LDC1612QDNTRQ1 datasheet(9/62 Pages) TI1

Part #	LDC1612QDNTRQ1

Description	Multi-Channel 28-Bit Inductance to Digital Converter (LDC) for Inductive Sensing

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Temperature (°C)

-40

-20

0

20

40

60

80

100

120

43.32

43.33

43.34

43.35

43.36

43.37

43.38

43.39

43.4

D009

VDD = 2.7 V

VDD = 3 V

VDD = 3.3 V

VDD = 3.6 V

VDD (V)

2.7

2.8

2.9

3

3.1

3.2

3.3

3.4

3.5

3.6

43.32

43.33

43.34

43.35

43.36

43.37

43.38

43.39

43.4

43.41

D010

-40°C

-20°C

0°C

25°C

50°C

85°C

100°C

125°C

9

LDC1612-Q1, LDC1614-Q1

www.ti.com

SNOSCZ8 – APRIL 2016

Product Folder Links: LDC1612-Q1 LDC1614-Q1

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Typical Characteristics (continued)

Common test conditions (unless specified otherwise): Sensor inductor: 2 layer, 32 turns/layer, 14 mm diameter, PCB inductor

with L=19.4 µH, RP=5.7 kΩ at 2 MHz; Sensor capacitor: 330 pF 1% COG/NP0; Target: Aluminum, 1.5mm thickness; Channel

= Channel 0 (continuous mode); CLKIN = 40 MHz, CHx_FIN_DIVIDER = 0x1, CHx_FREF_DIVIDER = 0x001, CH0_RCOUNT

= 0xFFFF, SETTLECOUNT_CH0 = 0x0100, RP_OVERRIDE = 1, AUTO_AMP_DIS = 1, DRIVE_CURRENT_CH0 = 0x9800

–40°C to +125°C

Figure 8. Internal Oscillator Frequency vs. Temperature

Data based on 1 unit

Figure 9. Internal Oscillator Frequency vs. VDD

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LDC1612QDNTRQ1 Datasheet(PDF) 9 Page - Texas Instruments

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