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AS8002 数据表(PDF) 7 Page - ams AG |
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AS8002 数据表(HTML) 7 Page - ams AG |
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7 / 25 page ![]() www.austriamicrosystems.com/AS8002 Revision 1.1 6 - 24 AS8002 Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s 6 Electrical Characteristics 6.1 Operating Conditions 6.2 Block Electrical Characteristics AVDD=3.0V to 3.6V, TAMB= -40 to +125ºC. Typical values at TAMB= +25ºC and AVDD=3.3V (unless otherwise specified). Table 3. Operating Conditions Symbol Parameter Conditions Min Typ Max Units AVDD Positive analog supply voltage 3.0 3.3 3.6 V AVSS Negative analog supply voltage 00 V A - D Difference of supplies AVDD – DVDD AVSS – DVSS -0.1 0.1 V DVDD Positive digital supply voltage 3.0 3.3 3.6 V DVSS Negative digital supply voltage 00 V TAMB Ambient temperature -40 25 125 ºC ISUPP Supply current 5mA Table 4. Block Electrical Characteristics Symbol Parameter Conditions Min Typ Max Units ADC DC Accuracy RES Resolution 12 Bits INL Integral Nonlinearity -0.99 +0.99 LSB DNL Differential Nonlinearity Guaranteed No Missed Codes to 12 Bits -0.99 +0.99 LSB OFS Offset Error ±0.6 ±4 LSB OFSM Offset Error Match ±0.1 LSB GAIN Gain Error ±4 LSB GAINM Gain Error Match ±0.1 LSB ADC Dynamic Specifications fIN=10 kHz Sine Wave Input SINAD Signal to Noise = Distortion Ratio fIN = 10kHz 71 dB SNR Signal-to-Noise Ratio 72 dB THD Total Harmonic Distortion -78 dB SFDR Spurious-Free Dynamic Range 84 dB CCISOL Channel-to-Channel Isolation fIN = 40kHz -79 dB FPBW Full Power Bandwidth at 3dB 35 MHz FLBW at 0.1dB 3.6 ADC Analog Inputs of the Analog-to-Digital Converter VX+ – VX- Differential Input Voltage Ranges -VREF VREF V VCMIN Input Common Mode Voltage VREF/2 VDD- VREF/2 V AILEAK DC Leakage Current -1 +1 µA AIIZT Input Capacitance Track mode TBD pF AIIZH Hold mode TBD pF ADC Conversion Rate tCONV Conversion Time Running from the internal oscillator 10 µs |
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