MAX6656MEE Maxim Integrated Products, MAX6656MEE Datasheet
MAX6656MEE
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MAX6656MEE Summary of contents
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... Temperature Range ♦ Programmable Under/Over-Threshold Alarms ♦ Programmable Power-Saving Mode ♦ No Calibration Required ♦ SMBus/I ♦ OVERT Output for Fan Control and System Shutdown PART MAX6655MEE MAX6656MEE Typical Application Circuit appears at end of data sheet. TOP VIEW Applications Workstations Communication Equipment Desktop PC Features ...
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Dual Remote/Local Temperature Sensors and Four-Channel Voltage Monitors ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V CC DXN_ to GND ........................................................-0.3V to +0.8V SMBCLK, SMBDATA, ALERT, STBY, OVERT to GND .....................................................-0. GND............................................................-0.3V to +16V IN1 ...
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Dual Remote/Local Temperature Sensors and ELECTRICAL CHARACTERISTICS (continued +3.0V to +3.6V for MAX6656 are +3.3V for MAX6656 +5.0V for MAX6655 PARAMETER SYMBOL Remote Junction Current (DXP, DXN) ...
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Dual Remote/Local Temperature Sensors and Four-Channel Voltage Monitors (T = +25°C, unless otherwise noted.) A REMOTE TEMPERATURE ERROR vs. PC BOARD RESISTANCE 20 10 PATH = DXP TO GND 0 PATH = DXP TO V (5V) CC -10 -20 1 ...
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Dual Remote/Local Temperature Sensors and PIN NAME 1 V Supply Voltage. +5V for MAX6655; +3.3V for MAX6656. Bypass V CC External Diode 1 Positive Connection. DXP1 is the combined current source and ADC positive input 2 DXP1 for remote-diode 1. ...
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Dual Remote/Local Temperature Sensors and Four-Channel Voltage Monitors Write Byte Format S ADDRESS WR 7 bits Slave Address: equiva- lent to chip-select line of a 3-wire interface Read Byte Format S ADDRESS WR ACK 7 bits Slave Address: equiva- lent ...
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Dual Remote/Local Temperature Sensors and LOW HIGH SMBCLK SMBDATA t t HD:STA SU:STA A = START CONDITION B = MSB OF ADDRESS CLOCKED INTO SLAVE C = LSB OF ADDRESS CLOCKED INTO SLAVE D = R/W ...
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Dual Remote/Local Temperature Sensors and Four-Channel Voltage Monitors +3V TO +5.5V V MAX6655 MAX6656 SMBus SMBCLK SERIAL SMBDATA INTERFACE ALERT (TO HOST) DXP2 DXN2 2N3906 2200pF Figure 4. System Shutdown Application The temperature data is stored in internal registers RRTE, ...
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Dual Remote/Local Temperature Sensors and Alarm Threshold Registers Seventeen registers store ALARM and OVERT thresh- old data. The MAX6655/MAX6656 contain three regis- ters for high-temperature (T HIGH temperature (T ), four for high-voltage (V LOW for low-voltage (V ) thresholds, ...
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Dual Remote/Local Temperature Sensors and Four-Channel Voltage Monitors places constraints on high-frequency noise rejection. Lay out the PC board carefully with proper external noise filtering for high-accuracy remote measurements in electrically noisy environments. Filter high-frequency electromagnetic interference (EMI) at DXP ...
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Dual Remote/Local Temperature Sensors and Table 1. Conversion Rate Control Byte DATA BETWEEN CONVERSION (RCRA, 04H) 00h 01h 02h 03h 04h 05h 06h 07h Table 2. Temperature Data Format ROUNDED TEMP (°C) TEMP (°C) 130.00 +127 127.00 +127 126.00 +126 ...
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Dual Remote/Local Temperature Sensors and Four-Channel Voltage Monitors Table 4. Voltage Data Format INPUT VOLTAGE AT V ADC OUTPUT CODE (+12V) LSB weight 57.1mV 64 (≈ 1/4 scale) 4.343V to 4.400V 65 4.400V to 4.457V 66 4.457V to 4.514V — ...
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Dual Remote/Local Temperature Sensors and Table 6. Command Byte Register Map REGISTER ADDRESS RLTS 00h RRTE 01h RSL 02h RCL 03h RCRA 04h RLHN 05h RLLI 06h RRHI 07h RRLS 08h WCA 09h WCRW 0Ah WLHO 0Bh WLLM 0Ch WRHA ...
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Dual Remote/Local Temperature Sensors and Four-Channel Voltage Monitors Table 6. Command Byte Register Map (continued) REGISTER ADDRESS RV1HL 28h RV1LL 29h RV2HL 2Ah RV2LL 2Bh RV3HL 2Ch RV3LL 2Dh RV0 2Eh RV1 2Fh RV2 30h RV3 31h RSL2 32h RCL2 ...
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Dual Remote/Local Temperature Sensors and Table 8. Configuration Byte 2-Bit Assignments BIT NAME Disable Remote Temperature 1 7 (MSB) Measurement Disable Remote 6 Temperature 2 Measurement Disable Internal 5 Temperature Measurement Disable V IN3 4 Measurement Disable V IN2 3 ...
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Dual Remote/Local Temperature Sensors and Four-Channel Voltage Monitors Table 10. Status Byte 2-Bit Assignments BIT NAME POR STATE 7(MSB R1O 5 R2O 4 DODS2 CCA Table 11. ...
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Dual Remote/Local Temperature Sensors and 2.5V CPU TO 12V TO 3. 2.5V 2N3906 2200pF MAX6655/MAX6656 V IN1 V IN2 V IN3 DXP1 DXN1 ______________________________________________________________________________________ Four-Channel Voltage Monitors Typical Application Circuit 0.1µ DXP1 MAX6655 MAX6656 SMBCLK ...
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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. 18 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2006 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products, Inc ...