LM285 LM385, B

3

MOTOROLA ANALOG IC DEVICE DATA

LM285–2.5

LM385–2.5/LM385B–2.5

Characteristic

Symbol

Min

Typ

Max

Min

Typ

Max

Unit

Reverse Breakdown Voltage (IRmin p IR p 20 mA)

V(BR)R

V

LM285–2.5/LM385B–2.5

2.462

2.5

2.538

2.462

2.5

2.538

TA = Tlow to Thigh (Note 1)

2.415

–

2.585

2.436

–

2.564

LM385–2.5

–

–

–

2.425

2.5

2.575

TA = Tlow to Thigh (Note 1)

–

–

–

2.400

–

2.600

Minimum Operating Current

IRmin

µA

TA = 25°C

–

13

20

–

13

20

TA = Tlow to Thigh (Note 1)

–

–

30

–

–

30

Reverse Breakdown Voltage Change with Current

∆V(BR)R

mV

IRmin p IR p 1.0 mA, TA = +25°C

–

–

1.0

–

–

2.0

TA = Tlow to Thigh (Note 1)

–

–

1.5

–

–

2.5

1.0 mA

p IR p 20 mA, TA = +25°C

–

–

10

–

–

20

TA = Tlow to Thigh (Note 1)

–

–

20

–

–

25

Reverse Dynamic Impedance

Z

0.6

–

–

0.6

–

W

IR = 100 µA, TA = +25°C

Average Temperature Coefficient

∆V(BR)/∆T

–

80

–

–

80

–

ppm/

°C

20

µA p IR p 20 mA, TA = Tlow to Thigh (Note 1)

Wideband Noise (RMS)

n

–

120

–

–

120

–

µV

IR = 100 µA, 10 Hz p f p 10 kHz

Long Term Stability

S

–

20

–

–

20

–

ppm/

IR = 100 µA, TA = +25°C ± 0.1°C

kHR

NOTES: 1. Tlow = – 40°C for LM285–1.2, LM285–2.5

Thigh = +85°C for LM285–1.2, LM285–2.5

= 0

°C for LM385–1.2, LM385B–1.2, LM385–2.5, LM385B–2.5