DS1631Z/T&R Maxim Integrated Products, DS1631Z/T&R Datasheet
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DS1631Z/T&R
Specifications of DS1631Z/T&R
Related parts for DS1631Z/T&R
DS1631Z/T&R Summary of contents
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FEATURES DS1631 and DS1631A Provide ±0.5°C Accuracy over a 0°C to +70°C Range DS1731 Provides ±1°C Accuracy over a -10°C to +85°C Range DS1631A Automatically Begins Taking Temperature Measurements at Power-Up Operating Temperature Range: -55°C to +125°C (-67°F to ...
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Table 1. ORDERING INFORMATION ORDERING PACKAGE NUMBER MARKING DS1631U+ D1631 (See Note) DS1631U+T&R D1631 (See Note) DS1631Z+ DS1631Z (See Note) DS1631 in Lead-Free 150 mil 8-Pin SO DS1631Z+T&R DS1631Z (See Note) DS1631AU+ 1631A (See Note) DS1631AU+T&R 1631A (See Note) DS1631S+ ...
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Figure 1. FUNCTIONAL DIAGRAM V DD SCL SDA ADDRESS AND I/O CONTROL GND ABSOLUTE MAXIMUM RATINGS* Voltage on any Pin Relative to Ground Operating Temperature Range Storage Temperature Range Solder Dip Temperature (10s) Reflow ...
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DC ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Supply Voltage V DD DS1631, DS1631A T ERR Thermometer Error DS1731 T ERR Thermometer Error Low-Level Input V IL Voltage High-Level Input V IH Voltage SDA Low-Level V OL1 Output Voltage V OL2 Input Current ...
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AC ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Temperature t TC Conversion Time SCL Frequency f SCL Bus Free Time Between a STOP and t BUF START Condition START and Repeated START Hold Time t HD:STA from Falling SCL Low Period of SCL ...
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EEPROM AC ELECTRICAL CHARACTERISTICS PARAMETER EEPROM Write Cycle Time EEPROM Writes EEPROM Data Retention Figure 2. TYPICAL OPERATING CURVES DS1631/DS1631A 0.8 0.6 0.4 0.2 +3 σ 0 Mean -0.2 -3 σ -0.4 -0.6 -0 REFERENCE ...
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Table 3. REGISTER SUMMARY REGISTER NAME SIZE (USER ACCESS) (BYTES) Temperature 2 (Read Only (Read/Write (Read/Write) Configuration (Various bits are 1 Read/Write and Read Only—See Table 5) OPERATION—MEASURING TEMPERATURE The DS1631, DS1631A, and DS1731 ...
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Bits 3 through 0 of the temperature register are hardwired to 0. When the device is configured for 12-bit resolution, the 12 MSbs (bits 15 through 4) of the temperature register contain temperature ...
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Access TL commands. When making changes to the T stopped using the Stop Convert T command if the device is in continuous conversion mode. Note that if the thermostat function is not used, the T Another thermostat feature is ...
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Table 5. CONFIGURATION REGISTER BIT DESCRIPTIONS BIT NAME (USER ACCESS) DONE—Temperature Conversion Done (Read Only) THF—Temperature High Flag (Read/Write) TLF—Temperature Low Flag (Read/Write) NVB—NV Memory Busy (Read Only) R1—Resolution Bit 1 (Read/Write) R0—Resolution Bit 0 (Read/Write) POL*—T Polarity OUT (Read/Write) ...
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SERIAL DATA BUS The DS1631, DS1631A, and DS1731 communicate over a bidirectional 2-wire serial data bus that consists of a serial clock (SCL) signal and serial data (SDA) signal. The DS1631, DS1631A, and DS1731 interface to the bus through ...
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Figure 8. START, STOP, AND ACK SIGNALS SDA SCL START Condition GENERAL 2-WIRE INFORMATION All data is transmitted MSb first over the 2-wire bus. One bit of data is transmitted on the 2-wire bus each SCL period. A pullup resistor ...
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READS The master can read data from the DS1631/DS1631A/DS1731 by issuing an Access Config, Access TH, Access TL, or Read Temperature command following the control byte (see Figures 9c and 9e). After receiving an ACK in response to the ...
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Figure 9 ( e). 2-WIRE INTERFACE TIMING THERM = DS1631, DS1631A, or DS1731 DS1631/DS1631A/DS1731 ...
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OPERATION EXAMPLE In this example, the master configures the DS1631/DS1631A/DS1731 (A conversions and thermostatic function. MASTER THERMETER* MODE MODE ...