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MC34911BACR2 Datasheet(PDF) 11 Page - Freescale Semiconductor, Inc |
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MC34911BACR2 Datasheet(HTML) 11 Page - Freescale Semiconductor, Inc |
11 / 45 page Analog Integrated Circuit Device Data Freescale Semiconductor 11 33911 ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS L1 AND L2 INPUT PINS (L1, L2) Low Detection Threshold 5.5V < VSUP < 27V VTHL 2.0 2.5 3.0 V High Detection Threshold 5.5V < VSUP < 27V VTHH 3.0 3.5 4.0 V Hysteresis 5.5V < VSUP < 27V VHYS 0.5 1.0 1.5 V Input Current(37) -0.2V < VIN < VS1 IIN -10 – 10 µA Analog Input Impedance(38) RLxIN 800 1550 – k Ω Analog Input Divider Ratio (RATIOLx = VLx / VADOUT0) LXDS (Lx Divider Select) = 0 LXDS (Lx Divider Select) = 1 RATIOLx 0.95 3.42 1.0 3.6 1.05 3.78 Analog Output offset Ratio LXDS (Lx Divider Select) = 0 LXDS (Lx Divider Select) = 1 VRATIOLx- OFFSET -80 -22 0.0 0.0 80 22 mV Analog Inputs Matching LXDS (Lx Divider Select) = 0 LXDS (Lx Divider Select) = 1 LxMATCHING 96 96 100 100 104 104 % WINDOW WATCHDOG CONFIGURATION PIN (WDCONF) External Resistor Range REXT 20 – 200 k Ω Watchdog Period Accuracy with External Resistor (Excluding Resistor Accuracy)(39) WDACC -15 – 15 % ANALOG MULTIPLEXER Internal Chip Temperature Sense Gain STTOV – 10.5 – mV/K VSENSE Input Divider Ratio (RATIOVSENSE = VVSENSE / VADOUT0) 5.5V < VSUP < 27V RATIOVSENSE 5.0 5.25 5.5 VSENSE Output Related Offset -40°C < TA < -20°C OFFSETVSENSE -30 -45 – – 30 45 mV ANALOG OUTPUT (ADOUT0) Maximum Output Voltage -5mA < IO < 5mA VOUT_MAX VDD -0.35 – VDD V Minimum Output Voltage -5mA < IO < 5mA VOUT_MIN 0.0 – 0.35 V Notes 37. Analog Multiplexer input disconnected from Lx input pin. 38. Analog Multiplexer input connected to Lx input pin. 39. Watchdog timing period calculation formula: tPWD [ms] = 0.466 * (REXT - 20) + 10 (REXT in kΩ) Table 3. Static Electrical Characteristics (continued) Characteristics noted under conditions 5.5V ≤ V SUP ≤ 18V, -40°C ≤ TA ≤ 125°C for the 33911 and -40°C ≤ TA ≤ 85°C for the 34911, unless otherwise noted. Typical values noted reflect the approximate parameter mean at TA = 25°C under nominal conditions, unless otherwise noted. Characteristic Symbol Min Typ Max Unit |
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