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LDC2112YFDR +BOM

2-Ch inductance to digital converter with baseline tracking for low power touch buttons

Produttore:

Texas Instruments, Inc
ProduttorePart #:

LDC2112YFDR
Scheda dati:

LDC2112YFDR Scheda dati (PDF)
Applications:

Inductive touch buttons
Number Of Input Channels:

2
Vs (max) (V):

1.89
Vs (min) (V):

1.71
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per LDC2112YFDR

LDC2112YFDR Descrizione generale

Featuring the LDC2112/LDC2114 multi-channel low-noise inductance to digital converter, this device integrates advanced algorithms to support inductive touch applications with precision and efficiency. With an innovative LC resonator, the LDC2112/LDC2114 provides high rejection of noise and interference, delivering accurate detection of material deflections as small as 200 nm. Moreover, it includes an ultra-low power mode ideal for power on/off buttons in battery-powered devices

Caratteristiche principali

Low Power Consumption:
- One Button: 6 µA at 0.625 SPS
- Two Buttons: 72 µA at 20 SPS
Configurable Button Scan Rates:
- 0.625 SPS to 80 SPS
Force Level Measurement of Touch Buttons
Independent Channel Operation:
- Two Channels for LDC2112
- Four Channels for LDC2114
Integrated Algorithms to Enable:
- Adjustable Force Threshold per Button
- Environmental Shift Compensation
- Simultaneous Button Press Detection
Supports Independent Operation without MCU
Robust EMI Performance:
- Allows for CISPR 22 and CISPR 24 Compliance
Operating Voltage Range: 1.8 V ± 5%
Temperature Range: –40 °C to +85 °C
Interface:
- I²C
- Dedicated Logic Output per Channel

Specifiche

Applications	Inductive touch buttons	Number of input channels	2
Vs (max) (V)	1.89	Vs (min) (V)	1.71
Rating	Catalog	Operating temperature range (°C)	-40 to 85
feature-type	Capacitive	feature-number-of-channels-per-chip	2
feature-resolution-bit	12	feature-maximum-sensing-capacitance-nf	0.017
feature-maximum-load-capacitance-pf		feature-process-technology
feature-interface-type	I2C	feature-minimum-operating-supply-voltage-v	1.71
feature-maximum-operating-supply-voltage-v	1.89	feature-packaging	Tape and Reel
feature-pin-count	16	feature-cecc-qualified
feature-esd-protection		feature-military	No
feature-aec-qualified	No	feature-aec-qualified-number
feature-auto-motive	No	feature-p-pap	No
feature-eccn-code	EAR99	feature-svhc	No
feature-svhc-exceeds-threshold	No

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