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ADS1213PG4 Arkusz danych(PDF) 2 Page - Burr-Brown (TI) |
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ADS1213PG4 Arkusz danych(HTML) 2 Page - Burr-Brown (TI) |
2 / 49 page ADS1212, 1213 2 SBAS064A All specifications TMIN to TMAX, AVDD = DVDD = +5V, fXIN = 1MHz, programmable gain amplifier setting of 1, Turbo Mode Rate of 1, REFOUT disabled, VBIAS disabled, and external 2.5V reference, unless otherwise specified. SPECIFICATIONS ADS1212U, P/ADS1213U, P, E PARAMETER CONDITIONS MIN TYP MAX UNITS ANALOG INPUT Input Voltage Range(1) 0+5 V With VBIAS(2) –10 +10 V Input Impedance G = Gain, TMR = Turbo Mode Rate 20/(G • TMR)(3) M Ω Programmable Gain Amplifier User Programmable: 1, 2, 4, 8, or 16 1 16 Input Capacitance 5pF Input Leakage Current At +25 °C5 50 pA TMIN to TMAX 1nA SYSTEMS PERFORMANCE No Missing Codes fDATA = 10Hz 22 Bits fDATA = 60Hz 19 Bits fDATA = 100Hz, TMR of 4 21 Bits fDATA = 250Hz, TMR of 8 20 Bits fDATA = 500Hz, TMR of 16 20 Bits fDATA = 1000Hz, TMR of 16 18 Bits Integral Linearity fDATA = 60Hz ±0.0015 %FSR fDATA = 1000Hz, TMR of 16 ±0.0015 %FSR Integral Linearity (Single-Ended) 0.01 %FSR Unipolar Offset Error(4) See Note 5 Unipolar Offset Drift(6) 1 ppm/ °C Gain Error(4) See Note 5 Gain Error Drift(6) 4 ppm/ °C Common-Mode Rejection(9) At DC, TMIN to TMAX 90 100 dB 50Hz, fDATA = 50Hz(7) 160 dB 60Hz, fDATA = 60Hz(7) 160 dB Normal-Mode Rejection 50Hz, fDATA = 50Hz(7) 100 dB 60Hz, fDATA = 60Hz(7) 100 dB Output Noise See Typical Performance Curves Power Supply Rejection DC, 50Hz, and 60Hz 60 dB VOLTAGE REFERENCE Internal Reference (REFOUT) 2.4 2.5 2.6 V Drift 25 ppm/ °C Noise 50 µVp-p Load Current Source or Sink 1 mA Output Impedance 2 Ω External Reference (REFIN) 2.0 3.0 V Load Current 2.5 µA VBIAS Output Using Internal Reference 3.15 3.3 3.45 V Drift 50 ppm/ °C Load Current Source or Sink 10mA DIGITAL INPUT/OUTPUT Logic Family TTL Compatible CMOS Logic Level: (all except XIN) VIH IIH = +5µA 2.0 DVDD +0.3 V VIL IIL = +5µA –0.3 0.8 V VOH IOH = 2 TTL Loads 2.4 V VOL IOL = 2 TTL Loads 0.4 V XIN Input Levels: VIH 3.5 DVDD +0.3 V VIL –0.3 0.8 V XIN Frequency Range (fXIN) 0.5 2.5 MHz Output Data Rate (fDATA) User Programmable and TMR = 1 to 16 0.96 6,250 Hz fXIN = 500kHz 0.48 3,125 Hz fXIN = 2.5MHz 2.4 15,625 Hz Data Format User Programmable Two’s Complement or Offset Binary SYSTEM CALIBRATION Offset and Full-Scale Limits VFS = Full-Scale Differential Voltage(8) 0.7 • (2 • REFIN)/G VFS – | VOS |VOS = Offset Differential Voltage(8) 1.3 • (2 • REFIN)/G |
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