Features
• One Full-Differential or Two Single-Ended Input
Channels:
- Wide Input Voltage Range: 0V to AVDD
- Internal Conversions Sequencer (Scan
mode) for Automatic Multiplexing
- One-Shot or Continuous Conversion Modes
• Supply Voltage:
- AVDD/DVDD: 2.7V - 3.6V
• Second-Order Modulator with 5-level
Quantizer plus:
- Third-Order Decimation Filter for Low OSR
(32-512)
- Cascaded of Third-Order and First-Order
Filters for High OSR (>512).
• ADC Resolution:
- MCP3460R: 16-bit
- Selectable Oversampling Ratio (OSR)
Range: 32-98304
• Programmable Data Rate: Up to 153.6 kSPS
• On-Chip Programmable Gain:
- Gain Option: 1/3x, 1x, 2x, 4x, 8x, 16x, 32x,
64x
• AC Dynamic Performance (50Hz Input w/
OSR = 256):
- SINAD: 97.2 dB
- THD: -116dBc
- SFDR: 120 dBc (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: 2.3 VRMS(Gain = 16x, 9600 SPS)
• RMS Effective Resolution: 15.4 Bits Minimum (All
Gains, All OSR Combinations)
• Voltage Reference Selection:
- 2.4V Internal Voltage Reference (Buffered)
with 15 ppm/°C Drift
- Differential External Voltage Reference
Inputs (Not Buffered) with a 0.1V - AVDD
• Internal Oscillator or External Clock Selection
• Power-Saving Modes: Standby, Sleep, Shutdown,
Full-Shutdown
- Ultra-Low Full-Shutdown Current
Consumption (< 2.4 μA)
• Bandgap-Based Internal Temperature Sensor
• 16-Bit Digital Offset and Gain Error Calibration
Registers
• 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 (via
Scan Mode)
• 20 MHz SPI-Compatible Interface with Mode 0,0
and 1,1
• Extended Temperature Range: -40°C to +125°C
• Package Options:
- 3 mm x 3 mm x 1 mm, 20-Lead VQFN (2LX
Package Code)
Applications
• General Purpose Low-to-High Data-Rate, High
Precision, ADC Applications
• Medical and Scientific Instrumentation
• Precision-Sensor Applications:
- Pressure, Strain, and Force measurement
• Temperature Measurement
• Current Measurement
• Factory Automation and Process Controls
- Portable Instrumentation