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LM90 Datasheet(PDF) 5 Page - Texas Instruments |
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LM90 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 32 page LM90 www.ti.com SNIS126A – MAY 2004 – REVISED MARCH 2013 Temperature-to-Digital Converter Characteristics (continued) Unless otherwise noted, these specifications apply for VDD= +3.0Vdc to 3.6Vdc. Boldface limits apply for TA = TJ = TMIN ≤ TA ≤ TMAX; all other limits TA= TJ= +25°C, unless otherwise noted. Typical(1) Limits(2) Units Parameter Conditions (Limit) Conversion Time of All Temperatures at the Fastest See (4) 31.25 34.4 ms (max) Setting Quiescent Current (5) SMBus Inactive, 16Hz conversion 0.8 1.7 mA (max) rate Shutdown 315 µA D − Source Voltage 0.7 V Diode Source Current (D+ − D−)=+ 0.65V; high level 160 315 µA (max) 110 µA (min) Low level 13 20 µA (max) 7 µA (min) ALERT and T_CRIT_A Output Saturation Voltage IOUT = 6.0 mA 0.4 V (max) Power-On Reset Threshold Measure on VDD input, falling edge 2.4 V (max) 1.8 V (min) Local and Remote HIGH Default Temperature See (6) +70 °C settings Local and Remote LOW Default Temperature See (6) 0 °C settings Local and Remote T_CRIT Default Temperature See (6) +85 °C Setting (4) This specification is provided only to indicate how often temperature data is updated. The LM90 can be read at any time without regard to conversion state (and will yield last conversion result). (5) Quiescent current will not increase substantially with an SMBus. (6) Default values set at power up. Logic Electrical Characteristics DIGITAL DC CHARACTERISTICS Unless otherwise noted, these specifications apply for VDD= +3.0 to 3.6 Vdc. Boldface limits apply for TA = TJ = TMIN to TMAX; all other limits TA= TJ= +25°C, unless otherwise noted. Typical(1) Limits(2) Units Symbol Parameter Conditions (Limit) SMBData, SMBCLK INPUTS VIN(1) Logical “1” Input Voltage 2.1 V (min) VIN(0) Logical “0”Input Voltage 0.8 V (max) VIN(HYST) SMBData and SMBCLK Digital Input 400 mV Hysteresis IIN(1) Logical “1” Input Current VIN = VDD 0.005 ±10 µA (max) IIN(0) Logical “0” Input Current VIN = 0 V −0.005 ±10 µA (max) CIN Input Capacitance 5 pF ALL DIGITAL OUTPUTS IOH High Level Output Current VOH = VDD 10 µA (max) VOL SMBus Low Level Output Voltage IOL = 4mA 0.4 V (max) IOL = 6mA 0.6 (1) Typicals are at TA = 25°C and represent most likely parametric norm. (2) Limits are ensured to AOQL (Average Outgoing Quality Level). Copyright © 2004–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM90 |
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