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FAN4040
Precision Micropower Shunt Voltage Reference
Features
* * * * * * * Fixed 2.500V, 3.300V and 5.00V Tolerances to 0.1% (25C) Low output noise Low temperature coefficient to 100ppm/C Small package Extended operating current range Extended temperature range
Description
The FAN4040 series of precision shunt references are ideal for space- and cost-sensitive applications. They are available in three output voltages (2.500V, 3.300V and 5.00V) and with four output voltage tolerances (0.1%, 0.2%, 0.5% and 1%). They also have excellent temperature coefficients, to 100ppm/C for the tighter tolerance grades. The FAN4040 series has an extended operating current range, sinking as much as 25mA. The FAN4040 series is available in SOT-23 package.
Applications
* * * * * Portable equipment Disk drives Instrumentation Audio equipment Data acquisition systems
Connection Diagrams
SOT-23
+ 1 3* - 2 *This pin must be left floating or connected to pin 2.
Top View
REV. 1.0.5 1/29/03
FAN4040
PRODUCT SPECIFICATION
Absolute Maximum Ratings1
Ratings are over full operating free-air temperature range unless otherwise noted. Parameter Continuous cathode current, IK Power dissipation Storage Temperature Range Lead Temperature (Soldering, 10 sec.) Min. -30 -65 Max. 30 150 300 Unit
mA
See Dissipation Rating Table C C
Notes: 1. Functional operation under these conditions is not implied. Permanent damage may occur if the device is subjected to conditions outside these ratings.
Recommended Operating Conditions
Parameter Continuous cathode current, IK Operating temperature range in free air, TA I Grade E Grade Min. 0.025 -40 -40 Max. 25 85 125 Unit mA C
C
Dissipation Rating Table
Package SOT231 Power Rating TA 25C 306mW Derating Factor TA 25C 3.0mW/C Power Rating TA = 70C 168mW
Note: 1. It is recommended to connect pin 3 to pin 2 to ensure optimal thermal performance.
Equivalent Schematic
+
+ _
_
2
REV. 1.0.5 1/29/03
PRODUCT SPECIFICATION
FAN4040
Guaranteed Electrical Characteristics, FAN4040-2.5, Industrial Temperature Range
(TA = 25C unless otherwise specified, in free air) The * denotes specifications which apply over the full operating temperature range. Parameter Reverse Breakdown Voltage Reverse Breakdown Voltage Tolerance IRMIN Minimum Operating Current VR/T Reverse Breakdown Voltage Temperature Coefficient VR (IK) Reverse Breakdown Voltage Change with Operating Current ZKA eN VR
*Typical.
Symbol VR TCVR
Conditions IK = 100A IK = 100A
IK = 1mA IRMIN IK 1mA 1mA IK 15mA 1mA IK 25mA IK=1mA, f=120Hz, IAC=0.1IK IK=100A, 10Hz f 10kHz t=1000hrs, T=25C, IK=100A
Limits A B C D 2.500 2.500 2.500 2.500 2.5 5.0 12 25 * 19 21 29 49 * 65 65 65 70 * 100 100 100 150 * * 1.2 8.0 10 1.0 35 120 1.2 8.0 10 1.0 35 120 1.2 8.0 10 1.0 35 120 1.5 10.0 12 1.3 35 120
Units V* mV mV A ppm/C mV mV mV* * VRMS* ppm*
Reverse Dynamic Impedance Wideband Noise Reverse Breakdown Voltage Long-term Stability
Guaranteed Electrical Characteristics, FAN4040-3.3, Industrial Temperature Range
(TA = 25C unless otherwise specified, in free air) The * denotes specifications which apply over the full operating temperature range. Parameter Reverse Breakdown Voltage Reverse Breakdown Voltage Tolerance IRMIN Minimum Operating Current VR/T Reverse Breakdown Voltage Temperature Coefficient VR (IK) Reverse Breakdown Voltage Change with Operating Current ZKA eN VR
*Typical.
