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ADC121C021 Datasheet(PDF) 6 Page - Texas Instruments |
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ADC121C021 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 44 page  ADC121C021, ADC121C021Q, ADC121C027 SNAS415F – JANUARY 2008 – REVISED MARCH 2013 www.ti.com Electrical Characteristics (continued) The following specifications apply for VA = +2.7V to +5.5V, GND = 0V, fSCL up to 3.4MHz, fIN = 1kHz for fSCL up to 400kHz, fIN = 10kHz for fSCL = 3.4MHz unless otherwise noted. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25°C unless otherwise noted. (1) Symbol Parameter Conditions Typical(2) Limits(2) Units (Limits) DYNAMIC CONVERTER CHARACTERISTICS VA = +2.7V to +3.6V 11.7 11.3 Bits (min) ENOB Effective Number of Bits VA = +3.6V to +5.5V 11.5 Bits (min) VA = +2.7V to +3.6V 72.5 70.4 dB (min) SNR Signal-to-Noise Ratio VA = +3.6V to +5.5V 71 dB (min) VA = +2.7V to +3.6V −92 −78 dB (max) THD Total Harmonic Distortion VA = +3.6V to +5.5V −87 dB (max) VA = +2.7V to +3.6V 72.6 70 dB (min) SINAD Signal-to-Noise Plus Distortion Ratio VA = +3.6V to +5.5V 71 dB (min) VA = +2.7V to +3.6V 90 76 dB (min) SFDR Spurious-Free Dynamic Range VA = +3.6V to +5.5V 87 dB (min) VA = +3.0V, −89 dB fa = 1.035 kHz, fb = 1.135 kHz Intermodulation Distortion, Second Order Terms (IMD2) VA = +5.0V, −91 dB fa = 1.035 kHz, fb = 1.135 kHz IMD VA = +3.0V, −88 dB fa = 1.035 kHz, fb = 1.135 kHz Intermodulation Distortion, Third Order Terms (IMD3) VA = +5.0V, −88 dB fa = 1.035 kHz, fb = 1.135 kHz VA = +3.0V 8 MHz FPBW Full Power Bandwidth ( −3dB) VA = +5.0V 11 MHz ANALOG INPUT CHARACTERISTICS VIN Input Range 0 to VA V IDCL DC Leakage Current(4) ±1 µA (max) Track Mode 30 pF CINA Input Capacitance Hold Mode 3 pF SERIAL INTERFACE INPUT CHARACTERISTICS (SCL, SDA) VIH Input High Voltage 0.7 x VA V (min) VIL Input Low Voltage 0.3 x VA V (max) IIN Input Current(4) ±1 µA (max) CIN Input Pin Capacitance 3 pF VHYST Input Hysteresis 0.1 x VA V (min) ADDRESS SELECTION INPUT CHARACTERISTICS (ADDR) VIH Input High Voltage VA - 0.5V V (min) VIL Input Low Voltage 0.5 V (max) IIN Input Current(4) ±1 µA (max) LOGIC OUTPUT CHARACTERISTICS, OPEN-DRAIN (SDA, ALERT) ISINK = 3 mA 0.4 V (max) VOL Output Low Voltage ISINK = 6 mA 0.6 V (max) High Impedance Output Leakage IOZ ±1 µA (max) Current(4) Output Coding Straight (Natural) Binary (4) This parameter is ensured by design and/or characterization and is not tested in production. 6 Submit Documentation Feedback Copyright © 2008–2013, Texas Instruments Incorporated Product Folder Links: ADC121C021 ADC121C021Q ADC121C027 |
Similar Part No. - ADC121C021_15 |
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