MC33794EK Freescale Semiconductor, MC33794EK Datasheet
MC33794EK
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MC33794EK Summary of contents
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... Industrial Control and Safety Systems Security • Proximity Detection for Wake-Up Features • Touch Screens • Garage Door Safety Sensing • Liquid Level Sensing ORDERING INFORMATION Device Name Temperature Range (T MC33794EK/R2 -40°C to 85°C © Freescale Semiconductor, Inc., 2006. All rights reserved. Package ) Package A Drawing ...
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... All Resistor Values are Nominal) Figure 1. Simplified Functional Block Diagram CLK OSC R_OSC Ω SHIELD_EN Ω 150 SHIELD Ω 300 RECT LP_CAP LPF 10 nF GAIN AND OFFSET LEVEL ATTN SIGNAL LAMP_SENSE LAMP_MON LAMP CKT LAMP_OUT ISO-9141 ISO-9141 Freescale Semiconductor Sensors ...
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... SOICW-EP TERMINAL CONNECTIONS LAMP_GND LAMP_OUT LAMP_SENSE LAMP_MON SHIELD_EN SIGNAL PWR_MON LP_CAP V DD Table 1. SOICW-EP TERMINAL FUNCTION DESCRIPTION Terminal Terminal Formal Name Name 1 RST 2 WD_IN Watchdog connect 20–23, 31, 33, 34, 48–50 LAMP_GND Lamp Ground 6 LAMP_OUT Lamp Driver Sensors Freescale Semiconductor RST 1 54 WD_IN ...
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... Its path to the electrical current return point should be kept separate from the return for GND. This terminal connects to cable shields to cancel cable capacitance. Definition . It allows reduction of the PWR REG. It allows DD through internal V REG. DD PWR REG) and CC REG provides CC Sensors Freescale Semiconductor ...
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... ISO-9141 ISO-9141 Bus 54 LAMP_CTRL Lamp Control Sensors Freescale Semiconductor Definition This terminal and metal backing is the IC power return and thermal radiator/ conductor. This terminal is normally connected to circuit ground. There are special operating modes associated with this terminal when it is not at ground. ...
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... MAXIMUM RATINGS Symbol V PWRPK V DBLBAT V ESD1 V ESD2 T STG θ θ R θ SOLDER = 100 pF 1500 Ω). ZAP ZAP = 200 pF Ω). ZAP ZAP Value Unit 26.5 V ±2000 ±200 -55 to 150 °C - °C -40 to 150 °C °C/W 41 0.2 3.0 260 °C Sensors Freescale Semiconductor ...
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... ISO-9141 to ISO_IN kΩ 470 pF, 7.0 V ≤ VPWR ≤ Notes 6. Ratio to V PWR Sensors Freescale Semiconductor , -40°C T 85°C unless otherwise noted. Typical values noted 9.0 V ≤ VPWR ≤ ≤ ≤ 25°C under normal conditions unless otherwise noted. Voltages are relative A Symbol ...
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... Freescale Semiconductor Unit % µA kΩ Sensors ...
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... V PWR Notes 10. Verified by design and characterization. Not tested in production. 11. No external devices connected to internal voltage regulators. Sensors Freescale Semiconductor , -40°C T 85°C unless otherwise noted. Typical values noted 9.0 V ≤ VPWR ≤ ≤ ≤ 25°C under normal conditions unless otherwise noted. Voltages are relative ...
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... Internal OSC after 22 kΩ Internal Ground Reserved Min Typ Max – – 10 – 120 – ARM – – -20 – – -60 – -20 – – 4.5 – 9.0 – 250 9.0 – 50 3.0 – – Freescale Semiconductor Unit % kHz dB dB MHz Sensors ...
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... All of the coaxial cable shields should be isolated from ground and connected SHIELD. Sensors Freescale Semiconductor FUNCTIONAL DESCRIPTION INTRODUCTION voltage drop across the internal resistance. Objects brought into or out of the electric field change the current and resulting voltage at the IC terminal, which in turn reduces the voltage at LP_CAP and LEVEL ...
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... REG output (V ) has remained above a CC falls below the level at CC rises above a CC RST REGULATOR REGULATOR REG, which DD . Normal value DD Sensors Freescale Semiconductor ...
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... These reference voltages and the known capacitance values are then used with the electrode Sensors Freescale Semiconductor measurement voltage to determine the capacitance seen by the electrode. This method can be used to detect short- and long-term changes due to objects in the electric field and significantly reduce the effect of temperature-and time- induced changes ...
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... VDD ) VDD MON _ PWR_MON LAMP_MON ISO-9141 LAMP_SENSE ISO_IN SIGNAL ISO_OUT WD_IN REF_A RST REF_B LAMP_CTRL LAMP_GND TEST SHIELD_EN SHIELD GND R_OSC AGND 39 k Ω Figure 3. Example Application Diagram Ω µ F ISO-9141 Bus Monitor (Optional 100 Field E2 Electrodes E9 9 Freescale Semiconductor Sensors ...
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... Sensors Freescale Semiconductor PACKAGE DIMENSIONS EK SUFFIX CASE 1390-02 ISSUE C PAGE MC33794 15 ...
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... Sensors Freescale Semiconductor PACKAGE DIMENSIONS PAGE SUFFIX CASE 1390-02 ISSUE C PAGE MC33794 16 ...
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... Sensors Freescale Semiconductor PACKAGE DIMENSIONS PAGE PAGE SUFFIX CASE 1390-02 ISSUE C PAGE MC33794 17 ...
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... Freescale Semiconductor product could create a situation where personal injury or death may occur. Should Buyer ...