MCP2036 datasheet(2/30 Pages) MICROCHIP

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MCP2036

DS22186B-page 2

1.0

FUNCTIONAL DESCRIPTION

The MCP2036 measures a sensor coil’s impedance by

exciting the coil with a pulsed DC current and

measuring the amplitude of the resulting AC voltage

waveform. The drive current is generated by the

on-chip current amplifier/driver which takes the

high-frequency triangular waveform present on the

DRVIN input, and amplifies it into the pulsed DC current

for exciting the series combination of the sensor coils.

The AC voltages generated across the coils, are then

capacitively coupled into the LBTN and LREF inputs.

An input resistance of 2K between the inputs and the

virtual ground offsets the AC input voltages up to the

signal ground generated by the reference voltage

generator, as shown in Figure 1-1.

FIGURE 1-1:

MCP2036 Block Diagram

Voltage

Reference

REFSEL

VDETOUT

DRVIN

CLK

DRVOUT

LBTN

LREF

VREF

VDD

VSS

0

1

Input MUX

CS

Key Inductor Driver

Mixer

VDET+

VDET-

+

-

10K

Op. Amp. Block

Số phần tương tự - MCP2036

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Microchip Technology	MCP2030	1Mb / 66P	Three-Channel Analog Front-End Device 2005
	MCP2030-I/P	1Mb / 66P	Three-Channel Analog Front-End Device 2005
	MCP2030-I/SL	1Mb / 66P	Three-Channel Analog Front-End Device 2005
	MCP2030-I/ST	1Mb / 66P	Three-Channel Analog Front-End Device 2005
	MCP2030A	1Mb / 74P	Three-Channel Analog Front-End Devicewith 1 mVPP Input Detection Sensitivity 2011

More results

Mô tả tương tự - MCP2036

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Microchip Technology	MCP2030	1Mb / 66P	Three-Channel Analog Front-End Device 2005
	MCP2030	958Kb / 66P	Three-Channel Analog Front-End Device 2005-2013
	MCP2030A-I	1Mb / 66P	Three-Channel Analog Front-End Device 08/24/05
	MCP2035	1Mb / 68P	Analog Front-End Device for BodyCom Applications 11/29/11
STMicroelectronics	TDA7521	95Kb / 11P	Analog Front End
DATEL, Inc.	ADCDS-1801LC-C	138Kb / 1P	Analog Front End
DATEL, Inc.	ADCDS-1603LEX-C	110Kb / 1P	Analog Front End
Shenzhen Huazhimei Semi...	HM1001	486Kb / 9P	Infrared sensor analog front end dedicated chip
DATEL, Inc.	ADCDS-1603LC-C	138Kb / 1P	Analog Front End
Texas Instruments	VSP2590	583Kb / 36P	[Old version datasheet] DUAL-CHANNEL IMAGE SENSOR ANALOG FRONT-END

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MCP2036 bảng dữ liệu(PDF) 2 Page - Microchip Technology

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Số phần tương tự - MCP2036

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