spx385am1-1.2/tr ETC-unknow, spx385am1-1.2/tr Datasheet

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spx385am1-1.2/tr

Manufacturer Part Number
spx385am1-1.2/tr
Description
Micropower Voltage Reference
Manufacturer
ETC-unknow
Datasheet
1.SPX385AM1-1.2TR.pdf (8 pages)
FEATURES
APPLICATIONS
The SPX385-1.2 is a micropower 2-terminal band-gap voltage reference with a very wide
operating current range from 10µA to 20mA that provides a stable voltage. The high stability of
this device is primarily the result of the low temperature coefficient Thin Film Resistor process and
Laser Trimming of the output voltage at the wafer level.
The SPX385-1.2 is available in a TO-92, SOIC-8 and SOT-89 package with an operating
temperature range of -40°C to 85°C. A 2.5 and 5.0 volt devices are also available - SPX385-2.5,
SPX385-5.0.
Date: 5/25/04
Figure 1: Block Diagram
Low Output Voltage ................................ 1.235V
Dynamic Impedance...............................1Ω max
Low Temperature Coefficient........30ppm/°C (typ)
Operating Current ........................ 10µA to 20mA
Extended Temperature Range .. -40°C to +85°C
Initial Tolerance..................................1% and 2%
Pin Compatible with LM185/285/385, 1.23V
Portable Meter Reference
Portable Test Instruments
Battery Operated Systems
Panel Meters
®
SPX385-1.2 Micropower Voltage Reference
1.235V
Cathode (K)
Anode (A)
Micropower Voltage Reference
+
-
1
CATHODE
Now Available in Lead Free Packaging
N/C
N/C
N/C
1
2
3
4
SPX385-1.2
8 Pin nSOIC
SPX385-1.2
© Copyright 2004 Sipex Corporation
BLOCK DIAGRAM
DESCRIPTION
8
7
6
5
ANODE
N/C
N/C
N/C

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spx385am1-1.2/tr Summary of contents

Page 1

FEATURES Low Output Voltage ................................ 1.235V Dynamic Impedance...............................1Ω max Low Temperature Coefficient........30ppm/°C (typ) Operating Current ........................ 10µA to 20mA Extended Temperature Range .. -40°C to +85°C Initial Tolerance..................................1% and 2% Pin Compatible with LM185/285/385, 1.23V APPLICATIONS Portable Meter Reference ...

Page 2

ABSOLUTE MAXIMUM RATINGS Reverse Current (I )) ................................................................. 30mA KA Forward Current (I ) .................................................................. 10mA AK Operating Temperature Range (T ) ................................. -40 to +85°C A Continuos Power Dissipation at 25° TO-92 ................................................................... 775mW SOIC-8 ................................................................. ...

Page 3

Figure 3. Test Circuit for REF 1.250 I = 10mA K 1.245 1.240 1.235 1.230 1.225 1.200 1.150 1.100 -60 - Ambient Temperature (°C) A Figure ...

Page 4

SPX385-1.2 Figure 8. Reference from 1.5V Battery V = 2.3V to 30V IN LM334 4.3k SPX385-1.2 Figure 10. Wide Input Range Reference Date: 5/25/04 TYPICAL PERFORMANCE CHARACTERISTICS Figure 9. Micropower Reference from 9V Battery 1M OUT 1.2V ...

Page 5

D e E/2 1 INDEX AREA (D/2 X E1/2) TOP VIEW SIDE VIEW 8 Pin NSOIC DIMENSIONS (JEDEC MS-012, Minimum/Maximum AA - VARIATION) (mm) COMMON HEIGHT DIMENSION SYMBOL MIN NOM MAX A - 1.35 A1 0.10 - ...

Page 6

W b DIMENSIONS 3 PIN TO-92 CARSEM DWG # Minimum/Maximum TLG920001 COMMON HEIGHT DIMENSION SYMBOL MIN NOM MAX A 4.32 b 0.36 3. 1.14 L 12.70 2. 0.41 D 4.45 ...

Page 7

Ø1 PIN SOT-89 Dimensions in (mm) LINGSEN # PO-SOT-004 MIN A 1.40 b 0.36 0.41 b1 0. 1.40 2. 1.45 2.90 e1 3.94 H 0.80 L ...

Page 8

... N/C N N/C CATHODE Top View Part Number Accuracy SPX385AM1-1.2 SPX385AM1-1.2/TR SPX385AS-1.2 SPX385AS-1.2/TR SPX385AN-1.2 SPX385AN-1.2/TR SPX385M1-1.2 SPX385M1-1.2/TR SPX385S-1.2 SPX385S-1.2/TR SPX385N-1.2 SPX385N-1.2/TR Available in lead free packaging. To order add "-L" suffix to part number. Example: SPX385S-1.2/TR = standard; SPX385S-L-1.2/TR = lead free /TR = Tape and Reel Pack quantity is 2000 for TO-92 ...

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