TCN75AVOA Microchip Technology Inc., TCN75AVOA Datasheet
TCN75AVOA
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TCN75AVOA Summary of contents
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... TCN75A © 2006 Microchip Technology Inc. Description: Microchip Technology Inc.’s TCN75A digital tempera- ture sensor converts temperatures between -40°C and +125° digital word, with ±1°C (typ.) accuracy. The TCN75A product comes with user-programmable registers that provide flexibility for temperature-sensing applications. The register settings allow user-select- able, 0.5° ...
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... RES Unit Conditions V μA Continuous operation μA Shutdown mode V V falling edge DD °C 2.7V to 5.5V DD ° 3. samples/sec (typ samples/sec (typ samples/sec (typ samples/sec (typ.) μ Time to 63% (89°C) 27°C (air) to 125°C (oil bath) © 2006 Microchip Technology Inc. ...
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... Specified Temperature Range Operating Temperature Range Storage Temperature Range Thermal Package Resistances Thermal Resistance, 8L-SOIC Thermal Resistance, 8L-MSOP Note 1: Operation in this range must not cause T © 2006 Microchip Technology Inc. = 2.7V to 5.5V, GND = Ground and DD Min Typ Max Units 0.7 V — ...
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... Data Transmission = -40°C to +125°C, A Conditions 10 (SCL, SDA) DD 90 (SCL, SDA) DD Stop Condition © 2006 Microchip Technology Inc. ...
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... Resolution 2.0 0.125°C 1.0 0.0625°C 0.0 -1.0 0.5°C -2.0 0.25°C -3.0 -55 -35 - (°C) A FIGURE 2-3: Average Temperature Accuracy vs. Ambient Temperature, V © 2006 Microchip Technology Inc. 100 3. 90 80% 70% 60% 50% 40% 30% 20% 10 105 125 FIGURE 2-4: = 3.3V. Histogram, T ...
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... V vs. Ambient Temperature. OL DS21935C-page 6 145 Average of 10 samples per package 125 = 5.5V DD 105 = 3. 2. 105 125 -2 vs. FIGURE 2-9: OL vs. Time 105 125 SOIC MSOP 27°C (Air) to 125°C (Oil bath Time (s) TCN75A Thermal Response © 2006 Microchip Technology Inc. ...
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... The operating voltage specified in the DC electrical specification table, is applied on this pin. 3.4 Ground (GND) GND is the system ground pin. © 2006 Microchip Technology Inc. Function Bidirectional Serial Data Serial Clock Input Temperature Alert Output Ground Address Select Pin (bit 2) ...
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... TCN75A to respond with an ACK. Bit 8 in the address byte is a read/write bit. Setting this bit to ‘1’ commands a read operation, while ‘0’ commands a write operation (see Figure 4-1). . B-FREE ‘1’ © 2006 Microchip Technology Inc. ...
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... SCL toggles from low-to-high (see SU-DATA “Sensor And EEPROM Serial Interface Timing Specifications” on Page 4). © 2006 Microchip Technology Inc. 4.1.6 ACKNOWLEDGE (ACK) Each receiving device, when addressed, is obliged to generate an ACK bit after the reception of each byte. 9 The master device must generate an extra clock pulse for ACK to be recognized ...
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... Section 5.3.4.7 “ΣΔ ADC Resolution” for details. . With this method, the Δ ⎛ ⎞ × ( ⁄ ) ----- - ⎝ ⎠ temperature in kelvin = change in diode base-emitter voltage k = Boltzmann's constant q = electron charge = currents with n:1 ratio digital BE “Sensor Configuration Register © 2006 Microchip Technology Inc. ...
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... Bit is set bit 7-3 Unimplemented: Read as ‘0’ bit 2-0 Pointer bits 00 = Temperature register ( Configuration register (CONFIG Temperature Hysteresis register ( Temperature Limit-set register (T . © 2006 Microchip Technology Inc. Resolution One-Shot Shutdown ) HYST Fault Queue Alert Polarity Alert Comp/Int Configuration ...
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... MSB Sign 2 °C -1 LSB 2 °C 0 DS21935C-page 12 Bit Assignment °C 2 °C 2 ° °C 2 °C 0 Resolution Fault Queue ) °C 2 °C 2 ° °C 2 °C 2 ° °C 2 °C 2 ° ALERT COMP/INT Shutdown Polarity °C 2 °C 2 ° °C 2 °C 2 ° © 2006 Microchip Technology Inc. ...
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... Value at POR ‘1’ = Bit is set Note 1: When the 0.5°C, 0.25°C or 0.125°C resolutions are selected, bit 6, bit 7 or bit 8 will remain clear <0>, respectively. © 2006 Microchip Technology Inc. conversion in the background. The decimal code to ambient temperature Equation 5-2: ...
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... Timing Diagram for Reading +25.25°C Temperature from the T Section 4.0 “Serial Communication”). DS21935C-page Pointer A TCN75A MSB Data Master TCN75A Note not necessary to select the register pointer if it was set from the previous read/write. (see Section 4.1. LSB Data Master Register (See A © 2006 Microchip Technology Inc. ...
