MCP3462 datasheet(1/108 Pages) MICROCHIP

Part #	MCP3462

Description	Two/Four/Eight-Channel, 153.6 ksps, Low Noise, 16-Bit Delta-Sigma ADC

PDF	108 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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 2019-2021 Microchip Technology Inc.

DS20006180D-page 1

MCP3461/2/4

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-channel, 16-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 MCP3461/2/4 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 sequences without needing

MCU communications. Advanced security features,

such as CRC and register map lock, can ensure config-

uration locking and integrity, as well as communication

data integrity for secure environments.

These devices come with a 20 MHz SPI-compatible

serial interface. Communication is largely simplified

with 8-bit commands, including various continuous

Read/Write modes and 16/32-bit multiple data formats

that can be accessed by the Direct Memory Access

(DMA) of an 8-bit, 16-bit or 32-bit MCU.

The MCP3461/2/4 devices are available in a leaded

20-lead TSSOP package, as well as in an ultra-small

3 mm x 3 mm 20-lead UQFN package and are

specified over an extended temperature range, from

-40°C to +125°C.

Applications

• Precision Sensor Transducers and Transmitters:

Pressure, Strain, Flow and Force Measurement

• Factory Automation and Process Controls

• Portable Instrumentation

• Temperature Measurements

Two/Four/Eight-Channel, 153.6 ksps, Low Noise,

16-Bit Delta-Sigma ADC

Similar Part No. - MCP3462

Manufacturer	Part #	Datasheet	Description
Microchip Technology	MCP3462	2Mb / 108P	Two/Four/Eight-Channel, 153.6 ksps, Low Noise, 16-Bit Delta-Sigma ADC 02/28/20
	MCP3462R	2Mb / 118P	Two/Four/Eight-Channel, 153.6 ksps, Low-Noise, 16-Bit Delta-Sigma ADCs with Internal Voltage Reference 02/28/20
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