LDC2114YFDR datasheet(3/49 Pages) TI1

Part #	LDC2114YFDR

Description	Inductive Touch Solution for Low-Power HMI and Button Applications

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Manufacturer	TI1 [Texas Instruments]

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A

B

C

D

1

2

3

4

LPW

RB

SDA

OUT1

OUT0

SCL

COM

GND

NC

ADDR

INTB

NC

VDD

NC

IN1

IN0

LPWRB

SDA

OUT1

OUT0

SCL

COM

GND

NC

ADDR

INTB

NC

VDD

NC

IN1

IN0

3

4

5

6

7

8

9

10

11

12

13

14

15

16

1

2

LDC2112

3

LDC2112, LDC2114

www.ti.com

SNOSD15 – DECEMBER 2016

Product Folder Links: LDC2112 LDC2114

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5 Pin Configuration and Functions

LDC2112

16-Pin WCSP

Top View (Bumps Down)

LDC2112

16-Pin TSSOP

Top View

(1)

I = Input, O = Output, P=Power, G=Ground, A=Analog

(2)

Both pins should be connected to the system ground on the PCB.

Pin Functions - LDC2112

I/O(1)

DESCRIPTION

NAME

NO.

VDD

C1

P

Power supply

GND

D1

G

Ground(2)

A4

INTB

B2

O

Interrupt output

Polarity can be configured in Register 0x11. Default is active low.

LPWRB

C2

I

Normal / Low Power Mode select

Set LPWRB to VDD for Normal Power Mode or ground for Low Power Mode.

COM

D2

A

Common return current path for all LC resonator sensors

A capacitor should be connected from this pin to GND. Refer to Setting COM Pin Capacitor.

IN0

A3

A

Channel 0 LC sensor input

IN1

A2

A

Channel 1 LC sensor input

OUT0

D4

O

Channel 0 logic output

Polarity can be configured in Register 0x1C.

OUT1

C4

O

Channel 1 logic output

Polarity can be configured in Register 0x1C.

ADDR

B3

I

I2C address

When ADDR = Low, I2C address = 0x2A. When ADDR = High, I2C address = 0x2B.

SCL

D3

I

I2C clock

SDA

C3

I/O

I2C data

NC

A1

—

No connect

Leave them floating.

B1

B4

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Texas Instruments	LDC2114YFDR	1Mb / 52P	[Old version datasheet] Inductive Touch Solution for Low-Power HMI Button Applications

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LDC2114YFDR Datasheet(PDF) 3 Page - Texas Instruments

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