MAX6581ATG9A+ Maxim Integrated Products, MAX6581ATG9A+ Datasheet
MAX6581ATG9A+
Specifications of MAX6581ATG9A+
Related parts for MAX6581ATG9A+
MAX6581ATG9A+ Summary of contents
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... Note: These devices operate over the -40NC to +125NC operating temperature range. Typical Application Circuit appears at end of data sheet. SMBus is a trademark of Intel Corp. _______________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ...
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Accurate 8-Channel Temperature Sensor ABSOLUTE MAXIMUM RATINGS (All Voltages Referenced to GND SMBCLK, SMBDATA, ALERT, CC OVERT, STBY to GND ..........................................-0.3V to +4V DXP_ to GND ............................................ -0. DXN_ to GND ........................................... -0. ...
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Accurate 8-Channel Temperature Sensor ELECTRICAL CHARACTERISTICS (continued +3.0V to +3.6V -40NC to +125NC, unless otherwise noted. Typical values are PARAMETER SYMBOL Conversion Time per Channel t Remote-Diode Source Current DXP_ and ...
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Accurate 8-Channel Temperature Sensor ELECTRICAL CHARACTERISTICS (continued +3.0V to +3.6V -40NC to +125NC, unless otherwise noted. Typical values are PARAMETER SYMBOL Receive SMBCLK/SMBDATA Rise Time Receive SMBCLK/SMBDATA Fall Time Data-Out Hold ...
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Accurate 8-Channel Temperature Sensor (V = +3.3V +25NC, unless otherwise noted.) CC STBY CC A LOCAL TEMPERATURE ERROR vs. DIE TEMPERATURE -10 ...
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Accurate 8-Channel Temperature Sensor TOP VIEW PIN NAME Combined Current Source and ADC Positive Input for Channel 2 Remote Diode. Connect DXP2 to the anode of a remote-diode-connected, temperature-sensing transistor. Leave DXP2 unconnected 1 DXP2 or connect to DXN2 ...
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Accurate 8-Channel Temperature Sensor PIN NAME Cathode Input for Channel 4 Remote Diode. Connect the cathode of the channel 4 remote-diode- connected transistor to DXN4. If the channel 4 remote transistor is a substrate pnp (e.g CPU ...
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Accurate 8-Channel Temperature Sensor PIN NAME 21 GND Ground Combined Current Source and ADC Positive Input for Channel 1 Remote Diode. Connect DXP1 to the anode of a remote-diode-connected, temperature-sensing transistor. Leave DXP1 unconnected 23 DXP1 or connect to ...
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Accurate 8-Channel Temperature Sensor DXP1 DXN1 DXP2 DXN2 DXP3 DXN3 DXP4 DXN4 DXP5 DXN5 DXP6 DXN6 DXP7 DXN7 Figure 1. Internal Block Diagram _______________________________________________________________________________________ INPUT COUNT BUFFER - COUNTER REF SMBus INTERFACE LOCAL TRANSISTOR ...
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Accurate 8-Channel Temperature Sensor SMBus Digital Interface From a software perspective, the MAX6581 appears as a series of 8-bit registers that contain temperature- measurement data, alarm threshold values, and control bits. A standard SMBus-compatible, 2-wire serial inter- face is ...
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Accurate 8-Channel Temperature Sensor HIGH LOW SMBCLK SMBDATA SU:STA HD:STA SU:DAT A = START CONDITION B = MSB OF ADDRESS CLOCKED INTO SLAVE C = LSB OF ADDRESS CLOCKED INTO SLAVE D ...
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Accurate 8-Channel Temperature Sensor Table 2. Extended-Resolution Temperature Register (Low-Byte) Data Format TEMPERATURE (NC) 0 +0.125 +0.250 +0.375 +0.500 +0.625 +0.750 +0.875 X = Don’t care. Table 3. Command Byte Register Bit Assignment ADDRESS REGISTER (HEX) Remote 1 01 ...
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Accurate 8-Channel Temperature Sensor Table 3. Command Byte Register Bit Assignment (continued) ADDRESS REGISTER (HEX) Remote 1 OVERT High 21 Limit Remote 2 OVERT High 22 Limit Remote 3 OVERT High 23 Limit Remote 4 OVERT High 24 Limit ...
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Accurate 8-Channel Temperature Sensor Diode Fault Detection If a channel’s input DXP_ and DXN_ are left open or are shorted, the MAX6581 detects a diode fault. An open diode fault does not cause either ALERT or OVERT to assert. ...
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Accurate 8-Channel Temperature Sensor Table 4. Configuration Register (41h) POR BIT NAME VALUE 7 (MSB) STOP 0 6 POR TIMEOUT 4 RESERVED 0 3 RESERVED 0 2 RESERVED 0 1 EXTRANGE 0 0 RESERVED 0 Table ...
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Accurate 8-Channel Temperature Sensor Status Register Functions There are four status registers (see Tables 7–10). The ALERT High Status register indicates whether a mea- sured local or remote temperature has exceeded the associated threshold limit set in an ALERT ...
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Accurate 8-Channel Temperature Sensor Table 8. OVERT Status Register (45h) POR BIT NAME STATE 7 (MSB) 0 Remote OVERT Local OVERT 5 0 Remote OVERT Remote OVERT Remote OVERT 4 ...
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Accurate 8-Channel Temperature Sensor Table 10. ALERT Low Status Register (47h) POR BIT NAME STATE Remote ALERT 7 (MSB) 0 Low Local ALERT Low Remote ALERT 5 0 Low 6 Remote ALERT 4 0 Low 5 ...
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Accurate 8-Channel Temperature Sensor Table 11. Transistor Ideality Register REGISTER ...
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Accurate 8-Channel Temperature Sensor Series-Resistance Cancellation Some thermal diodes on high-power ICs have exces- sive series resistance that can cause temperature-mea- surement errors when used with conventional remote- temperature sensors. Channels 1–7 of the MAX6581 have a series-resistance cancellation ...
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Accurate 8-Channel Temperature Sensor Table 13. Remote Sensors Transistor Suppliers (for Channels 1–7) SUPPLIER Central Semiconductor Corp. (USA) Fairchild Semiconductor (USA) Infineon (Germany) ON Semiconductor (USA) ROHM Semiconductor (USA) Samsung (Korea) Siemens (Germany) Zetex (England) Note: Discrete transistors must ...
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Accurate 8-Channel Temperature Sensor GND 5–10 mils DXP_ 5–10 mils DXN_ GND Figure 5. Recommended DXP_–DXN_ PCB Traces. The two outer guard traces are recommended if high-voltage traces are near the DXN_ and DXP_ traces. Follow the guidelines below ...
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Accurate 8-Channel Temperature Sensor CPU DXN1 1 DXP2 100pF 2 DXN2 3 DXP3 100pF 4 DXN3 5 DXP4 6 N.C. 100pF DXN4 7 FPGA Chip Information PROCESS: BiCMOS ______________________________________________________________________________________ 4.7kI 100pF MAX6581 DXP5 DXN5 ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 24 2010 Maxim Integrated Products © ...