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Part: AMS1009B
Category:
Power Management
-> Voltage References
Description: Voltage Reference Diode
Company: Advanced Monolithic Systems
Datasheet: Download AMS1009B datasheet File size : 261 kB
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Datasheet text preview:
Advanced Monolithic Systems
FEATURES
· ±5 mV (±0.2%) Max. Initial Tolerance (A grade) · Wide Operating Current Range · Low Voltage Reference 2.5V · Max. 0.6 Dynamic Impedance (A grade) · Low Temperature Coefficient
AMS1009
VOLTAGE REFERENCE DIODE
APPLICATIONS
· Power Supplies · Instrumentation · 8 Bit A/D, D/A Reference · Current Loop Measurement and Control Systems · Reference for 5V Systems
GENERAL DESCRIPTION
The AMS1009 is a precision band-gap voltage reference diode. This voltage reference features a very low dynamic impedance and good temperature coefficient, operating over a wide current range of 400µA to 10mA. On-chip trimming is used to provide tight tolerance and minimize temperature drift. A third terminal allows the reference voltage to be adjusted to ±5% to calibrate out system errors. The AMS1009 is used as a precision 2.5V low voltage reference for digital voltmeters, power supplies or op amp circuitry, and the 2.5V make it easy to obtain a stable reference from 5V logic supplies. The AMS1009 is available in TO-92 and SO-8 packages operating over a 0°C to 70°C temperature range.
ORDERING INFORMATION:
TOL. PACKAGE TYPE 8 LEAD SOIC AMS1009AS AMS1009BS OPERATING TEMPERATURE RANGE 0 to 70° C 0 to 70° C
TO-92 ±5mV AMS1009AN ±10mV AMS1009BN
PIN CONNECTIONS
TO-92 Plastic Package (N) 8L SOIC SO Package (S)
+ 8 N / C N / C ADJ 7 6 5
3
2
1
1
2
3
N/C N/C N/C
4 -
Bottom View
Top View
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
Fax (925) 443-0723
AMS1009
ABSOLUTE MAXIMUM RATINGS (Note 1)
Reverse Current 20mA Forward Current 10mA Operating Temperature Range 0°C to 70°C Storage temperature -55°C to +150°C Soldering information TO-92 package: 10 sec. SOIC package: Vapor phase (60 sec) Infrared (15 sec.) 260°C 215°C 220°C
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at IR = 1 mA, and TA = +25°C unless otherwise specified. Parameter
Reverse Breakdown Voltage Reverse Dynamic Impedance Reverse Breakdown Voltage Change with current Temperature Stability Average Temperature Coeff. Long Term Stability (Note 4) 400µA IR 10mA TMIN TA TMAX 0°C TA 70°C TA=25°C±.1°C T = 1000 Hr
Conditions
Min
2.495
AMS1009A Typ Max
2.500 0.2 0.4 2.6 3 1.8 15 20 2.505 0.6 1.4 10 12 4 25
Min
2.490
AMS1009B Typ Max
2.500 0.2 0.4 2.6 3 1.8 15 20 2.510 1.0 1.4 10 12 4 25
Units
V mV mV ppm/°C ppm
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Note 2: For elevated temperature operation, Tj max is +125°C Thermal Resistance
JA (junction to ambient)
TO-92
170°C/W (0.125" leads)
SO-8
165°C/W
Note 3: Parameters identified with boldface type apply at temperature extremes. All other numbers apply at TA = TJ = 25°C. Note 4: The average temperature coefficient is defined as the maximum deviation of reference voltage at all measured temperatures between the operating TMAX
and TMIN, divided by TMAX - TMIN. The measured temperatures are 0°C, 25°C and 70°C.
TYPICAL PERFORMANCE CHARACTERISTICS
Reverse Characteristics REVERSE VOLTAGE CHANGE (mV) 10-1 REVERSE CURRENT (µA) 5 2.5 VOLTAGE SWING (V) 4 3 2 2.0 1.0 0
5k INPUT OUTPUT
Reverse Voltage Change
Response Time
OUTPUT
10-2
10-3
TJ =25° C
10-4
TJ =70° C TJ = 0° C
~ ~ 10
INPUT
~~ ~~
~ ~ ~ ~
1 0
0.5
1.8 2.2 1.0 1.4 REVERSE VOLTAGE (V)
2.6
0
4 12 16 8 REVERSE CURRENT (mA)
20
0
1 TIME (µs)
~ ~
20
10-5
4 0
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
Fax (925) 443-0723
AMS1009
TYPICAL APPLICATIONS
2.5V Reference
VIN= 5V TO 35V
Wide Supply Range, Adjustable Reference
+3.6V TO +40V V+ LM334
3.6k OUTPUT AMS1009 10k* TRIM
V-
R 62 OUTPUT
AMS1009
10k
*Does not affect Temperature Coefficient
Low Temperature Coefficient Power Regulator
AMS1085 VIN IN OUT ADJ 1.2k 375 VOUT
AMS1009
2k
PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted.
3 LEAD TO-92 PLASTIC PACKAGE (N)
0.060±0.005 (1.524±0.127) DIA
0.180±0.005 (4.572±0.127) 0.060±0.010 (1.524±0.254) 0.140±0.010 (3.556±0.127)
0.180±0.005 (4.572±0.127)
0.90 (2.286) NOM
5° NOM 0.500 (12.70) MIN
10° NOM
0.050 (1.270) MAX
UNCONTROLLED LEAD DIMENSIONS
0.050±0.005 (1.270±0.127)
0.016±0.003 (0.406±0.076)
0.015±0.002 (0.381±0.051)
N (TO-92 ) AMS DRW# 042391
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
Fax (925) 443-0723
AMS1009
PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted (Continued).
8 LEAD SOIC PLASTIC PACKAGE (S)
0.189-0.197* (4.801-5.004) 8 7 6 5
0.228-0.244 (5.791-6.197)
0.150-0.157** (3.810-3.988)
1
2
3
4
0.053-0.069 (1.346-1.752) 0.004-0.010 (0.101-0.254) 0.008-0.010 (0.203-0.254)
0.010-0.020 x 45° (0.254-0.508) 0°-8° TYP
0.014-0.019 (0.355-0.483)
0.050 (1.270) TYP
0.016-0.050 (0.406-1.270)
S (SO-8 ) AMS DRW# 042293
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE **DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
Fax (925) 443-0723
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