LM285M National Semiconductor, LM285M Datasheet - Page 3

• Manufacturer Part Number: LM285M
• Description: IC, ADJ SHUNT V-REF, 1.24V, 20mV, 8-SOIC
• Manufacturer: National Semiconductor

Specifications of LM285M

• Topology: Shunt, Programmable
• Reference Voltage: 1.24V
• Reference Voltage Tolerance: 20mV
• Voltage Reference Case Style: SOIC
• No. Of Pins: 8
• Temperature Coefficient: 150ppm/°C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Reference
Voltage
Reference
Voltage
Change with
Current
Dynamic
Output
Impedance
Reference
Voltage
Change with
Output
Voltage
Feedback
Current
Minimum
Operating
Current (see
curve)
Output
Wideband
Noise
Parameter
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 2)
Electrical Characteristics
Reverse Current
Forward Current
Operating Temperature Range (Note 3)
LM185 Series
LM285 Series
LM385 Series
I
I
1mA < I
I
I
I
V
V
I
10kHz
V
V
R
MIN
R
AC
R
R
OUT
OUT
OUT
OUT
= 100μA
= 100μA,
= 100μA
= 100μA, 10Hz < f <
= 0.1 I
< I
Conditions
= V
= 5.3V
= V
= 5.3V
R
R
< 1mA
REF
REF
< 20mA
R
f =
100Hz
V
V
V
5.3V
OUT
REF
OUT
=
=
1.240
Typ
170
0.2
0.3
0.7
13
30
50
4
1
6
−55°C to 125°C
(Note 4)
−40°C to 85°C
Tested Design Tested Design
(Note
1.252
1.255
1.228
1.215
Limit
0°C to 70°C
(Note 1)
10
20
45
LM185BX,
LM285BX,
5)
LM185BY
LM285BY
1
3
9
LM185B,
LM185, LM285
30mA
10mA
(Note
Limit
1.5
20
25
10
50
6)
6
3
(Note
1.265
1.215
Limit
10
20
45
5)
1
3
9
LM285
ESD Susceptibility (Note 8)
Storage Temperature
Soldering Information
See An-450 “Surface Mounting Methods and Their Effect
on Product Reliability” for other methods of soldering
surface mount devices.
TO-92 Package (10 sec.)
TO-46 Package (10 sec.)
SO Package
(Note
1.270
1.205
Limit
Vapor Phase (60 sec.)
Infrared (15 sec.)
1.5
20
25
10
50
6)
6
1.240
Typ
170
0.2
0.4
16
35
50
5
1
2
7
Tested Design Tested Design
(Note
1.252
1.228
Limit
15
30
11
55
5)
LM385BX,
LM385BY
1
5
(Note
1.255
1.215
LM385
Limit
1.5
25
10
35
13
60
6)
(Note
1.265
1.215
Limit
15
30
11
55
5)
1
5
LM385
−55°C to 150°C
(Note
1.270
1.205
Limit
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1.5
25
10
35
13
60
6)
260°C
300°C
215°C
220°C
2kV
(Limit)
(max)
(max)
(max)
(max)
(max)
Units
μV
(min)
mV
mV
nA
μA
Ω
V
V
rms