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MAX148ACAP Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX148ACAP Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 23 page +2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs 2 ______________________________________________________________________________________ Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. VDD to AGND, DGND..............................................-0.3V to +6V AGND to DGND ...................................................-0.3V to +0.3V CH0–CH7, COM to AGND, DGND........... -0.3V to (VDD + 0.3V) VREF, REFADJ to AGND...........................-0.3V to (VDD + 0.3V) Digital Inputs to DGND ...........................................-0.3V to +6V Digital Outputs to DGND.......................... -0.3V to (VDD + 0.3V) Digital Output Sink Current ................................................25mA Continuous Power Dissipation (TA = +70NC) Plastic DIP (derate 11.11mW/NC above +70NC)..........889mW SSOP (derate 8.00mW/NC above +70NC) ....................640mW CERDIP (derate 11.11mW/NC above +70NC) ..............889mW Operating Temperature Ranges MAX148_C_P/MAX149_C_P .............................. 0NC to +70NC MAX148_E_P/MAX149_E_P ............................ -40NC to +85NC MAX148_MJP/MAX149_MJP ........................ -55NC to +125NC MAX149BMAP............................................... -55NC to +125NC Storage Temperature Range............................ -60NC to +150NC Lead Temperature (soldering, 10s) ................................+300NC ELECTRICAL CHARACTERISTICS (VDD = +2.7V to +5.25V; COM = 0; fSCLK = 2.0MHz; external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps); MAX149—4.7FF capacitor at VREF pin; MAX148—external reference, VREF = 2.500V applied to VREF pin; TA = TMIN to TMAX, unless otherwise noted.) ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DC ACCURACY (Note 1) Resolution 10 Bits Relative Accuracy (Note 2) INL MAX14_A ±0.5 LSB MAX14_B ±1.0 Differential Nonlinearity DNL No missing codes over temperature ±1 LSB Offset Error MAX14_A ±0.15 ±1 LSB MAX14_B ±0.15 ±2 Gain Error (Note 3) MAX14_A ±1 LSB MAX14_B ±2 Gain Temperature Coefficient ±0.25 ppm/ °C Channel-to-Channel Offset Matching ±0.05 LSB DYNAMIC SPECIFICATIONS (10kHz Sine-Wave Input, 0 to 2.500VP-P, 133ksps, 2.0MHz External Clock, Bipolar Input Mode) Signal-to-Noise + Distortion Noise SINAD 66 dB Total Harmonic Distortion THD Up to the 5th harmonic -70 dB Spurious-Free Dynamic Range SFDR 70 dB Channel-to-Channel Crosstalk 65kHz, 2.500VP-P (Note 4) -75 dB Small-Signal Bandwidth -3dB rolloff 2.25 MHz Full-Power Bandwidth 1.0 MHz CONVERSION RATE Conversion Time (Note 5) tCONV Internal clock, SHDN = unconnected 5.5 7.5 μs Internal clock, SHDN = VDD 35 65 External clock = 2MHz, 12 clocks/ conversion 6 Track/Hold Acquisition Time tACQ 1.5 μs Aperture Delay 30 ns Aperture Jitter < 50 ps |
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