TLE2142, TLE2142A, TLE2142Y

EXCALIBUR LOW-NOISE HIGH-SPEED

PRECISION DUAL OPERATIONAL AMPLIFIERS

SLOS064B – DECEMBER 1990 – REVISED AUGUST 1994

5–26

POST OFFICE BOX 655303

250

100

50

0

1

100

1 k

150

f – Frequency – Hz

200

10 k

EQUIVALENT INPUT NOISE VOLTAGE

vs

FREQUENCY

24

6

0

250

810

t – Time – s

INPUT NOISE VOLTAGE

OVER A 10-SECOND PERIOD

500

750

TA = 125°C

TA = – 55°C

TA = 25°C

VCC

± = ±15 V

RS = 20 Ω

VCC

± = ±15 V

f = 0.1 Hz to 10 Hz

TA = 25°C

10

– 250

– 500

– 750

0

Figure 23

Figure 24

4

2

0

6

8

10

100

1 k

10 k

f – Frequency – Hz

EQUIVALENT INPUT NOISE CURRENT

vs

FREQUENCY

0.001%

10

1 k

10 k

100 k

TOTAL HARMONIC DISTORTION + NOISE

vs

FREQUENCY

0.01%

0.1%

1%

100

f – Frequency – Hz

TA = – 55°C

TA = 25°C

VO(PP) = 20 V

VCC

± = ±15 V

TA = 25°C

AV = 100

RL = 600 Ω

AV = 100

RL = 2 kΩ

AV = 10

RL = 2 kΩ

AV = 10

RL = 600 Ω

TA = 125°C

1

Figure 25

Figure 26

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