MCP3461/2/4
Two/Four/Eight-Channel, 153.6 ksps, Low Noise, 16-Bit Delta-Sigma ADC
Features
• One/Two/Four Differential ...
MCP3461/2/4
Two/Four/Eight-Channel, 153.6 ksps, Low Noise, 16-Bit Delta-Sigma ADC
Features
One/Two/Four Differential or Two/Four/Eight Single-Ended Input Channels
16-Bit Resolution
Programmable Data Rate: Up to 153.6 ksps
Programmable Gain: 0.33x to 64x 97.2 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: 3.2 µVRMS (Gain = 16x, 9600 SPS) RMS Effective Resolution: 15.5 Bits Minimum (All gains, all OSR combinations)
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
16-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
6.5 mm x 4.4 mm x 1 mm 20-Lead TSSOP
General Description
The MCP3461/2/4 devices are 1/2/4-chan...