MC34940EG Freescale Semiconductor, MC34940EG Datasheet
MC34940EG
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MC34940EG Summary of contents
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... Patient Monitoring • Point of Sale Terminals • Size Detection • Liquid Level Sensing ORDERING INFORMATION Device Name Temperature Range MC34940EG/ 90°C © Freescale Semiconductor, Inc., 2006. All rights reserved. Drawing Package CASE 751E-04 SOICW-24 Document number: MC34940 Rev 4, 11/2006 MC34940 ELECTRONIC FIELD ...
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... CONTROL LOGIC 2.8 kΩ 2.8 kΩ MUX 22 kΩ (Nominal) OUT MUX 700 Ω IN Ω 700 V CC REG V DD REG Figure 1. Simplified Functional Block Diagram ROSC OSC SHIELDEN 150 Ω SHIELD RECT LPCAP LPF GAIN AND OFFSET LEVEL Freescale Semiconductor Sensors ...
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... Thermal resistance between the die and the printed circuit board per JEDEC JESD51-8. Board temperature is measured on the top surface of the board near the package. 4. Terminal soldering temperature limit is for 10 seconds maximum duration. The device is not designed for immersion soldering. Exceeding these limits may cause malfunction or permanent damage to the device. Sensors Freescale Semiconductor = 1500 Ω) = 4.0 pF) ZAP Symbol Value ...
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... THH V – HYS -5.0 DET – 3.6 REC V -3.3 RECOFF Typ Max Unit 7.0 8.0 % – 3.0 dB -20 – V – 8.0 – 9 – 5.0 – – – 0 0.06 – µA – 50 – 5.0 50 – kΩ 4.0 4 -3.0 -2.7 V Sensors Freescale Semiconductor ...
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... Shield Driver Maximum Harmonic level below Fundamental 10 pF ≤ C ≤ 500 pF LOAD Shield Driver Gain Bandwidth Product Measured at 120 kHz Sensors Freescale Semiconductor ≤ 0°C ≤ T ≤ 90°C, GND = 0 V unless otherwise noted. Typical A SUP = 25°C under nominal conditions unless otherwise noted. A ...
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... Dielectric Material Acrylic Glass Nylon Plastic Polyester Film Flexible Vinyl Film Air d k Water Ice Automotive Oil Low Pass Filter Detected Signal Level Decreases with Increasing Capacitance Thickness (mil) k 84.5 2.4-4.5 74.5 7.5 68 3.0-5.0 10 3.2 9 2.8-4 3.2 - 2.1 Freescale Semiconductor Sensors ...
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... Figure 4. Output Voltage vs. Capacitance at 3 Discrete Frequencies Sensors Freescale Semiconductor at ROSC respectively wider capacitance range is needed, simply change the ROSC resistor value to 82k to have the signal generator operate at 60 kHz which will extend the capacitance range to 150 pF as seen on figure also shows that one can achieve higher sensitivity at lower capacitances by setting the ROSC resistor value to 20k ...
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... A 47 µF capacitor is connected to this pin to filter the internal digital regulated supply Connected to the ground return of the AGND analog circuitry Connects to cable shields to cancel cable capacitance. Main IC ground GND Connect to circuit ground TEST Electrode pins E1–E7 39k 10 nF Field Electrodes (E1 through E7) Freescale Semiconductor Sensors ...
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... Sensors Freescale Semiconductor PACKAGE DIMENSIONS EG SUFFIX CASE 751E-04 ISSUE F PAGE MC34940 9 ...
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... MC34940 10 PACKAGE DIMENSIONS EG SUFFIX CASE 751E-04 ISSUE F PAGE PAGE Sensors Freescale Semiconductor ...
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... Sensors Freescale Semiconductor MC34940 11 ...
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... Freescale Semiconductor product could create a situation where personal injury or death may occur. Should a Buyer ...