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MAX194BMDE Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX194BMDE Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 24 page 14-Bit, 85ksps ADC with 10µA Shutdown 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VDDD = VDDA = +5V, VSSD = VSSA = -5V, fCLK = 1.7MHz, VREF = +5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) 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. VDDD to DGND .....................................................................+7V VDDA to AGND......................................................................+7V VSSD to DGND.........................................................+0.3V to -6V VSSA to AGND .........................................................+0.3V to -6V VDDD to VDDA, VSSD to VSSA ..........................................±0.3V AIN, REF ....................................(VSSA - 0.3V) to (VDDA + 0.3V) AGND to DGND ..................................................................±0.3V Digital Inputs to DGND...............................-0.3V, (VDDA + 0.3V) Digital Outputs to DGND............................-0.3V, (VDDA + 0.3V) Continuous Power Dissipation (TA = +70°C) Plastic DIP (derate 10.53mW/°C above +70°C) ............842mW Wide SO (derate 9.52mW/°C above +70°C)..................762mW Ceramic SB (derate 10.53mW/°C above +70°C)...........842mW Operating Temperature Ranges MAX194_C_E ........................................................0°C to +70°C MAX194_E_E .....................................................-40°C to +85°C MAX194_MDE..................................................-55°C to +125°C Storage Temperature Range .............................-65°C to +160°C Lead Temperature (soldering, 10sec) .............................+300°C 16(tCLK) Unipolar MAX194B, VREF = 4.75V MAX194A, VREF = 4.75V MAX194A MAX194B MAX194A, VREF = 4.75V VSSA = -5.25V to -4.75V, VREF = 4.75V MAX194B, VREF = 4.75V VDDA = 4.75V to 5.25V, VREF = 4.75V CONDITIONS MHz 1.7 fCLK Clock Frequency (Notes 2, 3) µs 9.4 tCONV Conversion Time dB -90 Peak Spurious Noise dB -90 THD Total Harmonic Distortion (up to the 5th harmonic) V 0 VREF Input Range dB 65 Power-Supply Rejection Ratio (VDDA and VSSA only) 65 LSB ±1 DNL Differential Nonlinearity Bits 14 RES Resolution ppm/°C 0.1 Full-Scale Tempco LSB ±2 Unipolar Full-Scale Error ±1 Unipolar/Bipolar Offset Tempco ppm/°C 0.4 ±1⁄2 LSB ±1 INL Integral Nonlinearity ±1 LSB ±2 Unipolar/Bipolar Offset Error UNITS MIN TYP MAX SYMBOL PARAMETER Unipolar pF 250 Input Capacitance dB 82 SINAD Signal-to-Noise plus Distortion Ratio MHz 5 fSCLK Serial Clock Frequency Bipolar Bipolar 125 -VREF VREF MAX194B, VREF = 4.75V MAX194A, VREF = 4.75V LSB ±4 Bipolar Full-Scale Error ±2 ACCURACY (Note 1) ANALOG INPUT DYNAMIC PERFORMANCE (fs = 85kHz, bipolar range AIN = -5V to +5V, 1kHz) (Note 1) |
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