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| AN6701S Temperature Sensor IC s Overview The AN6701S is an integrated circuit designed for temperature sensing. Since a temperature characteristic adjusting circuit and buffer amp. in addition to temperature sensor circuit are integrated, the temperature sensing operation with high sensitivity as well as high precision can easily be done by a single external resistor. 0.40.25 Unit : mm 0.60.3 1 2 3 4 8 7 6 5 5.00.3 0.15 0.65 1.50.2 s Features * High sensitivity (100mV/C) * Excellent linearity (non linearity.0.5%) * Easy calibration with an external resistor * High precision (1C) with calibration 0.10.1 1.27 0.3 4.20.3 6.50.3 8-pin PANAFLAT Plastic Package (SOP008-P-0225A) s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 VCC Output voltage GND RC NC NC NC NC Pin name s Block Diagram 1 VCC Temperature Detecter + - Offset Temp. Adjuster Buffer Amp. 2 VO 4 RC 3 GND s Absolute Maximum Ratings (Ta=25C) Parameter Supply voltage Supply current Power dissipation Operating ambient temperature Storage temperature Symbol VCC ICC PD Topr Tstg Rating 16 4 70 -10 to + 80 -55 to +125 Unit V mA mW C C s Typical Characteristics Parameter Applicable temperature Sensitivity (RC=1 to 100k) Non-linearity Offset temperature (RC=1 to 100k) Thermal constant (during quiescent airing) Thermal constant (during spray airing) Thermal resistance (during quiescent airing) Value -10 to + 80 104 to 112 0.5 -30 to -10 24 11 300 Unit C mV/C % C s s C/W Note) Offset temperature is a temperature in which output becomes "0" when input/output characteristics are inserted externally. s Electrical Characteristics (Ta=-10C -- +80C) Parameter Supply voltage Supply current Symbol VCC ICC Condition RC=10k, RL= VCC=15V, RC=10k, RL=, Ta=25C Not calibrated 1), VCC=15V, Ta=0C Not calibrated 1), VCC=15V, Ta=25C Not calibrated 1), VCC=15V, Ta=80C Calibrated 2), VCC=15V, Ta=-10C Calibrated 2), VCC=15V, Ta=60C Calibrated 2), VCC=15V, Ta=80C RC=10k, Ta=0C, VCC=5 to 15V Not calibrated 1), VCC=15V, Ta=0 to 80C RC=10k, VCC=9V, Ta=25C, DVO=50mV min 5 0.2 1.3 4 10 1.1 8.6 10.8 typ 9 0.4 2.3 5 11 1.2 8.8 11 0.15 0.5 100 30 200 max 15 0.8 3.3 6 12 1.4 9 11.2 0.22 2 Unit V mA V V V V V V V % A Output voltage VO Supply voltage fluctuate due to output change Non-linearity Output current Output resistance DVOV NL IO RO Note1) RC=10k Note2) Adjust RC value to be VO=5.0V when Ta=25C s Characteristics Curve ICC -Ta 1000 VCC =15V RC =10k 800 Ta =25C 14 ICC -VCC 16 VO -Ta VCC =15V RC =100k Supply Current ICC (A) Supply Current ICC (A) 800 600 Output Voltage VO (V) RC = 1k 10k 12 10k 10 8 6 4 2 1k 600 400 400 200 200 0 -20 0 20 40 60 80 0 4 6 8 10 12 14 16 0 -20 0 20 40 60 80 100 Ambient Temperature Ta (C) Supply Voltage VCC (V) Ambient Temperature Ta (C) VO -VCC 12 (Calibrated) 10 Ta=80C 114 S - Toffset 100 70 50 30 20 10 5 3 2 VCC =12V DTa=55C 16 102 -35 1 -30 -25 -20 -15 -10 -5 0 10 DVO - t T=24s (during quiescent airing) Output Voltage VO (V) 60C 8 40C 6 20C 4 0C 2 -10C 0 110 108 Output Change Rate DVO (%) 112 Sensitivity S (mV/C) 106 T=11s (during spray airing) 104 4 6 8 10 12 14 20 30 40 50 Supply Voltage VCC (V) Offset Temperature Toffset (C) Time t (s) s Application Circuit 5 to 15V 1 2 110mV/C 1 2 110mV/C AN6701S 4 3 RC AN6701S 4 3 RC -5 to+15V (a) When positive power supply is used. (b) When negative power supply is used. 5 to 15V 1 10k 2 100k 4 RC 100k - AN6701S 3 + 110mV/C 10k (c) When output polarity is inverted. |
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