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TLE9832 Datasheet(PDF) 79 Page - Infineon Technologies AG |
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TLE9832 Datasheet(HTML) 79 Page - Infineon Technologies AG |
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79 / 94 page ![]() TLE9832 Electrical Characteristics Data Sheet 79 Rev. 1.1, 2012-03-08 5.8 Measurement Unit 5.8.1 Analog Digital Converter 8-Bit 5.8.2 Measurement Unit (VBAT_SENSE - Supply Voltage Attenuator) Table 30 DC Specifications ADC 8 Bit V S = 5.5 V to 27 V, Tj = -40° C to +150 °C, all voltages with respect to ground, positive current flowing into pin (unless otherwise specified) Parameter Symbol Values Unit Note / Test Condition Number Min. Typ. Max. Resolution – – 8 – Bit – P_5.8.1 Offset error – -10 4 +10 mV – P_5.8.2 Gain single-ended input mode GSE – 1 – – P_5.8.3 Input voltage single-ended mode V ainp,Vainn 0– V DD1V5_A V – P_5.8.4 Gain differential input mode GDF 1.24 – – – P_5.8.5 Common input voltage in differential mode V icm 0.5 0.6 V DDP/2 +0.1 –Vicm=(Vainp + Vainn)/2 P_5.8.6 Gain error – -5 1.5 +5 %FSR – P_5.8.7 Differential nonlinearity (DNL) – -1.5 0.5 +1.5 LSB – P_5.8.8 Integral Nonlinearity (INL) – -3 ±1.5 3 LSB – P_5.8.9 Table 31 Supply voltage signal conditioning V S = 5.5 V to 27 V, Tj = -40° C to +150 °C, all voltages with respect to ground, positive current flowing into pin (unless otherwise specified) Parameter Symbol Values Unit Note / Test Condition Number Min. Typ. Max. Battery Voltage Measurement V BAT_SENSE Nominal operating input voltage range1) V S/BAT_SENSE 3 – 20 V Max. value corresponds to typ. ADC full scale input P_5.8.10 Measurement input resistance R in,VS/VBAT_SENS E 200 289 380 kΩ PD_N=1 (on-state) P_5.8.11 Measurement input leakage current I leak 0 – 1.0 µA PD_N=0 (off-state), VBAT_SENSE=13.5V P_5.8.12 Overall (calibrated) measurement accuracy after A/D-conversion2) VBAT_SENSE / Vs 8-bit ADC ∆VBATADC8B -250 – 250 mV V s= 5.5V to 18V, T j = 40..85°C P_5.8.13 VBAT_SENSE / Vs 10-bit ADC ∆VBATADC10B -200 – 200 mV V s= 5.5V to 18V, T j = 40..85°C P_5.8.14 |
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