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MCP3561

Microchip
Part Number MCP3561
Manufacturer Microchip
Description 1-Channel Low-Noise 24-Bit Delta-Sigma ADCs
Published Jul 13, 2019
Detailed Description MCP3561/2/4 Two/Four/Eight-Channel, 153.6 ksps, Low Noise 24-Bit Delta-Sigma ADCs Features • One/Two/Four Differential ...
Datasheet PDF File MCP3561 PDF File

MCP3561
MCP3561

Overview
MCP3561/2/4 Two/Four/Eight-Channel, 153.
6 ksps, Low Noise 24-Bit Delta-Sigma ADCs Features • One/Two/Four Differential or Two/Four/Eight Single-Ended Input Channels • 24-Bit Resolution • Programmable Data Rate: Up to 153.
6 ksps • Programmable Gain: 0.
33x to 64x • 106.
7 dB SINAD, -116 dBc THD, 120 dBc SFDR (Gain = 1x, 4800 SPS) • Low-Temperature Drift: - Offset error drift: 4/Gain nV/°C (AZ_MUX = 1) - Gain error drift: 0.
5 ppm/°C (Gain = 1x) • Low Noise: 90 nVRMS (Gain = 16x,12.
5 SPS) • RMS ENOB: Up to 23.
3 Bits • Wide Input Voltage Range: 0V to AVDD • Differential Voltage Reference Inputs • Internal Oscillator or External Clock Selection • Ultra-Low Full Shutdown Current Consumption (< 5 µA) • Internal Temperature Sensor • Burnout Current Sources for Sensor Open/Short Detection • 24-Bit Digital Offset and Gain Error Calibration Registers • Internal Conversions Sequencer (SCAN mode) for Automatic Multiplexing • Dedicated IRQ Pin for Easy Synchronization • Advanced Security Features: - 16-bit CRC for secure SPI communications - 16-bit CRC and IRQ for securing configuration - Register map lock with 8-bit secure key - Monitor controls for system diagnostics • 20 MHz SPI-Compatible Interface with Mode 0,0 and 1,1 • AVDD: 2.
7V-3.
6V • DVDD: 1.
8V-3.
6V • Extended Temperature Range: -40°C to +125°C • Package: 3 mm x 3 mm 20-Lead UQFN and 6.
4 mm x 6.
4 mm x 1 mm 20-Lead TSSOP General Description The MCP3561/2/4 are 1/2/4-channel, 24-bit, Delta-Sigma Analog-to-Digital Converters (ADCs) with programmable data rate of up to 153.
6 ksps.
They offer integrated features, such as internal oscillator, temperature sensor and burnout sensor detection, in order to reduce system component count and total solution cost.
The MCP3561/2/4 ADCs are fully configurable with Oversampling Ratio (OSR) from 32 to 98304 and gain from 1/3x to 64x.
These devices include an internal sequencer (SCAN mode) with multiple monitor channels and a 24-bit timer to be able to automatically create conversion loop...


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