LM385/385B

PRODUCT DA T ABOOK 1996/1997

3

Copyright © 1996

Rev. 1.2

7/96

ELECTRICAL CHARACTERISTICS

(Unless otherwise specified, these specifications apply to T

Typ number represents T

Parameter

Symbol

Test Conditions

Units

LM385/385B-1.2

Min.

Typ.

Max.

1.205

1.235

1.260

V

1.223

1.235

1.247

V

20

ppm/°C

815

µA

1.5

mV

20

mV

1

Ω

60

µV

20

ppm/kHr

Reverse Breakdown Voltage

LM385

V

Z

I

LM385B

I

Average Temperature Coefficient

∆V

Z

I

∆Temp

Minimum Operating Current

I

MIN

Reverse Breakdown Voltage Chang

e

∆V

Z

I

with Current

∆I

R

1mA

≤ I

Reverse Dynamic Impedance

r

z

I

Wide Band Noise (RMS)

e

n

I

Long Term Stability

∆V

Z

I

∆Time

GRAPH / CURVE INDEX

Characteristic Curves

LM385/385B-1.2

FIGURE #

1.

RESPONSE TIME

2.

REVERSE CHARACTERISTICS

3.

FORWARD CHARACTERISTICS

4.

TEMPERATURE DRIFT

5.

REVERSE VOLTAGE CHANGE

6.

REVERSE DYNAMIC IMPEDANCE

7.

NOISE VOLTAGE

Parameter

Symbol

Test Conditions

Units

LM385/385B-2.5

Min.

Typ.

Max.

2.425

2.500

2.575

V

2.462

2.500

2.538

V

20

ppm/°C

13

20

µA

2mV

20

mV

1

Ω

120

µV

20

ppm/kHr

Reverse Breakdown Voltage

LM385

V

Z

I

LM385B

I

Average Temperature Coefficient

∆V

Z

I

∆Temp

Minimum Operating Current

I

MIN

Reverse Breakdown Voltage Chang

e

∆V

Z

I

with Current

∆I

R

1mA

≤ I

Reverse Dynamic Impedance

r

z

I

Wide Band Noise (RMS)

e

n

I

Long Term Stability

∆V

Z

I

∆Time

Characteristic Curves

LM385/385B-2.5

FIGURE #

8.

RESPONSE TIME

9.

REVERSE CHARACTERISTICS

10. FORWARD CHARACTERISTICS

11. TEMPERATURE DRIFT

12. REVERSE DYNAMIC IMPEDANCE

13. NOISE VOLTAGE

LM385/385B-1.2

LM385/385B-2.5