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| TDE0160 Proximity Detectors Features Supply Voltage +4 to +36V Supply Current < 1.2mA Loss Resistance 5 to 50k Oscillator Frequency < 1MHz Output Transistors I = 20mA, VCE(sat) 1.1V SO14 Description The TDE0160 is designed to detect metal bodies by the effect of Eddy currents on the HF losses of a coil. It has two complementary open collector outputs with peak limiting. Hysteresis is adjustable, and an electronic switching circuit is incorporated for disabling both outputs. An internal zener diode maintains the supply voltage to the circuit in "dipole" operation. Schematic Diagram November 2005 Rev 2 1/18 www.st.com 18 TDE0160 Contents 1 2 Internal schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 4 5 6 Operating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Typical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Package Mechanical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2/18 TDE0160 1 Internal schematic diagram 1 Figure 1. Internal schematic diagram Pin connection diagram (top view) 3/18 2 Electrical ratings TDE0160 2 Electrical ratings Table 1. Symbol VCC VO IO (I1 - I3) IZ TJ Toper Tstg Supply Voltage Output Voltage (1) Output Current (I1 - I3) Zener Current Junction Temperature Ambient Temperature Range Storage Temperature Range Absolute maximum ratings Parameter Value 36 36 40 40 +150 -25 to 85 -65 to 150 Unit V V mA mA C C C 1. Internal peak limiting to protect against transient voltage surges. 2.1 Electrical characteristics Tamb = +25C, unless otherwise specified. Table 2. Symbol VCC VZ ICC VLIM VSAT ILEAK VTH Rn HYST PHYST fOSC FSW TD TRE Electrical Characteristcs Parameter Supply Voltage Zener Voltage Supply Current Limiting Output Transistor Saturation Voltage Output Transistor Leakage Current Switching Threshold Negative Resistance Inherent Hysteresis Programmed Hysteresis Oscillation Frequency Switching Frequency Switching Time-delay Switching Response Time Cd = 10nF, V CC = +20V (with matched oscillator circuit) 750 0.5Cd (F) 10 (2) Test conditions Pin 11 Min. 4 3 Typ. Max. 36 4 1.2 Unit V V mA V IZ = 20mA I = 0.1mA I1 or I3 = +20mA V = +30V 9 - 11 11 1 or 3 1 or 3 1 or 3 12 42 0.9 1.1 2 90 110 Rn = RH 1 Rs Rs + RH 1 2 130 V A mV 5k < RH < 50k, f = 100kHz, RS = 0 R2 = 0 H < 15% % % MHz Hz s s Note: 4/18 2. See Characteristics Curves TDE0160 3 Operating Mode 3 Operating Mode If IC exceeds ICO = V(ref) / R d the switch cuts off the output transistor and tests the value of current IC, with time costant 0.5C d On power up the internal start system cuts off the output transistors until VCC reaches a value permitting normal operation of the circuit. Figure 2. Switching Operation 5/18 3 Operating Mode TDE0160 Figure 4. Zener voltage vs Junction Temp. Figure 3. Negative resistence vs Frequency Figure 5. Switching threshold vs Junction temperature Figure 6. Negative resistance vs Junction temperature 6/18 TDE0160 Figure 7. Loss resistance vs Detection Range 3 Operating Mode Figure 8. MILD Steel 7/18 4 Typical Applications TDE0160 4 Table 3. Typical Applications Component Values (see figures 9, 10, 11) Symbol CA Cf Cd CO LO Rd RH RS RL VCC fO Value 10 1 10 390 65H to 1MHz 10 15 3 2.5 20 ~1 2.5 14 432FP 15 x 5/100 k k k k V MHz mm mm Unit nF nF nF pF Core COFELEC Straded wire 8/18 e mean coil TDE0160 Figure 9. Application Scheme (A) 4 Typical Applications 9/18 TDE0160 Figure 10. Application Scheme (B) 10/18 TDE0160 Figure 11. Application Scheme (C) 4 Typical Applications 11/18 5 Package Mechanical Data TDE0160 5 Table 4. Package Mechanical Data SO14 Mechanical Data mm. Dim. MIN. A A1 A2 B C D E e H h L k ddd 5.8 0.25 0.4 0 1.35 0.1 1.10 0.33 0.19 8.55 3.8 1.27 6.2 0.50 1.27 8 0.100 0.228 0.010 0.016 0 TYP MAX. 1.75 0.25 1.65 0.51 0.25 8.75 4.0 MIN. 0.053 0.004 0.043 0.013 0.007 0.337 0.150 0.050 0.244 0.020 0.050 8 0.004 TYP. MAX. 0.069 0.010 0.065 0.020 0.010 0.344 0.157 inch Figure 12. Package Dimension 12/18 TDE0160 5 Package Mechanical Data Table 5. Tube Shipment Information Tube Mechanical Data mm. A B C D E BASE QUANTITY BULK QUANTITY 6.60 0.10 1.90 0.10 0.60 0.10 7.80 0.10 4.30 0.10 100 pcs. 2000 pcs. inch. 0.260 0.004 0.075 0.004 0.024 0.004 0.307 0.004 0.169 0.004 Figure 13. Tube Dimension 13/18 5 Package Mechanical Data TDE0160 Table 6. Tape & Reel Shipment Information TAPE MECHANICAL DATA mm. D E Po T max. D1 min. F K max. P2 R W P1 Ao, Bo, Ko 1.50 +0.1/0 1.75 0.1 4.00 0.1 0.40 1.50 7.5 0.05 6.50 2.00 0.05 40 16.00 0.30 12.00 0.05 min to 0.90 max. inch 0.059 +0.004/0 0.069 0.004 0.157 0.004 0.016 0.059 0.295 0.002 0.256 0.079 0.002 1.575 0.630 0.012 0.472 0.002 min to 0.035 max. Figure 14. Tape Specification 14/18 TDE0160 Table 7. Reel Mechanical Data mm. Tape size A max. B min. C D min. N min. G T max. 16.0 0.30 330.0 1.5 13.0 0.20 20.2 60 16.4 +2/-0 22.4 5 Package Mechanical Data inch 0.630 0.012 12.992 0.059 0.512 0.008 0.795 2.362 0.646 +0.079/-0 0.882 Figure 15. Tape & Reel Shipment Information 15/18 6 Order codes TDE0160 6 Order codes Part number TDE0160FP TDE0160FPT Temp range 150C 150C Package SO14 SO14 Packing Tube Tape and Reel 16/18 TDE0160 7 Revision history 7 Revision history Date 18-Nov-2005 Revision 2 Final release. Changes 17/18 7 Revision history TDE0160 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners (c) 2005 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 18/18 |
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