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... Active-low (Power-up default) bit 1 COMP/INT bit 1 = Interrupt mode 0 = Comparator mode (Power-up default) bit 0 SHUTDOWN bit 1 = Enable 0 = Disable (Power-up default) © 2006 Microchip Technology Inc. 0000 0001 R/W-0 R/W-0 R/W-0 Fault Queue ALERT Polarity U = Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared TCN75A > ...
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... Section 4.0 “Serial Communication”). DS21935C-page CONFIG Pointer TCN75A TCN75A MSB Data TCN75A CONFIG Pointer TCN75A TCN75A Data TCN75A Note not necessary to select the register pointer if it was set from the previous read/write (see Section 4.1.1 © 2006 Microchip Technology Inc. ...
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... Lower Half: R/W-0 R-0 R ° bit 7 Legend Readable bit W = Writable bit -n = Value at POR ‘1’ = Bit is set © 2006 Microchip Technology Inc. (refer to register is 75°C, HYST R/W-0 R/W °C 2 °C 2 °C R-0 R Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared TCN75A ) - ADDRESS < ...
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... Pointer HYST TCN75A TCN75A MSB Data Master TCN75A < >b . 0101 1111 0000 0000 LSB Data TCN75A Note not necessary to select the register pointer if it was set from the previous read/write (see Section 4.1.1 LSB Data Master © 2006 Microchip Technology Inc. ...
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... Lower Half: R/W-0 R-0 R ° bit 7 Legend Readable bit W = Writable bit -n = Value at POR ‘1’ = Bit is set © 2006 Microchip Technology Inc. register is SET ) - ADDRESS < SET R/W-1 R/W °C 2 °C 2 °C R-0 R Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared TCN75A > ...
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... TCN75A TCN75A MSB Data TCN75A Pointer SET TCN75A TCN75A MSB Data Master TCN75A > LSB Data TCN75A Note not necessary to select the register pointer if it was set from the previous read/write. (see Section 4.1. LSB Data Master © 2006 Microchip Technology Inc. ...
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... Note 1: The shutdown command <01> needs to be programmed before sending a one- shot command <11>. © 2006 Microchip Technology Inc. 5.3.4.3 ALERT Output Configuration The ALERT output can be configured as either a comparator output or as Interrupt Output mode using bit 1 of CONFIG. The polarity can also be specified as an active-high or active-low using bit 2 of CONFIG ...
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... DD POWER-UP DEFAULTS Data Power-up Defaults (Hex) 0°C 0000 80°C A000 75°C 9600 Temperature register 00 Continuous Conversion Comparator mode Active-low Output 00 Fault Queue 1 9-bit Resolution for the TCN75A to CONV register with valid temperature data. © 2006 Microchip Technology Inc. ...
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... Temperature Sensor FIGURE 6-2: Multiple Devices on I Bus. © 2006 Microchip Technology Inc. The ALERT output can be wire-ORed with a number of other open-drain devices. In such applications, the output needs to be programmed as an active-low output. Most systems will require pull-up resistors for this configuration. ...
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... In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. DS21935C-page 24 Example: N75A/E 645256 Example: TCN75AV OA^^0645 e 3 256 ) e 3 © 2006 Microchip Technology Inc. ...
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... Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed 0.15 mm per side. 3. Dimensioning and tolerancing per ASME Y14.5M BSC: Basic Dimension. Theoretically exact value shown without tolerances. REF: Reference Dimension, usually without tolerance, for information purposes only. © 2006 Microchip Technology Inc ...
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... A2 NOM MAX 8 1.27 1.55 1.75 1.42 1.55 0.18 0.25 6.02 6.20 3.91 3.99 4.90 5.00 0.38 0.51 0.62 0. 0.23 0.25 0.42 0. © 2006 Microchip Technology Inc. ...
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... Added disclaimers to package outline drawings • Updated package marking information for pb-free markings. Revision B (May 2006) • Revised Product ID System; Added OA713 and UA713 packages. Revision A (January 2005) • Original release of this document. © 2006 Microchip Technology Inc. TCN75A DS21935C-page 27 ...
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... TCN75A NOTES: DS21935C-page 28 © 2006 Microchip Technology Inc. ...
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... Plastic Micro Small Outline (MSOP), 8-lead UA713 = Plastic Micro Small Outline (MSOP), 8-lead Tape & Reel © 2006 Microchip Technology Inc. TCN75A . Examples: a) TCN75AVOA: 8LD SOIC package. b) TCN75AVOA713: Tape and Reel, 8LD SOIC package. a) TCN75AVUA: 8LD MSOP package. b) TCN75AVUA713: Tape and Reel, 8LD MSOP package. DS21935C-page 29 ...
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... TCN75A NOTES: DS21935C-page 30 © 2006 Microchip Technology Inc. ...
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... Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights. © 2006 Microchip Technology Inc. Trademarks The Microchip name and logo, the Microchip logo, Accuron, dsPIC, K ...
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... Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2006 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...