Symbol VR TCVR
Conditions IK = 100A IK = 100A
IK = 1mA IRMIN IK 1mA 1mA IK 15mA 1mA IK 25mA IK=1mA, f=120Hz, IAC=0.1IK IK=100A, 10Hz f 10kHz t=1000hrs, T=25C, IK=100A
Limits A B C D 3.300 3.300 3.300 3.300 3.3 6.6 17 33 * 25 28 38 65 * 70 70 70 75 * 100 100 100 150 * * 1.2 10 12 1.0 70 120 1.2 10 12 1.0 70 120 1.2 10 12 1.0 70 120 1.5 13 15 1.3 70 120
Units V* mV mV A ppm/C mV mV mV* * VRMS* ppm*
Reverse Dynamic Impedance Wideband Noise Reverse Breakdown Voltage Long-term Stability
REV. 1.0.5 1/29/03
3
FAN4040
PRODUCT SPECIFICATION
Guaranteed Electrical Characteristics, FAN4040-5.0, Industrial Temperature Range
(TA = 25C unless otherwise specified, in free air) The * denotes specifications which apply over the full operating temperature range. Symbol VR TCVR Parameter Reverse Breakdown Voltage Reverse Breakdown Voltage Tolerance IRMIN Minimum Operating Current VR/T Reverse Breakdown Voltage Temperature Coefficient VR (IK) Reverse Breakdown Voltage Change with Operating Current Reverse Dynamic Impedance Wideband Noise Reverse Breakdown Voltage Long-term Stability Conditions IK = 100A IK = 100A A 5.00 5 40 65 100 1.2 8.0 10 1.0 70 120 Limits B C 5.00 5.00 10 24 45 60 65 65 100 100 1.2 8.0 10 1.0 70 120 1.2 8.0 10 1.0 70 120 Units D 5.00 50 100 70 150 1.5 10.0 12 1.3 70 120 V* mV mV A ppm/C mV mV mV* * VRMS* ppm*
IK = 1mA IRMIN IK 1mA 1mA IK 15mA 1mA IK 25mA IK=1mA, f=120Hz, IAC=0.1IK IK=100A, 10Hz f 10kHz t=1000hrs, T=25C, IK=100A
* * * * *
ZKA eN VR
*Typical.
Guaranteed Electrical Characteristics, FAN4040-2.5, Extended Temperature Range
(TA = 25C unless otherwise specified, in free air) The * denotes specifications which apply over the full operating temperature range. Parameter Reverse Breakdown Voltage Reverse Breakdown Voltage Tolerance IRMIN Minimum Operating Current VR/T Reverse Breakdown Voltage Temperature Coefficient VR (IK) Reverse Breakdown Voltage Change with Operating Current ZKA eN VR
*Typical.
Symbol VR TCVR
Conditions IK = 100A IK = 100A
IK = 1mA IRMIN IK 1mA 1mA IK 15mA 1mA IK 25mA IK=1mA, f=120Hz, IAC=0.1IK IK=100A, 10Hz f 10kHz t=1000hrs, T=25C, IK=100A
Limits A B C D 2.500 2.500 2.500 2.500 2.5 5.0 12 25 * 25 30 35 49 * 65 65 65 70 * 100 100 100 150 * * 1.5 10.0 10 1.0 70 120 1.5 10.0 10 1.0 70 120 1.5 10.0 10 1.0 70 120 1.5 10.0 12 1.3 70 120
Units V* mV mV A ppm/C mV mV mV* * VRMS* ppm*
Reverse Dynamic Impedance Wideband Noise Reverse Breakdown Voltage Long-term Stability
4
REV. 1.0.5 1/29/03
PRODUCT SPECIFICATION
FAN4040
Guaranteed Electrical Characteristics, FAN4040-3.3, Extended Temperature Range
(TA = 25C unless otherwise specified, in free air) The * denotes specifications which apply over the full operating temperature range. Parameter Reverse Breakdown Voltage Reverse Breakdown Voltage Tolerance IRMIN Minimum Operating Current VR/T Reverse Breakdown Voltage Temperature Coefficient VR (IK) Reverse Breakdown Voltage Change with Operating Current ZKA eN VR
*Typical.
