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LM336Z-2.5#TRPBF

P1-P3P4-P4
1
LM136-2.5/LM336-2.5
APPLICATIO S
U
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
■
Reference for 5V Systems
■
8-Bit A/D and D/A Reference
■
Digital Voltmeters
■
Current Loop Measurement and Control Systems
■
Power Supply Monitor
■
Guaranteed
Temperature Stability
■
Maximum 0.6Ω Dynamic Impedance
■
Adjustable for Minimum Temperature Coefficient
■
Wide Operating Current Range
2.5V Reference
The LM136-2.5 is a general purpose shunt regulator diode
designed to operate over a wide current range while
maintaining good stability with time and temperature. The
third terminal allows either the temperature coefficient to
be minimized or the reference voltage to be adjusted
without changing the temperature coefficient. Because it
operates as a shunt regulator it can be used equally well as
a positive or negative reference.
The LM136-2.5 is available with initial tolerances as low as
1% in either a TO-46 metal can for hermetic requirements
or a low cost TO-92 plastic package.
Linear’s advanced design, test and process techniques
have optimized the LM136-2.5 to achieve superior perfor-
mance and reliability over previous designs. For more
demanding precision reference applications requiring very
low initial tolerance and temperature coefficients, consult
the LT1009 data sheet. A typical 2.5V reference with trim
is shown below.
, LTC and LT are registered trademarks of Linear Technology Corporation.
136/336 TA01a
5V TO 35V
3.6k
10k*
TRIM
LM336-2.5
OUTPUT
*DOES NOT AFFECT
TEMPERATURE
COEFFICIENT
REVERSE CURRENT (mA)
0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
6
136/336 TA01b
24 810
REVERSE VOLTAGE CHANGE (mV)
T
A
= 25°C
2.5V Reference
Reverse Voltage Change
LM136-2.5/LM336-2.5
2
LM136/LM136A LM336/LM336B
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
Z
Reverse Breakdown Voltage T
A
= 25°C, I
R
= 1mA
LM136/LM336 2.440 2.490 2.540 2.390 2.490 2.590 V
LM136A/LM336B 2.465 2.490 2.515 2.440 2.490 2.540 V
∆V
Z
Reverse Breakdown Change 400µA ≤ I
R
≤ 10mA
∆I
R
with Current T
A
= 25°C 2.6 6 2.6 10 mV
T
MIN
≤ T
A
≤ T
MAX
● 3.0 10 3.0 12 mV
r
Z
Reverse Dynamic Impedance I
R
= 1mA
T
A
=25°C 0.2 0.6 0.2 1.0 Ω
T
MIN
≤ T
A
≤ T
MAX
● 0.4 1.0 0.4 1.4 Ω
∆V
Z
Temperature Stability V
R
Adjusted to 2.490V, I
R
= 1mA,
∆Temp T
MIN
≤ T
A
≤ T
MAX
(See Figure 1) ● 12 18 1.8 6 mV
∆V
Z
Long Term Stability T
A
= 25°C ± 0.1°C, I
R
= 1mA 20 20 ppm/kHr
∆Time
Operating Temperature Range
LM136-2.5 (OBSOLETE) .............. –55°C to 125°C
LM336-2.5 .............................................. 0°C to 70°C
Storage Temperature Range ................. –65°C to 150°C
ORDER PART
NUMBER
T
JMAX
= 150°C, θ
JA
= 160°C/W
LM136H-2.5
LM136AH-2.5
LM336H-2.5
LM336AH-2.5
ABSOLUTE AXI U RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UUW
(Note 1)
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 2)
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ORDER PART
NUMBER
LM336Z-2.5
LM336BZ-2.5
BOTTOM VIEW
Z PACKAGE
3-LEAD PLASTIC TO-92
ADJ
+
–
BOTTOM VIEW
H PACKAGE
3-LEAD TO-46 METAL CAN
+
–
ADJ
Lead Temperature (Soldering, 10 sec).................. 300°C
Reverse Current.................................................... 15mA
Forward Current ................................................... 10mA
OBSOLETE PACKAGE
Consider the Z Packages for Alternate Source
(NOTE 2)
T
JMAX
= 150°C, θ
JA
= 440°C/W
(NOTE 2)
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The LT1009 is an improved, low cost, pin for pin replacement for
the “A” and “B” versions. For further information consult the LT1009 data
sheet.
136/336 F01
V
+
R
5k
1mA
2.490V
*ADJUST TO 2.490
†
ANY SILICON
SIGNAL DIODE
D1
†
D2
†
*
D1, D2 1N4148
Figure 1. Adjusting the LM336 for
Minimum Temperature Coefficient
3
LM136-2.5/LM336-2.5
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Reverse Characteristics
Forward Characteristics
Temperature Drift
Dynamic Impedance
Zener Noise Voltage
Response Time
W
SCHE ATIC DIAGRA
W
136/336 SD
30pF
20pF
Q2
Q1
Q3 Q5
Q4 Q6
Q12 Q14
Q13
10k
30k
2k 1.1k
6.6k
500Ω
6.6k24k
24k
50k
Q18
Q15
Q11Q10
Q8
Q7
Q16
Q17
Q9
ADJ
+
–
REVERSE VOLTAGE (V)
0.6
REVERSE CURRENT (A)
2.2
136/336 • G01
1.0
1.4
1.8
2.6
10
–1
10
–2
10
–3
10
–4
10
–5
T
j
= 125°C
T
j
= –55°C
T
j
= 25°C
FORWARD CURRENT (mA)
0.001
FORWARD VOLTAGE (V)
1.2
1.0
0.8
0.6
0.4
0.2
0
0.01 0.1 1 10
136/336 G02
T
j
= 25°C
TEMPERATURE (°C)
–55
REVERSE VOLTAGE (V)
2.59
2.57
2.55
2.53
2.51
2.49
2.47
2.45
2.43
2.41
2.39
2.37
85 105
136/336 G03
–35
255–15
45 65
125
I
R
= 1mA
FREQUENCY (Hz)
10 100 1k 10k 100k
DYNAMIC IMPEDANCE (Ω)
100
10
1
0.1
136/336 G04
I
R
= 1mA
–55°C ≤ T
j
≤ 125°C
FREQUENCY (Hz)
10
NOISE (nV/√Hz)
10k
100k
136/336 G05
100 1k
250
200
150
100
50
I
R
= 1mA
T
j
= 25°C
TIME (µs)
0
VOLTAGE SWING (V)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
12
8
4
0
120
136/336 G06
OUTPUT
INPUT
5.1k
OUTPUT
INPUT
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
P1-P3P4-P4

LM336Z-2.5#TRPBF

Mfr. #:
Buy LM336Z-2.5#TRPBF
Manufacturer:
Analog Devices Inc.
Description:
Voltage References 2.5 V Ref
Lifecycle:
New from this manufacturer.
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