Turning Ideas Into Reality

ABCircuits www.abcircuits.com POB 123 New Hill NC 27562 (919) 290-7104

Part Number TMP7

Copyright © 2014 ABCircuits. Revised September 2014 Page 3 of 10

Example Circuit – USB Thermometer

TMP7

15

9

16

17

18

19

3

6

7

8

10

11

13

14

22

12

20

23

28

21

4

1

2

5

24

25

26

27

SEGRA

NC

SEGRC

SEGRE

SEGRG

NC

MIN-

SEGLF

SEGLD

SEGLB

SEG3G

SEGRF

SEGRB

VSS

SEGLE

SEGRD

SEGLA

SEGLG

VDD

SEGLC

MAX-

FARH

SEG3B

SEG3C

TEMP

SOUT-

SCALE

POL

10K

VCC

t

10K NTC

4.7

.01

REFER TO FT232 DATASHEET

FOR MORE DETAILS

CASE

USB

1

2

3

4

5

VCC

BEAD

VCC

.1

FT232-SSOP

14

13

22

23

11

2

5

1

19

16

15

8

24

27

28

3

6

9

10

12

CBUS3

CBUS2

CBUS1

CBUS0

-CTS

DTR

RXD

TXD

-RST

USBM

USBP

NC

NC

OSCI

OSCO

RTS

RI

DSR

DCD

CBUS4

.1

Example Circuit – RS-232 Thermometer

.1

VCC

t

10K NTC

RXD

VCC

GND

10K

TMP7

15

9

16

17

18

19

3

6

7

8

10

11

13

14

22

12

20

23

28

21

4

1

2

5

24

25

26

27

SEGRA

NC

SEGRC

SEGRE

SEGRG

NC

MIN-

SEGLF

SEGLD

SEGLB

SEG3G

SEGRF

SEGRB

VSS

SEGLE

SEGRD

SEGLA

SEGLG

VDD

SEGLC

MAX-

FARH

SEG3B

SEG3C

TEMP

SOUT-

SCALE

POL

.1

U2= MAX3232 FOR 3V RS232

RS232

U2= MAX232 FOR 5V RS232

DB9S

1

2

3

4

5

6

7

8

8

9

TXD

VCC

VCC

U2

SEE NOTES

1

3

4

5

2

6

11

14

10

7

12

13

9

8

C1+

C1-

C2+

C2-

V+

V-

T1in

T1out

T2in

T2out

R1out

R1in

R2out

R2in

.1

.1