LM285 LM385, B

5

MOTOROLA ANALOG IC DEVICE DATA

V(BR), REVERSE VOLTAGE (V)

1.1

t, TIME (ms)

0

1.0

0.9

0.8

0.7

0.6

0.3

0.2

0.1

2.50

3.00

1.50

1.00

0

5.0

0.50

10

0

2.00

Input

DUT

Output

100 k

100

1.0 K

100 k

10 K

10

0

250

500

750

1500

1250

1000

f, FREQUENCY (Hz)

125

TA , AMBIENT TEMPERATURE (°C)

2.450

2.470

2.490

2.510

2.520

100

75

50

025

–25

–50

10

0.01

100

1.0

0.1

1.2

1.0

0.8

0.6

0.4

0.2

0

IF , FORWARD CURRENT (mA)

TYPICAL PERFORMANCE CURVES FOR LM285–2.5/385–2.5/385B–2.5

0.5

1.0

1.5

2.0

2.5

3.0

10

3.5

100

1.0

0.1

0

Figure 7. Reverse Characteristics

Figure 8. Reverse Characteristics

0.1

1.0

10

100

0.01

8.0

6.0

4.0

2.0

0

–2.0

10

IR, REVERSE CURRENT (mA)

TA = + 85°C

+25

°C

–40

°C

TA = + 85°C

+25

°C

–40

°C

Figure 9. Forward Characteristics

TA = – 40°C

+25

°C

+85

°C

Figure 10. Temperature Drift

IR = 100 µA

Figure 11. Noise Voltage

Figure 12. Response Time

2.460

2.480

2.500