SAR ADC
MS5182
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In supply
16bit, 4/8 channel, 250kSPS, SAR ADC
Datasheet Download
Overview
MS5182N/MS5189N is a 4/8 channel, 16bit, charge redistribution successive approximation analog-to-digital converter, using a single power supply supply. Internally, the MS5182N/MS5189N integrates a lossless 16-bit SAR ADC, a low crosstalk multiplexer, an internal low-drift voltage reference source (with a choice of 2.5V or 4.096V), a temperature sensor, an optional monoppole filter, and a sequencer (useful when multiple channels are sampled sequentially).
MS5182N/MS5189N uses SPI interface to realize the configuration of registers and the reading of converted data. The SPI interface uses a separate power supply (VIO). The MS5182N/MS5189N comes in a small QFN20 package and operates from -40°C to +125°C.
Key Features
- • 16-bit lossless resolution
- • Integrated multiplexer: 4 (MS5182N), 8 (MS5189N)
- • Selectable input configurations: unipolar and bipolar inputs, single-ended and differential inputs
- • INL (@external reference 2.048V) : ±0.4LSB (typical),
- ±1.5LSB (Max)
- • Dynamic range: 93.8dB
- • SINAD (@external reference 2.048V) : 92.5dB(20kHz);
- THD: -100dB (20kHz)
- • Analog input range: 0 to VREF (VREF up to VDD)
- • Multiple reference: internal 2.5V or 4.096V, external reference
- • Internal temperature sensor
- • Channel sequencer
- • Single supply operation: 2.3V to 5.5V; Logic power supply: 1.8V to 5.5V
- • Serial interface: compatible with SPI, MICROWIRE, QSPI and DSP
- • Power consumption: 3.5mW(2.5V@200kSPS), 12.5mW(5V@200kSPS)
- • Standby current: 50nA
Key Features
Multi-channel system monitoring
Battery powered devices
Medical devices: ECG, EKG
Mobile communications: GPS
Power line monitoring
Data acquisition
Seismic data acquisition system
Instrumentation
Process Control
