PDF《低压温度传感器 TMP35/TMP36/TMP37》

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20 TEMPERATURE (°C) C50 LOAD REGULATION (m°C/?A) 典型性能参数

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100 150

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0 40 TEMPERATURE (°C) 0.4 0.3

0 C50

125 C25

0 25

50 75

100 0.2 0.1 POWER SUPPLY REJECTION (°C/V) +VS = 3V TO 5.5V, NO LOAD 00337-009 FREQUENCY (Hz) 100.000 0.010

20 100k

100 1k 10k 00337-005 图5. 负载调整率与温度的关系(m°C/μA) TEMPERATURE (°C) 1.4

0 1.2 1.0 0.8 0.6 0.4 0.2 1.6 1.8 2.0 C50 C25

0 25

50 75

100 125 OUTPUT VOLTAGE (V) a b c a. TMP35 b. TMP36 c. TMP37 +VS = 3V 00337-007 图6. 输出电压与温度的关系 a. MAXIMUM LIMIT (G GRADE) b. TYPICAL ACCURACY ERROR c. MINIMUM LIMIT (G GRADE) TEMPERATURE (°C)

2 C5

1 0 C1 C2 C3 C4

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5 0

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140 a b c ACCURACY ERROR ( ° C) 00337-008 图7. 精度误差与温度的关系 图8. 电源抑制与温度的关系 31.600 10.000 3.160 1.000 0.320 0.100 0.032 POWER SUPPLY REJECTION ( ° C/V) 00337-010 图9. 电源抑制比与频率的关系 TEMPERATURE (°C)

4 3

0 2

1 5 C50

125 C25

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100 MINIMUM SUPPLY VOLTAGE (V) b a MINIMUM SUPPLY VOLTAGE REQUIRED TO MEET DATA SHEET SPECIFICATION NO LOAD a. TMP35/TMP36 b. TMP37 00337-011 图10. 最小电源电压与温度的关系 TMP35/TMP36/TMP37 Rev. F | Page

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20 SUPPLY CURRENT (?A) TEMPERATURE (°C)

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20 60 C50

125 C25

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100 TEMPERATURE (°C)

400 300

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100 C50

125 C25

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100 a. +VS = 5V b. +VS = 3V NO LOAD b a 00337-012 图11. 电源电流与温度的关系 SUPPLY VOLTAGE (V)

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7 0

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5 6 SUPPLY CURRENT ( ? A) TA = 25°C, NO LOAD

8 00337-013 图12. 电源电流与电源电压的关系 TEMPERATURE (°C)

40 30

0 20

10 50 C50

125 C25

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100 a. +VS = 5V b. +VS = 3V NO LOAD a b SUPPLY CURRENT (nA) 00337-014 图13. 电源电流与温度的关系(关断 =

0 V) = +VS AND SHUTDOWN PINS HIGH TO LOW (3V TO 0V) = +VS AND SHUTDOWN PINS LOW TO HIGH (0V TO 3V) VOUT SETTLES WITHIN ±1°C RESPONSE TIME (?s) 00337-015 图14. +VS 上电/掉电的VOUT 响应时间与温度的关系 TEMPERATURE (°C)

400 300

0 200

100 C50

125 C25

0 25

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100 = SHUTDOWN PIN HIGH TO LOW (3V TO 0V) = SHUTDOWN PIN LOW TO HIGH (0V TO 3V) VOUT SETTLES WITHIN ±1°C RESPONSE TIME (?s) 00337-016 图15. SHUTDOWN引脚的VOUT 响应时间与温度的关系 TIME (?s)

0 1.0 0.8 0.6 0.4 0.2 C50

250 0

5 4

0 0

4 0

5 3

0 0

3 0

0 2

0 5

1 0

5 0

0 1

0 OUTPUT VOLTAGE (V)

0 1.0 0.8 0.6 0.4 0.2 TA = 25°C +VS = 3V SHUTDOWN = SIGNAL TA = 25°C +VS AND SHUTDOWN = SIGNAL 00337-017 图16. SHUTDOWN引脚和+VS 引脚的VOUT 响应时间与时间的关系 TMP35/TMP36/TMP37 Rev. F | Page

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20 TIME (s)

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600 a 10mV 1ms b c +VS = 3V, 5V CHANGE (%) a. TMP35 SOIC SOLDERED TO 0.5 * 0.3 Cu PCB b. TMP36 SOIC SOLDERED TO 0.6 * 0.4 Cu PCB c. TMP35 TO-92 IN SOCKET SOLDERED TO

1 * 0.4 Cu PCB

100 90

10 0% TIME/DIVISION VOLT/DIVISION 00337-019 a b 00337-034 图20. 温度传感器宽带输出噪声电压;

增益 = 100,带宽 =

157 kHz 图17. 静止空气条件下的热响应时间 AIR VELOCITY (FPM)

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80 140

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600 TIME CONSTANT (s) a FREQUENCY (Hz)

2400 1000

0 10 10k

100 1k b c a. TMP35 SOIC SOLDERED TO 0.5 * 0.3 Cu PCB b. TMP36 SOIC SOLDERED TO 0.6 * 0.4 Cu PCB c. TMP35 TO-92 IN SOCKET SOLDERED TO