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ADC1175-50 Datasheet(PDF) 7 Page - Texas Instruments |
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ADC1175-50 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 27 page  ADC1175-50 www.ti.com SNAS027G – JANUARY 2000 – REVISED APRIL 2013 CONVERTER ELECTRICAL CHARACTERISTICS (continued) The following specifications apply for AVDD = DVDD = +5.0 VDC, PD = 0V, VRT = +2.6V, VRB = 0.6V, CL = 20 pF, fCLK = 50 MHz at 50% duty cycle. Boldface limits apply for TA = TMIN to TMAX; all other limits TA = 25°C (1)(2). Units Symbol Parameter Conditions Typical(3) Limits(3) (Limits) VRT Connected to VRTS, 1.89 (V (min) 2 VRB Connected to VRBS 2.20 V (max) VRTS – VRBS Self Bias Voltage Delta VRT Connected to VRTS, 2.3 V VRB Connected to AVSS 1.0 V (min) VRT – VRB Reference Voltage Differential 2 2.8 V (max) CONVERTER DYNAMIC CHARACTERISTICS fIN = 4.4 MHz, fCLK = 40 MHz 7.2 6.7 Bits (min) fIN = 19.9 MHz, fCLK = 40 MHz 7.0 6.4 Bits (min) ENOB Effective Number of Bits fIN = 1.3 MHz, fCLK = 50 MHz 7.3 Bits fIN = 4.4 MHz, fCLK = 50 MHz 7.2 Bits fIN = 24.9 MHz, fCLK = 50 MHz 6.8 6.1 Bits (min) fIN = 4.4 MHz, fCLK = 40 MHz 45 42 dB (min) fIN = 19.9 MHz, fCLK = 40 MHz 44 40 dB (min) SINAD Signal-to-Noise & Distortion fIN = 1.3 MHz, fCLK = 50 MHz 46 dB fIN = 4.4 MHz, fCLK = 50 MHz 45 dB fIN = 24.9 MHz, fCLK = 50 MHz 43 38.4 dB (min) fIN = 4.4 MHz, fCLK = 40 MHz 46 42.5 dB (min) fIN = 19.9 MHz, fCLK = 40 MHz 44 41 dB (min) SNR Signal-to-Noise Ratio fIN = 1.3 MHz, fCLK = 50 MHz 48 dB fIN = 4.4 MHz, fCLK = 50 MHz 45 dB fIN = 24.9 MHz, fCLK = 50 MHz 44 40 dB (min) fIN = 1.3 MHz 57 dB SFDR Spurious Free Dynamic Range fIN = 4.4 MHz 56 dB fIN = 24.9 MHz 51 dB fIN = 1.3 MHz −55 dB THD Total Harmonic Distortion fIN = 4.4 MHz −54 dB fIN = 24.9 MHz −51 dB POWER SUPPLY CHARACTERISTICS IADD Analog Supply Current DVDD = AVDD = 5.25V 13 mA IDDD Digital Supply Current DVDD = AVDD = 5.25V 11 mA DVDD = AVDD = 5.25V, fCLK = 50 MHz 25 36 mA (max) IADD + IDDD Total Operating Current DVDD = AVDD = 5.25V, CLK Inactive (low) 14 mA Power Consumption PD pin low 125 190 mW (max) Power Consumption PD pin high <5 mW mW CLK, PD DIGITAL INPUT CHARACTERISTICS VIH Logical High Input Voltage 2.0 V (min) VIL Logical Low Input Voltage 0.8 V (max) IIH Logical High Input Current VIH = DVDD = AVDD = +5.25V ±5 µA (max) IIL Logical Low Input Current VIL = 0V, DVDD = AVDD = +5.25V ±5 µA (max) CIN Digital Input Capacitance 4 pF DIGITAL OUTPUT CHARACTERISTICS IOH Output Current, Logic HIGH DVDD = 4.75V, VOH = 4.0V −1.1 mA (min) IOL Output Current, Logic LOW DVDD = 4.75V, VOL = 0.4V 1.8 mA (min) DVDD = 5.25V, PD = DVDD, IOZH, IOZL TRI-STATE Output Current ±20 µA VOL = DVDD, or VOL = 0V Copyright © 2000–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: ADC1175-50 |
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