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AS1716 Fiches technique(PDF) 4 Page - ams AG |
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AS1716 Fiches technique(HTML) 4 Page - ams AG |
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4 / 12 page ![]() www.austriamicrosystems.com/Capacitive-Sensors/AS1716 Revision 1.02 4 - 12 AS1716 Datasheet - Electrical Character i s t ics 6 Electrical Characteristics Parameters are measured at VDDA = 4.5V to 5.5V, RLOAD = 100 Ω serial to CLOAD = 10nF, TA = +25ºC and are refering to VSSA, unless other- wise specified. Typical values are listed for reference only and will not be tested. All limits are guaranteed. The parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality Control) methods. Table 3. Electrical Characteristics Symbol Parameter Condition Min Typ Max Unit TAMB Operating Temperature Range -45 +125 °C DC Electrical Characteristics VDDA Supply Voltage Range @ pin VDDA 4.5 5 5.5 V IDDA Supply Current @ pin VDDA 3 4.5 9 mA PSRR 1 1. Guaranteed by design Power Supply Rejection Ratio 6 dB VCM Common Mode input Range @ pins INN, INP VSSA VDDA V CMRR Common Mode Rejection Ratio 55 dB RIN Differential Input Resistance between pins INN and INP 70 100 130 k Ω VREF Internal Common Mode Input Voltage INP shorted to INN VDDA/2 - 2% VDDA/2 VDDA/2 +2% V VOFF Offset Voltage Gain1, VINP = VINN @ VCM = VDDA/2, @ pin OUT VREF - 10 VREF +10 mV VIL Logic Low (GA, GB) @ pin GA and GB 1.2 V VIH Logic High (GA, GB) @ pin GA and GB 2.0 V ILEAK Leakage Current (GA, GB) VDDA = 5V, Gain4 1 µA VHYST 1 Hysteresis @ pin GA and GB 100 200 mV RPD Pull-Down Resistor @ pin GA and GB 50 100 150 k Ω Gain0.5 Overall gain 0.5 GA = GB = 1 0.5-10% 0.5 0.5+10% Gain1 Overall gain 1 GA = 1, GB = 0 1-10% 1 1+10% Gain2 Overall gain 2 GA = 0, GB = 1 2-5% 2 2+5% Gain4 Overall gain 4 GA = GB = 0, default setting 4-5% 4 4+5% RL External Serial Resistor RL serial to CL (see Figure 13 on page 8) 100 1k Ω CL External Capacitive Load 0.01 10 nF ISHORT+ Positive Short Circuit Current VOUT is driven to VDDA and VOUT is connected to VSSA 25 mA ISHORT- Negative Short Circuit Current VOUT is driven to VSSA and VOUT is connected to VDDA 25 mA VOUT-L Output Range Low @ pin VOUT VSSA+0 .05 V VOUT-H Output Range High @ pin VOUT VDDA- 0.05 V AC Electrical Characteristics fC Filter Cut-off Frequency VDDA = 4.5V, GA = GB = 0, INP-INN = 1VPP, fIN = 16kHz and 29kHz 16 23 29 kHz THD Total Harmonic Distortion VDDA = 5V, fIN = 1kHz, INP-INN = 8VPP, Gain0.5 80 dB VNOISE RMS noise at OUT Gain4, fC = 50Hz - 23kHz 1 mVRMS |
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