MAX1668MEE-T Maxim Integrated Products, MAX1668MEE-T Datasheet
MAX1668MEE-T
Specifications of MAX1668MEE-T
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MAX1668MEE-T Summary of contents
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... Local) ±3°C (-40°C to +125°C, Local) ±3°C (+60°C to +100°C, Remote) o 3µA (typ) Standby Supply Current o 700µA (max) Supply Current o Small, 16-Pin QSOP/TSSOP Packages _______________Ordering Information PART MAX1668MEE MAX1805MEE MAX1989MEE MAX1989MUE 16 GND 15 STBY ...
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Multichannel Remote/Local Temperature Sensors ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V CC DXP_, ADD_, STBY to GND........................-0. DXN_ to GND ........................................................-0.3V to +0.8V SMBCLK, SMBDATA, ALERT to GND ......................-0.3V to +6V SMBDATA, ALERT Current .................................-1mA to ...
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ELECTRICAL CHARACTERISTICS (continued) = +3.3V, STBY = configuration byte = X0XXXX00 PARAMETER SMBus INTERFACE Logic Input High Voltage Logic Input Low Voltage Logic Output Low Sink Current ALERT Output High Leakage Current Logic Input ...
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Multichannel Remote/Local Temperature Sensors ELECTRICAL CHARACTERISTICS (continued) = +5V, STBY = configuration byte = X0XXXX00 PARAMETER SMBus INTERFACE STBY, SMBCLK, SMBDATA; V Logic Input High Voltage STBY, SMBCLK, SMBDATA; V Logic Input Low Voltage ...
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STBY = V (Typical Operating Circuit TEMPERATURE ERROR vs. COMMON-MODE NOISE FREQUENCY 2.0 SQUARE-WAVE AC-COUPLED INTO DXN 1.8 2200pF BETWEEN DXN_ AND DXP_ 1.6 100mV 1.4 P-P 1.2 50mV P-P 1.0 0.8 0.6 0.4 0.2 0 ...
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Multichannel Remote/Local Temperature Sensors PIN MAX1668/ MAX1805 NAME MAX1989 DXP_ DXN_ ADD1 11 11 ADD0 ALERT SMBDATA 14 ...
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Figure 1. MAX1668/MAX1805/MAX1989 Functional Diagram _______________________________________________________________________________________ Multichannel Remote/Local Temperature Sensors 7 ...
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Multichannel Remote/Local Temperature Sensors A/D Conversion Sequence If a start command is written (or generated automatically in the free-running autoconvert mode), all channels are converted, and the results of all measurements are available after the end of conversion. A BUSY ...
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CRTs, clock generators, memory buses, and ISA/PCI buses) are avoided not route the DXP_ to DXN_ lines next to the deflection coils ...
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Multichannel Remote/Local Temperature Sensors sion cycle is truncated, and the data from that conversion is not latched into either temperature-reading register. The previous data is not changed and remains available. In standby mode, supply current drops to about 3µA. At ...
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Table 2. Data Format (Two’s Complement) ROUNDED TEMP TEMP DIGITAL OUTPUT DATA BITS (°C) (°C) SIGN +130.00 +127 0 +127.00 +127 0 +126.50 +127 0 +126.00 +126 0 +25.25 +25 0 +0. +0. +0. ...
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Multichannel Remote/Local Temperature Sensors level sensitive). Successful reading of the alert response address clears the interrupt latch. Command Byte Functions The 8-bit command byte register (Table 4) is the master index that points to the various other registers within the ...
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Manufacturer and Device Two ROM registers provide manufacturer and device ID codes. Reading the manufacturer ID returns 4Dh, which is the ASCII code M (for Maxim). Reading the device ID returns 03h for MAX1668, 05h for MAX1805, and 0Bh for ...
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Multichannel Remote/Local Temperature Sensors Table 5. Configuration Byte Bit Assignments BIT NAME POR 7 (MSB) MASKALL 0 6 RUN/STOP 0 5 MASK4 MASK3 MASK2 0 2 MASK1 0 0 IBIAS1 0 1 IBIAS0 0 *Not available ...
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HIGH LOW SMBCLK SMBDATA t t SU:STA HD:STA A = START CONDITION B = MSB OF ADDRESS CLOCKED INTO SLAVE C = LSB OF ADDRESS CLOCKED INTO SLAVE D = R/W BIT CLOCKED INTO SLAVE Figure ...
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Multichannel Remote/Local Temperature Sensors (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) 16 ______________________________________________________________________________________ Package Information ...
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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 ____________________ 17 © 2003 Maxim Integrated Products ...