Symbol VR TCVR
Conditions IK = 100A IK = 100A
IK = 1mA IRMIN IK 1mA 1mA IK 15mA 1mA IK 25mA IK=1mA, f=120Hz, IAC=0.1IK IK=100A, 10Hz f 10kHz t=1000hrs, T=25C, IK=100A
Limits A B C D 3.300 3.300 3.300 3.300 3.3 6.6 17 33 * 30 35 42 65 * 70 70 70 75 * 100 100 100 150 * * 1.5 10 12 1.0 70 120 1.5 10 12 1.0 70 120 1.5 10 12 1.0 70 120 1.5 13 15 1.3 70 120
Units V* mV mV A ppm/C mV mV mV* * VRMS* ppm*
Reverse Dynamic Impedance Wideband Noise Reverse Breakdown Voltage Long-term Stability
Guaranteed Electrical Characteristics, FAN4040-5.0, Extended Temperature Range
(TA = 25C unless otherwise specified, in free air) The * denotes specifications which apply over the full operating temperature range. Symbol VR TCVR Parameter Reverse Breakdown Voltage Reverse Breakdown Voltage Tolerance IRMIN Minimum Operating Current VR/T Reverse Breakdown Voltage Temperature Coefficient VR (IK) Reverse Breakdown Voltage Change with Operating Current ZKA eN VR
*Typical.
Conditions IK = 100A IK = 100A
IK = 1mA IRMIN IK 1mA 1mA IK 15mA 1mA IK 25mA IK=1mA, f=120Hz, IAC=0.1IK IK=100A, 10Hz f 10kHz t=1000hrs, T=25C, IK=100A
* * * * *
A 5.00 5 50 100 100 1.5 10 10 1.0 70 120
Limits B C 5.00 5.00 10 24 60 70 100 100 100 100 1.5 10 10 1.0 70 120 1.5 10 10 1.0 70 120
Units D 5.00 50 100 100 150 1.5 15 12 1.3 70 120 V* mV mV A ppm/C mV mV mV* * VRMS* ppm*
Reverse Dynamic Impedance Wideband Noise Reverse Breakdown Voltage Long-term Stability
REV. 1.0.5 1/29/03
5
FAN4040
PRODUCT SPECIFICATION
Mechanical Dimensions
SOT-23 Package
Notes: Notes 1. Dimensions are inclusive of plating. 2. Dimensions are exclusive of mold flash & metal burr. 3. Comply to JEDEC TO-236. 4. This drawing is for matrix leadframe only.
Symbol A A1 B c D E e e1 H L S
Inches Min. Max.
Millimeters Min. Max.
.035 .044 .0004 .004 .012 .020 .003 .008 .110 .120 .047 .055 .037 BSC .075 BSC .083 .104 .021 REF .016 Nom
.89 1.12 .01 .10 .30 .50 .08 .20 2.80 3.04 1.20 1.40 .95 BSC 1.90 BSC 2.10 2.64 .54 REF .395 Nom
D e1 e S c L
E
H
B
A1
A
6
REV. 1.0.5 1/29/03
FAN4040
PRODUCT SPECIFICATION
Ordering Information
Example: FAN4040DIS325X ('X' denotes Tape and Reel)
FAN4040
D
I
S3
25
Grade 0.1% = A* 0.2% = B 0.5% = C 1.0% = D
Temperature -40C to 85C - I -40C to 125C - E
Package SOT23 = S3
Voltage 2.5V = 25 3.3V = 33 5.0V = 5
* `A' grade is a special order. Please contact factory for availability.
SOT-23 Package Marking Information
Only 3 fields of marking are possible on an SOT-23. This table gives the meaning of these fields. Example: F2A
F 2 A
Voltage 2.5V = 2 3.3V = 3 5.0V = 5
Grade 0.1% = A 0.2% = B 0.5% = C 1.0% = D
DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com 1/29/03 0.0m 006 Stock#DS30004040 2003 Fairchild Semiconductor Corporation

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