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MAX1138 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX1138 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 22 page 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial 10-Bit ADCs _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VDD = 2.7V to 3.6V (MAX1137/MAX1139), VDD = 4.5V to 5.5V (MAX1136/MAX1138), VREF = 2.048V (MAX1137/MAX1139), VREF = 4.096V (MAX1136/MAX1138), CREF = 0.1µF, fSCL = 1.7MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C. See Tables 1–5 for programming notation.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Internal Clock Frequency 2.8 MHz External clock, fast mode 60 Aperture Delay (Note 5) tAD External clock, high-speed mode 30 ns ANALOG INPUT (AIN0–AIN11) Unipolar 0 VREF Input-Voltage Range, Single- Ended and Differential (Note 6) Bipolar 0 ±VREF/2 V Input Multiplexer Leakage Current ON/OFF leakage current, VAIN_ = 0 or VDD ±0.01 ±1 µA Input Capacitance CIN 22 pF INTERNAL REFERENCE (Note 7) MAX1137/MAX1139 1.968 2.048 2.128 Reference Voltage VREF TA = +25°C MAX1136/MAX1138 3.939 4.096 4.256 V Reference-Voltage Temperature Coefficient TCVREF 25 ppm/°C REF Short-Circuit Current 2mA REF Source Impedance 1.5 k Ω EXTERNAL REFERENCE REF Input-Voltage Range VREF (Note 8) 1 VDD V REF Input Current IREF fSAMPLE = 94.4ksps 40 µA DIGITAL INPUTS/OUTPUTS (SCL, SDA) Input High Voltage VIH 0.7 ✕ VDD V Input Low Voltage VIL 0.3 ✕ VDD V Input Hysteresis VHYST 0.1 ✕ VDD V Input Current IIN VIN 0 to VDD ±10 µA Input Capacitance CIN 15 pF Output Low Voltage VOL ISINK = 3mA 0.4 V POWER REQUIREMENTS MAX1137/MAX1139 2.7 3.6 Supply Voltage VDD MAX1136/MAX1138 4.5 5.5 V Internal reference 900 1150 fSAMPLE = 94.4ksps external clock External reference 670 900 Internal reference 530 fSAMPLE = 40ksps internal clock External reference 230 Internal reference 380 fSAMPLE = 10ksps internal clock External reference 60 Internal reference 330 fSAMPLE =1ksps internal clock External reference 6 µA Supply Current IDD Shutdown (internal reference OFF) 0.5 110 |
Similar Part No. - MAX1138 |
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Similar Description - MAX1138 |
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