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 2018 Microchip Technology Inc.DS20005947B-page 1

MCP33131D/21D/11D-XX

Features

•Sample Rate (Throughput):

-MCP33131D/21D/11D-10: 1 Msps

-MCP33131D/21D/11D-05: 500kSPS

•16/14/12-Bit Resolution with No Missing Codes

•No Latency Output

•Wide Operating Voltage Range:

-Analog Supply Voltage (AVDD): 1.8V

-Digital Input/Output Interface Voltage (DV

IO):

1.7V - 5.5V

-External Reference (VREF): 2.5V - 5.1V

•Differential Input Operation

-Input Full-Scale Range: -VREF to +VREF

•Ultra Low Current Consumption (typical):

-During Input Acquisition (Standby): ~ 0.8 µA

-During Conversion:

MCP33131D/21D/11D-10: ~1.6mA

MCP33131D/21D/11D-05: ~1.4mA

•SPI-Compatible Serial Communication:

-SCLK Clock Rate: up to 100 MHz

•ADC Self-Calibration for Offset, Gain, and

Linearity Errors:

-During Power-Up (automatic)

-On-Demand via user’s command during

normal operation

•AEC-Q100 Qualified:

-Temperature Grade 1: -40°C to +125°C

•Package Options: MSOP-10 and TDFN-10

Typical Applications

•High-Precision Data Acquisition

•Medical Instruments

•Test Equipment

•Electric Vehicle Battery Management Systems

•Motor Control Applications

•Switch-Mode Power Supply Applications

•Battery-Powered Equipment

System Design Supports

The MCP331x1D-XX Evaluation Kit demonstrates the

performance of the MCP331x1D-XX SAR ADC family

devices. The evaluation kit includes: (a) MCP331x1D

Evaluation Board, (b) PIC32MZ EF Curiosity Board for

data collection, and (c) SAR ADC Utility PC GUI.

Contact Microchip Technology Inc. for the evaluation

tools and the PIC32 MCU firmware example codes.

Package Types

10

MSOP-10

AIN+

AVDD

AIN-

SDI

SCLK

1

2

3

4

9

8

7SDO

DVIO

VREF

TDFN-10

AIN+

AVDD

AIN-

SDI

SCLK

1

2

3

4

10

9

8

7SDO

DVIO

VREF

5 6GNDCNVST

56GND CNVST

Top View

Top View

MCP331x1D-XX Device Offering (Note 1):

Part Number ResolutionSample

Rate Input TypeInput Range

(Differential)

Performance (Typical)

SNR

(dBFS)

SFDR

(dB)

THD

(dB)

INL

(LSB)

DNL

(LSB)

MCP33131D-10 16-bit1 MspsDifferential±5.1V91.3103.5-99.3±2±0.8

MCP33121D-10 14-bit1 MspsDifferential±5.1V85.1103.5-99.2±0.5±0.25

MCP33111D-10 12-bit1 MspsDifferential±5.1V73.999.3-96.7±0.12±0.06

MCP33131D-05 16-bit500 kSPSDifferential±5.1V91.3103.5-99.3±2±0.8

MCP33121D-05 14-bit500 kSPSDifferential±5.1V85.1103.5-99.2±0.5±0.25

MCP33111D-05 12-bit500 kSPSDifferential±5.1V73.999.3-96.7±0.12±0.06

Note 1:SNR, SFDR, and THD are measured with f

IN= 10 kHz, VIN = -1 dBFS, VREF = 5.1V.

1 Msps/500 kSPS 16/14/12-Bit Differential Input SARADC

Produktspecifikationer