FEATURES
APPLICATIONS * Pin 3 is attached to substrate and must be connected to ANODE or left open.
DBZ (SOT-23) PACKAGE
(TOP VIEW)
DCK (SC-70) PACKAGE
(TOP VIEW)
ANODE
NC
CATHODE
LP (TO-92/TO-226) PACKAGE
(TOP VIEW)
NC – No internal connection
NC – No internal connection
DESCRIPTION/ORDERING
INFORMATION
LM4040
https://www.doczj.com/doc/758704220.html,..................................................................................................................................................SLOS456K–JANUARY2005–REVISED MARCH2008 PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
?Fixed Output Voltages of2.048V,2.5V,3V,
4.096V,5V,8.192V,and10V
?Tight Output Tolerances and Low Temperature
Coefficient
–Max0.1%,100ppm/°C–A Grade
–Max0.2%,100ppm/°C–B Grade
–Max0.5%,100ppm/°C–C Grade
–Max1.0%,150ppm/°C–D Grade
?Low Output Noise…35μV RMS Typ
?Wide Operating Current Range…45μA Typ to
15mA
?Stable With All Capacitive Loads;No Output
Capacitor Required
?Available in Extended Temperature
Range…–40°C to125°C
?Data-Acquisition Systems
?Power Supplies and Power-Supply Monitors
?Instrumentation and Test Equipment
?Process Controls
?Precision Audio
?Automotive Electronics
?Energy Management
?Battery-Powered Equipment
The LM4040series of shunt voltage references are versatile,easy-to-use references that cater to a vast array of applications.The2-pin fixed-output device requires no external capacitors for operation and is stable with all capacitive loads.Additionally,the reference offers low dynamic impedance,low noise,and low temperature coefficient to ensure a stable output voltage over a wide range of operating currents and temperatures.The LM4040uses fuse and Zener-zap reverse breakdown voltage trim during wafer sort to offer four output voltage tolerances,ranging from0.1%(max)for the A grade to1%(max)for the D grade.Thus,a great deal of flexibility is offered to designers in choosing the best cost-to-performance ratio for their applications.
Packaged in space-saving SC-70and SOT-23-3packages and requiring a minimum current of45μA(typ),the LM4040also is ideal for portable applications.The LM4040xI is characterized for operation over an ambient temperature range of–40°C to85°C.The LM4040xQ is characterized for operation over an ambient temperature range of–40°C to125°C.
Please be aware that an important notice concerning availability,standard warranty,and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
LM4040
SLOS456K–JANUARY2005–REVISED https://www.doczj.com/doc/758704220.html,
ORDERING INFORMATION(1)
DEVICE ORDERABLE TOP-SIDE T A V KA PACKAGE(2)
GRADE PART NUMBER MARKING(3)
SC-70(DCK)Reel of3000LM4040A20IDCKR MS_
Reel of3000LM4040A20IDBZR
SOT-23-3(DBZ)4MC_
2.048V Reel of250LM4040A20IDBZT
Bulk of1000LM4040A20ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040A20ILPR
SC-70(DCK)Reel of3000LM4040A25IDCKR P2_
Reel of3000LM4040A25IDBZR
SOT-23-3(DBZ)4NG_
2.5V Reel of250LM4040A25IDBZT
Bulk of1000LM4040A25ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040A25ILPR
SC-70(DCK)Reel of3000LM4040A30IDCKR P9_
Reel of3000LM4040A30IDBZR
SOT-23-3(DBZ)4M6_
3V Reel of250LM4040A30IDBZT
Bulk of1000LM4040A30ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040A30ILPR
A grade:SC-70(DCK)Reel of3000LM4040A41IDCKR P4_
0.1%initial
Reel of3000LM4040A41IDBZR
accuracy SOT-23-3(DBZ)4M2_
–40°C to85°C and 4.096V Reel of250LM4040A41IDBZT
100ppm/°C Bulk of1000LM4040A41ILP
temperature TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040A41ILPR
coefficient
SC-70(DCK)Reel of3000LM4040A50IDCKR N5_
Reel of3000LM4040A50IDBZR
SOT-23-3(DBZ)4NA_
5V Reel of250LM4040A50IDBZT
Bulk of1000LM4040A50ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040A50ILPR
SC-70(DCK)Reel of3000LM4040A82IDCKR PD_
Reel of3000LM4040A82IDBZR
SOT-23-3(DBZ)4NL_
8.192V Reel of250LM4040A82IDBZT
Bulk of1000LM4040A82ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040A82ILPR
SC-70(DCK)Reel of3000LM4040A10IDCKR PH_
Reel of3000LM4040A10IDBZR
SOT-23-3(DBZ)4NQ_
10V Reel of250LM4040A10IDBZT
Bulk of1000LM4040A10ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040A10ILPR
(1)For the most current package and ordering information,see the Package Option Addendum at the end of this document,or see the TI
web site at https://www.doczj.com/doc/758704220.html,.
