9

LTC1050

1050fb

S

APPLICATI

TYPICAL

Single Supply Thermocouple Amplifier

–

+

LTC1050

7

5V

0.068µF

0°C ~ 100°C TEMPERATURE RANGE

100Ω

1k

1%

2

3

1050 TA04

7

2

45

5V

4

0.1µF

TYPE K

+

–

6

10mV/°C

255k

1%

K

LT1025A

GND

–

+

LTC1050

7

1050 TA06

5V

TYPE K

2

LT1004-1.2

3

4

100k

1%

6

5V = NO AIR FLOW

0V = AIR FLOW

1k

AMBIENT

TEMPERATURE

STILL AIR

10k

43.2Ω

1%

240Ω

–

+

–

+

AIR FLOW

Air Flow Detector

–

+

LTC1050

7

0.33µF

10µF

0°C ~ 500°C TEMPERATURE RANGE

2°C MAX ERROR

*THERMOCOUPLE LINEARIZATION CODE AVAILABLE FROM LTC

1k

0.1%

6

2

4

2

3

1050 TA05

8

2

45

4

1µF

LTC1092

TO µP*

1µF

TYPE J

+

–

6

0.1µF

178k

0.1%

1N4148

3.4k

1%

47Ω

J

LT1025A

GND

CS

+IN

–IN

GND

CLK

1

2

3

4

8

7

6

5

LT1021C-5

+

Battery-Operated Temperature Monitor with 10-Bit Serial Output A/D