CA3228E HARRIS [Harris Corporation], CA3228E Datasheet
CA3228E
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CA3228E Summary of contents
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... Actuators are needed to convert the output signals into the mechanical action necessary to control vehicle speed. The CA3228 is supplied lead dual-in-line plastic package (E suffix). Refer to AN7326 for application information. Ordering Information PART NUMBER CA3228E 24 GND OUTPUT GATE 23 VACUUM CONTROL 22 VENT CONTROL 21 ...
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Absolute Maximum Ratings Supply Voltage +9.0V CC ...
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Electrical Specifications T = +25 A PARAMETERS Memory Set Error Deadband Range (VAC and VENT Outputs Off) Control Amplifier Gain D/A Voltage Range Functional Block Diagram COMMAND DRIVER COMMAND 3 DECODER AND COMMAND DELAY 4 ...
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NO BRAKE? NO COAST? YES NO > 25MPH? YES INPUT > 40ms? RELAX > 2 MPH? SERVO YES STILL COAST? NO ENABLE SERVO STORE PRESENT SPEED CRUISE YES COAST >40ms YES ACCEL > 40ms YES YES ...
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... OFF N S SPEED INPUT FREQUENCY 2.22 Hz/MPH ALL RESISTANCE VALUES ARE IN OHMS FIGURE 2. TYPICAL AUTOMOTIVE SPEED CONTROL APPLICATION 0.22 F +8.2V 1.2K 1.2K V VAC CC VENT CA3228E (SEE FIGURE 2) 620 4.7K 0.5W GATE ACCEL CRUISE VAC (Pin 22 VENT (Pin 21 GATE (pin 23 FIGURE 3. SOLENOID DRIVERS AND SERVO VACUUM CONTROL MECHANISM TYPICAL APPLICATION ...
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Device Description and Operation The functional block diagram and Figures 1, 2 show the speed- control flow chart, and a typical automotive speed- control application, respectively. Command Decoder and Delay Logics (Pins 3,4) Driver commands are input to pin 3 ...
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If the output from the Control Amplifier exceeds 0.573V vacuum is supplied to the servo unit. If the output of the Control Amplifier is between 0.573V CC vacuum ...
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DVR CMD 3 Q38 + Q38 - 147 I17 RESUME 18 Q36 - Q35 10 + I17 0.879 V CC ENABLE Q26 - 9 Q32 5 + I25 0.661 ACCEL V CC COAST Q31 ...
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CA3228 FIGURE 6. FUNCTIONAL BLOCK DIAGRAM FOR SPEED CONTROL 10-39 Q174 (Continued) ...