(2)Package drawings,thermal data,and symbolization are available at https://www.doczj.com/doc/758704220.html,/packaging.
(3)DBZ/DCK:The actual top-side marking has one additional character fab/assembly site.
LM4040 https://www.doczj.com/doc/758704220.html,..................................................................................................................................................SLOS456K–JANUARY2005–REVISED MARCH2008
ORDERING INFORMATION(continued)
DEVICE ORDERABLE TOP-SIDE T A V KA PACKAGE(2)
GRADE PART NUMBER MARKING(3)
SC-70(DCK)Reel of3000LM4040B20IDCKR MT_
Reel of3000LM4040B20IDBZR
SOT-23-3(DBZ)4MD_
2.048V Reel of250LM4040B20IDBZT
Bulk of1000LM4040B20ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040B20ILPR
SC-70(DCK)Reel of3000LM4040B25IDCKR P3_
Reel of3000LM4040B25IDBZR
SOT-23-3(DBZ)4NH_
2.5V Reel of250LM4040B25IDBZT
Bulk of1000LM4040B25ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040B25ILPR
SC-70(DCK)Reel of3000LM4040B30IDCKR PA_
Reel of3000LM4040B30IDBZR
SOT-23-3(DBZ)4M7_
3V Reel of250LM4040B30IDBZT
Bulk of1000LM4040B30ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040B30ILPR
B grade:SC-70(DCK)Reel of3000LM4040B41IDCKR P5_
0.2%initial
Reel of3000LM4040B41IDBZR
accuracy SOT-23-3(DBZ)4M3_
–40°C to85°C and 4.096V Reel of250LM4040B41IDBZT
100ppm/°C Bulk of1000LM4040B41ILP
temperature TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040B41ILPR
coefficient
SC-70(DCK)Reel of3000LM4040B50IDCKR MX_
Reel of3000LM4040B50IDBZR
SOT-23-3(DBZ)4NB_
5V Reel of250LM4040B50IDBZT
Bulk of1000LM4040B50ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040B50ILPR
SC-70(DCK)Reel of3000LM4040B82IDCKR PE_
Reel of3000LM4040B82IDBZR
SOT-23-3(DBZ)4NM_
8.192V Reel of250LM4040B82IDBZT
Bulk of1000LM4040B82ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040B82ILPR
SC-70(DCK)Reel of3000LM4040B10IDCKR PJ_
Reel of3000LM4040B10IDBZR
SOT-23-3(DBZ)4NR_
10V Reel of250LM4040B10IDBZT
Bulk of1000LM4040B10ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040B10ILPR
LM4040
SLOS456K–JANUARY2005–REVISED https://www.doczj.com/doc/758704220.html,
ORDERING INFORMATION(continued)
DEVICE ORDERABLE TOP-SIDE T A V KA PACKAGE(2)
GRADE PART NUMBER MARKING(3)
SC-70(DCK)Reel of3000LM4040C20IDCKR MV_
Reel of3000LM4040C20IDBZR
SOT-23-3(DBZ)4MQ_
2.048V Reel of250LM4040C20IDBZT
Bulk of1000LM4040C20ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040C20ILPR
SC-70(DCK)Reel of3000LM4040C25IDCKR MU_
Reel of3000LM4040C25IDBZR
SOT-23-3(DBZ)4MU_
2.5V Reel of250LM4040C25IDBZT
Bulk of1000LM4040C25ILP
TO-92/TO-226(LP)NFC25I
Reel of2000LM4040C25ILPR
SC-70(DCK)Reel of3000LM4040C30IDCKR PB_
Reel of3000LM4040C30IDBZR
