MAX31911AUI+ Maxim Integrated, MAX31911AUI+ Datasheet
MAX31911AUI+
Specifications of MAX31911AUI+
Related parts for MAX31911AUI+
MAX31911AUI+ Summary of contents
Page 1
... For related parts and recommended products to use with this part, refer to www.maximintegrated.com/MAX31911.related. For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com. Industrial, Octal, Digital Input Translator/Serializer S Eight High-Voltage Input Channels (36V max) ...
Page 2
... PARAMETER Field Supply Voltage Field Inputs Voltage Logic Inputs Voltage Current-Limit Setting Resistor Field Input Data Rate Maxim Integrated Industrial, Octal, Digital Input Operating Temperature Range Ambient Temperature .............................. -40NC to +125NC Junction Temperature.............................. -40NC to +150NC Storage Temperature Range ...................... -55NC to +125NC Lead Temperature (soldering, 10s) .........................+300NC Soldering Temperature (reflow) ...
Page 3
... Regulator Line Regulation dVREG Regulator Load Regulation Logic-Low Output Voltage Logic-High Output Voltage Logic-Input Trip Point Logic-Input Leakage Current Overtemperature Alarm Maxim Integrated Industrial, Octal, Digital Input SYMBOL CONDITIONS IN1–IN8 = 24V, 5VOUT = open, I CC24V RT1–RT8 = GND, all logic inputs open ...
Page 4
... Note 7: See Figure 5. Note 8: See Figure 7. Note 9: See Figure 6. Note 10: This is the maximum bit transfer rate through the serializer interface. Maxim Integrated Industrial, Octal, Digital Input SYMBOL CONDITIONS No external capacitors on pins IN1 IN8 HBM, all pins HBM, IN1-IN8 with respect to GND ...
Page 5
... AMBIENT TEMPERATURE (°C) INPUT VOLTAGE HYSTERESIS vs. TEMPERATURE 9 2.2I IN 8.8 8.6 8.4 OFF-ON THRESHOLD 8.2 7.0 7.8 7.6 7.4 ON-OFF THRESHOLD 7.2 7.0 - TEMPERATURE (°C) Maxim Integrated Industrial, Octal, Digital Input Typical Operating Characteristics SUPPLY CURRENT vs. TEMPERATURE 1.60 1.55 1.50 1.45 1.40 35 -40 10 TEMPERATURE (°C) CURRENT LIMIT VARIATION vs. FIELD INPUT VOLTAGE 3.0 2.5 2.0 1.5 1.0 0.5 0 110 5 15 FIELD INPUT VOLTAGE (V) LDO LOAD REGULATION 5 ...
Page 6
... SUPPLY VOLTAGE (V) LDO OUTPUT VOLTAGE vs. TEMPERATURE 5. 0mA 5VOUT 5.08 5.06 5.04 5.02 5.00 4.98 4.96 4.94 4.92 4.90 -40 10 AMBIENT TEMPERATURE (°C) Maxim Integrated Industrial, Octal, Digital Input Typical Operating Characteristics (continued 110 MAX31911 Translator/Serializer LDO OUTPUT vs. V FIELD SUPPLY CC24V 5 50mA 5VOUT 5.4 5.3 5.2 5.1 5.0 4.9 4.8 4.7 4.6 4 SUPPLY VOLTAGE (V) LDO OUTPUT VOLTAGE vs ...
Page 7
... IN1–IN8 20 10, 12, RT1–RT8 17, 19 RIREF 14 V CC24V 15 5VOUT 16 FAULT 23 SOUT CLK 26 MODESEL 27 SIN 28 GND — EP Maxim Integrated Industrial, Octal, Digital Input TOP VIEW + DB0 1 DB1 2 IN1 3 RT1 4 IN2 5 RT2 6 MAX31911 IN3 7 RT3 8 IN4 9 RT4 10 IN5 11 RT5 ...
Page 8
... GND. Pins RT0–RT7 must be connected directly to GND to provide a return path for the input current. The voltage and current at the IN1–IN8 input pins are compared against internally set references to deter- Maxim Integrated Industrial, Octal, Digital Input JUMPERS TO 5VOUT AND GND ...
Page 9
... Table 1. Debounce Settings DB1 Maxim Integrated Industrial, Octal, Digital Input In 8-bit mode, only the eight field input states are transferred through the SPI port and the status byte is ignored. Therefore, in multiple IC applications (input channels greater than 8), if desired, only a single status byte can be generated and transmitted for any number of input channels ...
Page 10
... INX f IN1–8 C INX Figure 1. Typical EMC Protection Circuitry Maxim Integrated Industrial, Octal, Digital Input system to meet or exceed international EMC require- ments. ponent in using the components shown in Figure 1 allow the to be robust against IEC burst transient, surge tran- sient, and RFI specifications (IEC 61000-4, -5, -6, and -2) ...
Page 11
... Figure 2. Daisy-Chain Operation Table 3. MODESEL Settings MODESEL SETTING 0 16-bit output; [IN8–IN1][CRC (5 bit)][UV][OT][X] 1 8-bit output; [IN8–IN1] Maxim Integrated Industrial, Octal, Digital Input in parallel (see external components used to enhance EMC robustness do not need to be duplicated for each device of a circuit board. (Table 3) ...
Page 12
... INX f IN1–8 C INX INX f IN1–8 C INX Figure 3. 16-Input Application Circuit Maxim Integrated Industrial, Octal, Digital Input JUMPERS TO 5VOUT AND GND 5VOUT V CC24V DB0 C3 DB1 MODESEL MAX31911 SIN CLK IN1–8 CS SOUT RT1–8 FAULT RIREF ...
Page 13
... CS IN8 –IN0 VALID Figure 4. SPI Communication Example t CSPW CS SOUT Figure 5. SPI Timing Diagram 1 t SU2 CS CLK Figure 6. SPI Timing Diagram 2 Maxim Integrated Industrial, Octal, Digital Input IN4 IN3 IN2 IN1 CRC4 t P2 Figure 7. SPI Timing Diagram 3 t REC CLK SOUT Figure 8. SPI Timing Diagram 4 ...
Page 14
... Chip Information PROCESS: S45JRS Ordering Information PART TEMP RANGE MAX31911AUI+ -40NC to +125NC MAX31911AUI+T -40NC to +125NC +Denotes a lead(Pb)-free/RoHS-compliant package Tape and reel. Maxim Integrated Industrial, Octal, Digital Input For the latest package outline information and land patterns (footprints www.maximintegrated.com/packages. Note that a “ ...
Page 15
... Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical Characteristics table are guaranteed ...