TL441

LOGARITHMIC AMPLIFIER

SLVS328 – OCTOBER 2000

6

POST OFFICE BOX 655303

Figure 5

DIFFERENTIAL OUTPUT OFFSET VOLTAGE

vs

FREE-AIR TEMPERATURE

TA – Free-Air Temperature – °C

60

50

40

30

20

10

0

– 75 – 50 – 25

0

25

50

75

100

125

VCC

± = ±6 V

See Figure 1

Figure 6

QUIESCENT OUTPUT VOLTAGE

vs

FREE-AIR TEMPERATURE

TA – Free-Air Temperature – °C

– 75 – 50 – 25

0

25

50

75

100

125

8

7

6

5

4

3

2

1

0

VCC

± = ±6 V

See Figure 2

Figure 7

TA – Free-Air Temperature – °C

– 75 – 50 – 25

0

25

50

75

100

125

12

10

8

6

4

2

0

DC SCALE FACTOR

vs

FREE-AIR TEMPERATURE

VCC

± = ±6 V

See Figure 3

Figure 8

TA – Free-Air Temperature – °C

– 75 – 50 – 25

0

25

50

75

100

125

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

DC ERROR

vs

FREE-AIR TEMPERATURE

VCC

± = ±6 V

See Figure 3

† Data at high and low temperatures are applicable only within the recommended operating free-air temperature ranges of the various devices.