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ADS8328IBRSARG4 Datasheet(PDF) 5 Page - Texas Instruments |
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ADS8328IBRSARG4 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 51 page ADS8327 ADS8328 www.ti.com SLAS415E – APRIL 2006 – REVISED JANUARY 2011 SPECIFICATIONS (continued) TA = –40°C to 85°C, +VA = 2.7 V to 3.6 V, +VBD = 1.65 V to 1.5 × (+VA), VREF = 2.5 V, and fSAMPLE = 500 kHz, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DYNAMIC CHARACTERISTICS VIN = 2.5 VPP at 10 kHz –98 THD Total harmonic distortion (4) dB VIN = 2.5 VPP at 100 kHz –83.5 VIN = 2.5 VPP at 10 kHz 88.5 SNR Signal-to-noise ratio dB VIN = 2.5 VPP at 100 kHz 85 VIN = 2.5 VPP at 10 kHz 88.5 SINAD Signal-to-noise + distortion dB VIN = 2.5 VPP at 100 kHz 81 VIN = 2.5 VPP at 10 kHz 101 SFDR Spurious-free dynamic range dB VIN = 2.5 VPP at 100 kHz 84 –3dB small-signal bandwidth 30 MHz CLOCK Internal conversion clock frequency 10.5 11 12.2 MHz Used as I/O clock only 33 SCLK External serial clock MHz As I/O clock and conversion clock 1 21 EXTERNAL VOLTAGE REFERENCE INPUT VREF(REF+ – REF–) 3.6 V ≥ +VA ≥ 2.7 V 0.3 2.525 Input reference VREF V range (REF –) – AGND –0.1 0.1 Resistance (5) Reference input 80 k Ω DIGITAL INPUT/OUTPUT Logic family —CMOS VIH High-level input voltage (+VA × 1.5) V ≥ +VBD ≥ 1.65 V 0.65 × (+VBD) +VBD + 0.3 V VIL Low-level input voltage (+VA × 1.5) V ≥ +VBD ≥ 1.65 V –0.3 0.35 × (+VBD) V II Input current VI = +VBD or BDGND –50 50 nA CI Input capacitance 5 pF (+VA × 1.5) V ≥ +VBD ≥ 1.65 V, VOH High-level output voltage +VBD – 0.6 +VBD V IO = 100 mA (+VA × 1.5) V ≥ +VBD ≥ 1.65 V, VOL Low-level output voltage 0 0.4 V IO = 100 mA CO Output capacitance 5 pF CL Load capacitance 30 pF Data format —straight binary POWER-SUPPLY REQUIREMENTS +VBD 1.65 +VA 1.5 × (+VA) V Power-supply voltage +VA 2.7 3.6 V 500-kHz Sample rate 3.8 5 mA Supply current NAP/Auto-NAP mode 0.2 0.4 Deep power-down mode 2 50 nA Buffer I/O supply current 500 kSPS 0.2 mA Power dissipation +VA = 2.7 V, +VBD = 1.8 V 10.6 14 mW TEMPERATURE RANGE TA Operating free-air temperature –40 +85 °C (4) Calculated on the first nine harmonics of the input frequency. (5) Can vary ±30%. © 2006–2011, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): ADS8327 ADS8328 |
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