TDA0161 데이터 시트보기 (PDF) - STMicroelectronics

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TDA0161

PROXIMITY DETECTORS

STMicroelectronics 

4 Typical Applications

4 Typical Applications

Figure 3. Application Interface Connection Diagram

TDA0161

Table 3. Detection Range

Detection Range (#)

L1 (µH)

2mm

5mm

30 (1)

300 (2)

10mm

2160 (3)

C1 (pF)

120

470

4700

fOSC (kHz)

2650

425

50

R1 (kΩ)

6.8

27

27

C2 (pF)

47

470

3300

Table 4. Coil Characteristics

Core

Coil Former

Wire (##)

1

Cofelec 432 FP 9 x 5 SE 1/2 Car 091 - 2 THOMSON Fils et Câbles

2

Cofelec 432 FP 14 x 8 SE 1/2 Car 142 - 2

Thomrex 14

3

Cofelec 432 FP 26x 16 SE 1/2 Car 262 - 2

(14 / 100mm)

Number of Turns

40

100

200

#) _.Ingot steel target

##).The above results are obtained with single wire coil. When using Litz wire instead of single wire, the parallel resistance of

the coil becomes higher and value of R1 may be increased, resulting in better sensitivity

6/12

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