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MAX11040K Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX11040K Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 35 page 24-/16-Bit, 4-Channel, Simultaneous-Sampling, Cascadable, Sigma-Delta ADCs _______________________________________________________________________________________ 3 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Bandwidth -3dB 3.4 kHz Latency (Note 8) 405 μs Passband Flatness From DC to 1.4kHz < 0.1 dB Amplitude-Dependent Phase Error FS vs. 0.1% FS < 0.01 0.12 Degrees Channel-to-Channel Phase Matching 0.0001 Degrees Phase-Error Drift 0.001 Degrees Channel-to-Channel Isolation -130 dB Common-Mode Rejection CMRR 109 dB ANALOG INPUTS (AIN_+, AIN_-) Differential FS Input Range VIN VAIN_+ - VAIN_- -2.2 +2.2 V Single-Ended Positive Input Range VAIN_+ Referenced to AGND -2.2 +2.2 V Single-Ended Negative Input Range VAIN_- Referenced to AGND -2.2 +2.2 V Positive Fault Threshold VPFT VAIN_+ or VAIN_- (Note 9) 2.25 2.65 V Negative Fault Threshold VNFT VAIN_+ or VAIN_- (Note 9) -2.65 -2.25 V Fault Pin Response Time 2.5 μs VNFT ≤ VIN ≤ VPFT 130 Input Impedance ZIN VIN < VNFT or VIN > VPFT > 0.5 k Ω DC Leakage Current IIN VAIN_+ = VAIN_- ±0.01 ±1 μA Input Sampling Rate fS fS = fXINCLOCK/8 3.072 Msps Input Sampling Capacitance 4.0 pF INTERNAL REFERENCE REFIO Output Voltage VREF TA = TMAX 2.4 2.5 2.6 V REFIO Output Resistance 1k Ω REFIO Temp Drift 50 ppm/°C REFIO Long-Term Stability 200 ppm/ 1000hr REFIO Output Noise 3μVRMS REFIO Power-Supply Rejection PSRR 75 dB EXTERNAL REFERENCE REFIO Input Voltage VREF 2.3 2.7 V REFIO Sink Current 200 μA REFIO Source Current 200 μA REFIO Input Capacitance 10 pF CRYSTAL OSCILLATOR (XIN, XOUT) Tested Resonant Frequency (Note 10) 24.576 MHz Maximum Crystal ESR 30 Ω Oscillator Startup Time < 2 ms Oscillator Stability VDVDD = 3.3V, excluding crystal 10 ppm/°C Maximum Oscillator Load 10 pF ELECTRICAL CHARACTERISTICS (continued) (VAVDD = +3.0V to +3.6V, VDVDD = +2.7V to VAVDD, fXIN CLOCK = 24.576MHz, fOUT = 16ksps, VREFIO = +2.5V (external), CREFIO = CREF0 = CREF1 = CREF2 = CREF3 = 1μF to AGND, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) |
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