Hangzhou Ruimeng Tech MS5173M

MS5173M is a single-channel, 16-bit, charge redistribution successive approximation ADC with single-supply operation.

MS5173M integrates a low-power, high-speed, no-missing-code true 16-bit SAR ADC and an internal conversion clock.

MS5173M uses a standard serial interface for conversion result readback, and includes a track-and-hold circuit with low noise, wide bandwidth, and short aperture delay. The SPI interface also supports daisy-chaining multiple ADCs on a single 3-wire bus.

MS5173M is available in a compact MSOP8 package with an operating temperature range of -40℃ to +85℃.

MS5173M is a high-speed, low-power, 16-bit SAR ADC capable of 200k samples per second with automatic power-down between conversions. MS5173M is rated for supply voltages from 2.7V to 5.5V.

MS5173M uses a 3-wire interface with CNV, SCK, and SDO signals, compatible with SPI, MICROWIRE, QSPI, digital hosts, and DSPs.

A rising edge on CNV initiates a conversion. CNV is inactive during conversion and must be asserted high before the minimum conversion time elapses. When conversion is complete, MS5173M enters the sampling phase, SDO transitions from high-impedance to the MSB, and the remaining data bits are clocked out on each falling edge of SCK. Data is valid on both edges of SCK. SDO returns to high-impedance after the 16th falling edge of SCK or when CNV is asserted high.

• 16-bit no missing codes resolution
• INL: ±1LSB (typical)
• Dynamic range: 92dB
• SINAD: 92dB (20kHz)
• Analog input range: 0 to VREF (VREF up to VDD)
• External reference VDD single-supply operation: 2.7V to 5.5V
• Serial interface: compatible with SPI, MICROWIRE, QSPI, and DSP
• Power dissipation: 7.5mW (5V@100kSPS), 23mW (5V@200kSPS)
• Standby current: 200nA@5V

• Battery-powered devices
• Medical equipment
• Mobile communications
• Personal digital assistants (PDAs)
• Data acquisition
• Instrumentation and process control