MAX1098CEAE+ Maxim Integrated Products, MAX1098CEAE+ Datasheet
MAX1098CEAE+
Specifications of MAX1098CEAE+
Related parts for MAX1098CEAE+
MAX1098CEAE+ Summary of contents
Page 1
... Typical Operating Circuit appears at end of data sheet. SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp. ________________________________________________________________ Maxim Integrated Products For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. with 5-Channel ADC ...
Page 2
Serial-Output Temperature Sensors with 5-Channel ADC ABSOLUTE MAXIMUM RATINGS V to GND.……………………………………………-0.3V to +6V DD SHO to GND ................................................-0. Analog Inputs to GND (AIN0–AIN5, REF)...................................-0. Digital Inputs to GND (DIN, SCLK, CS).......-0. Digital ...
Page 3
Serial-Output Temperature Sensors ELECTRICAL CHARACTERISTICS (continued +4.75V to +5.25V (MAX1098 (MAX1099 2.5MHz SCLK A MIN PARAMETER SYMBOL DIGITAL INPUTS Input Voltage Low V IL Input Voltage High V IH Input ...
Page 4
Serial-Output Temperature Sensors with 5-Channel ADC ELECTRICAL CHARACTERISTICS (continued 4.75V to 5.25V (MAX1098 (MAX1099 2.5MHz SCLK A MIN PARAMETER SYMBOL EXTERNAL VOLTAGE REFERENCE CHARACTERISTICS Reference Voltage Range ...
Page 5
Serial-Output Temperature Sensors TIMING CHARACTERISTICS (V = +4.75V to +5.25V (MAX1098 (MAX1099 2.5MHz SCLK A MIN PARAMETER SYMBOL SCLK Frequency SCLK Pulse Width Low SCLK Pulse Width High CS Low to SCLK ...
Page 6
Serial-Output Temperature Sensors with 5-Channel ADC (T = +25°C, unless otherwise noted.) A MAX1098 INTEGRAL NONLINEARITY vs. OUTPUT CODE 0.20 0.15 0.10 0.05 0 -0.05 -0.10 -0.15 -0.20 -625 0 625 OUTPUT CODE MAX1099 DIFFERENTIAL NONLINEARITY vs. OUTPUT CODE ...
Page 7
Serial-Output Temperature Sensors (T = +25°C, unless otherwise noted.) A MAX1099 SUPPLY CURRENT vs. TEMPERATURE (VOLTAGE MEASUREMENT MODE) 500 450 400 INTERNAL REFERENCE 350 EXTERNAL REFERENCE 300 250 200 150 100 50 0 -40 - ...
Page 8
Serial-Output Temperature Sensors with 5-Channel ADC (T = +25°C, unless otherwise noted.) A MAX1098 INTERNAL REFERENCE VOLTAGE vs. TEMPERATURE 2.52 2.51 2.50 2.49 2.48 -40 - TEMPERATURE (°C) MAX1099 OFFSET vs. SUPPLY VOLTAGE 0.250 ...
Page 9
Serial-Output Temperature Sensors (T = +25°C, unless otherwise noted.) A MAX1099 TEMPERATURE ERROR vs. INTERNAL DIODE TEMPERATURE 1.0 0.5 0 -0.5 -1.0 -60 -40 - 100 TEMPERATURE (°C) ________________________________________________________________________________________ with 5-Channel ADC Typical Operating ...
Page 10
Serial-Output Temperature Sensors with 5-Channel ADC PIN NAME Analog Input 1. Negative differential input relative to AIN0 or positive differential input relative to AIN5 1 AIN1 (Table 4). Connect to the cathode of external diode 1 for remote temperature ...
Page 11
Serial-Output Temperature Sensors CS SCLK DIN DIODE BIAS CONTROL AIN0 AIN1 AIN2 AIN3 INPUT MUX AIN4 AIN5 Figure 1. MAX1098/MAX1099 Functional Diagram Detailed Description The MAX1098/MAX1099 are low-power, serial-output, multichannel ADCs with temperature-sensing capability for thermostatic, ...
Page 12
Serial-Output Temperature Sensors with 5-Channel ADC R IN 40k IN 40k IN- TRACK AND HOLD R R 30k REF Figure 2. Converter Input Structure Converter Operation Figure 2 shows a simplified model of the converter input structure. ...
Page 13
Serial-Output Temperature Sensors SSTRB FCLK 13 f CLKs WARMUP Figure 3a. Voltage Conversion Timing Diagram SSTRB FCLK 13 f CLKs WARMUP INPUT ACQUISITION 4 f CONVERSION CYCLE 1 Figure 3b. Temperature Conversion Timing Diagram input sampling capacitance of the ...
Page 14
Serial-Output Temperature Sensors with 5-Channel ADC CS t CSS t CS0 SCLK DIN t DV DOUT Figure 4. Detailed Serial Interface Timing OUTPUT CODE + 0111111111 REF 0111111110 - ...
Page 15
Serial-Output Temperature Sensors Table 1. Configuration-Byte Format BIT 7 BIT 6 BIT 5 (MSB) Start 0 BIT NAME First logic 1 after CS goes low. (See Input Data Format.) 7 (MSB) Start Must be 0000 ...
Page 16
Serial-Output Temperature Sensors with 5-Channel ADC ence reflects the power requirement of an internal refer- ence buffer amplifier that can accommodate external loads. Temperature conversions at 100% duty cycle increase supply currents to 440µA (400µA) through additional amplification, buffer, ...
Page 17
Serial-Output Temperature Sensors Table 4. Input Selection SEL3 SEL2 SEL1 ...
Page 18
Serial-Output Temperature Sensors with 5-Channel ADC SHIELD CATHODE Figure 8. Remote Diode Shielding for PC Boards example, the Belden 8451 works well for distances up to 100 feet in a noisy environment. Connect the shield to SH0-0H. Cable resistances ...
Page 19
Serial-Output Temperature Sensors 0.1µF 2N3904 2N3904 (SHIELD) _______________________________________________________________________________________ with 5-Channel ADC Typical Operating Circuit + AIN0 AIN1 CS MAX1098 SCLK AIN2 DIN AIN3 DOUT SHO AIN4 SSTRB AIN5 GND GND 19 ...
Page 20
... Maxim reserves the right to change the circuitry and specifications without notice at any time. implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 20 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 20 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 20 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © ...