acquisition
• Instrumentation