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ADC121S625 Arkusz danych(PDF) 5 Page - Texas Instruments |
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ADC121S625 Arkusz danych(HTML) 5 Page - Texas Instruments |
5 / 31 page ADC121S625 www.ti.com SNAS294B – MAY 2005 – REVISED MARCH 2013 ADC121S625 Converter Electrical Characteristics (1) (continued) The following specifications apply for VA = +4.5V to 5.5V, VREF = 2.5V, fSCLK = 0.8 to 3.2 MHz, fIN = 20 kHz, CL = 100 pF, unless otherwise noted. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25°C. Units Symbol Parameter Conditions Typical Limits (2) DIGITAL OUTPUT CHARACTERISTICS VA = 4.5V to 5.5V, ISOURCE = 250 µA VA − 0.05 VA − 0.2 V (min) VOH Output High Voltage VA = 4.5V to 5.5V, ISOURCE = 2 mA VA − 0.1 V VA = 4.5V to 5.5V, ISINK = 250 µA 0.02 0.4 V (max) VOL Output Low Voltage VA = 4.5V to 5.5V, ISOURCE = 2 mA 0.1 V IOZH, IOZL TRI-STATE Leakage Current ±0.03 ±1 µA (max) COUT TRI-STATE Output Capacitance 2 4 pF (max) Output Coding Binary 2'S Complement POWER SUPPLY CHARACTERISTICS 4.5 V (min) VA Analog Supply Voltage 5.5 V (max) fSCLK = 3.2 MHz, fSMPL = 200 ksps, 410 510 µA (max) fIN = 20 kHz, CL = 15pF fSCLK = 3.2 MHz, fSMPL = 12.5 ksps, CL = 15pF, Power Down between 31 µA Supply Current, Normal Mode conversions IA Active (Operational) fSCLK = 0.8 MHz, fSMPL = 50 ksps, CL 242 µA = 15pF fSCLK = 0.2 MHz, fSMPL = 12.5 ksps, 200 µA CL = 15pF (3) fSCLK = 0 0.01 2 µA (max) IA Shutdown Supply Current, Shutdown (CS high) fSCLK = 3.2 MHz 6 µA fSCLK = 3.2 MHz, fSMPL = 200 ksps, 2.25 2.8 mW (max) fIN = 20 kHz, CL = 15pF fSCLK = 3.2 MHz, fSMPL = 12.5 ksps, CL = 15pF, Power Down between 0.18 mW Power Consumption, Normal Mode conversions PWR Active (Operational) fSCLK = 0.8 MHz, fSMPL = 50 ksps, CL 1.33 mW = 15pF fSCLK = 0.2 MHz, fSMPL = 12.5 ksps, 1.1 mW CL = 15pF (3) fSCLK = 0 0.06 11 µW (max) Power Consumption, Shutdown (CS PWR Shutdown high) fSCLK = 3.2 MHz 33 µW Offset Change with 1.0V change in 71 dB VA PSRR Power Supply Rejection Ratio Gain Error Change with 1.0V change 83 dB in VA AC ELECTRICAL CHARACTERISTICS fSCLK Maximum Clock Frequency 4.8 3.2 MHz (min) fSCLK Minimum Clock Frequency 200 800 kHz (max) fS Maximum Sample Rate 300 200 ksps (min) SCLK cycles 1.5 (min) tACQ Track/Hold Acquisition Time SCLK cycles 2.0 (max) tCONV Conversion Time 12 12 SCLK cycles (3) While the maximum sample rate is fSCLK/16, the actual sample rate may be lower than this by having the CS rate being slower than fSCLK/16. Copyright © 2005–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: ADC121S625 |
Podobny numer części - ADC121S625_14 |
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Podobny opis - ADC121S625_14 |
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