MCP3465R屬于集成電路（IC）的模數轉換器（ADC）。由微芯科技股份有限公司制造生產的MCP3465R模數轉換器（ADC）模數轉換器（ADC、A/D 或 A 轉 D）對模擬信號進行采樣，例如由麥克風采集的聲音或傳感器的輸出，然后將其轉換為數字信號。一般來說，數字輸出是二進制補碼二進制數，與輸入成比例。輸入類型可能是差分、偽差分或單端輸入。模數轉換器可按照位數、采樣率、輸入數、接口、轉換器數和架構（例如自適應增量、雙斜率、折疊、流水線、SAR、三角積分、兩步式）進行選擇。

特性 Features

? One Differential or Two 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: 2.3 μVRMS (Gain = 16x, 9600 SPS)

? RMS Effective Resolution: 15.4 Bits Minimum (All

Gains, All OSR Combinations)

? Wide Input Voltage Range: 0V to AVDD

? Selectable Internal 2.4V Voltage Reference with

15 ppm/°C Drift

? Differential Voltage Reference Inputs

? Internal Oscillator or External Clock Selection

? Ultra-Low Full Shutdown Current Consumption

(< 2.4 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

? 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: 2 mm x 2 mm x 0.55 mm 12-Lead UQFN

Applications

? Precision Sensor Transducers and Transmitters:

Pressure, Strain, Flow and Force Measurement

? Factory Automation and Process Controls

? Portable Instrumentation

? Temperature Measurements