SOT-23-3(DBZ)4M8_
3V Reel of250LM4040C30IDBZT
Bulk of1000LM4040C30ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040C30ILPR
C grade:SC-70(DCK)Reel of3000LM4040C41IDCKR P6_
0.5%initial
Reel of3000LM4040C41IDBZR
accuracy SOT-23-3(DBZ)4M4_
–40°C to85°C and 4.096V Reel of250LM4040C41IDBZT
100ppm/°C Bulk of1000LM4040C41ILP
temperature TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040C41ILPR
coefficient
SC-70(DCK)Reel of3000LM4040C50IDCKR MZ_
Reel of3000LM4040C50IDBZR
SOT-23-3(DBZ)4NC_
5V Reel of250LM4040C50IDBZT
Bulk of1000LM4040C50ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040C50ILPR
SC-70(DCK)Reel of3000LM4040C82IDCKR PF_
Reel of3000LM4040C82IDBZR
SOT-23-3(DBZ)4NN_
8.192V Reel of250LM4040C82IDBZT
Bulk of1000LM4040C82ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040C82ILPR
SC-70(DCK)Reel of3000LM4040C10IDCKR PK_
Reel of3000LM4040C10IDBZR
SOT-23-3(DBZ)4NS_
10V Reel of250LM4040C10IDBZT
Bulk of1000LM4040C10ILP
TO-92/TO-226(LP)NFC10I
Reel of2000LM4040C10ILPR
LM4040 https://www.doczj.com/doc/758704220.html,..................................................................................................................................................SLOS456K–JANUARY2005–REVISED MARCH2008
ORDERING INFORMATION(continued)
DEVICE ORDERABLE TOP-SIDE T A V KA PACKAGE(2)
GRADE PART NUMBER MARKING(3)
SC-70(DCK)Reel of3000LM4040D20IDCKR MW_
Reel of3000LM4040D20IDBZR
SOT-23-3(DBZ)4MV_
2.048V Reel of250LM4040D20IDBZT
Bulk of1000LM4040D20ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040D20ILPR
SC-70(DCK)Reel of3000LM4040D25IDCKR ME_
Reel of3000LM4040D25IDBZR
SOT-23-3(DBZ)4ME_
2.5V Reel of250LM4040D25IDBZT
Bulk of1000LM4040D25ILP
TO-92/TO-226(LP)NFD25I
Reel of2000LM4040D25ILPR
SC-70(DCK)Reel of3000LM4040D30IDCKR PC_
Reel of3000LM4040D30IDBZR
SOT-23-3(DBZ)4M9_
3V Reel of250LM4040D30IDBZT
Bulk of1000LM4040D30ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040D30ILPR
D grade:SC-70(DCK)Reel of3000LM4040D41IDCKR P7_
1.0%initial
Reel of3000LM4040D41IDBZR
accuracy SOT-23-3(DBZ)4M5_
–40°C to85°C and 4.096V Reel of250LM4040D41IDBZT
150ppm/°C Bulk of1000LM4040D41ILP
temperature TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040D41ILPR
coefficient
SC-70(DCK)Reel of3000LM4040D50IDCKR M4_
Reel of3000LM4040D50IDBZR
SOT-23-3(DBZ)4ND_
5V Reel of250LM4040D50IDBZT
Bulk of1000LM4040D50ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040D50ILPR
SC-70(DCK)Reel of3000LM4040D82IDCKR PG_
Reel of3000LM4040D82IDBZR
SOT-23-3(DBZ)4NP_
8.192V Reel of250LM4040D82IDBZT
Bulk of1000LM4040D82ILP
TO-92/TO-226(LP)PREVIEW
Reel of2000LM4040D82ILPR
SC-70(DCK)Reel of3000LM4040D10IDCKR PL_
Reel of3000LM4040D10IDBZR
SOT-23-3(DBZ)4NT_
10V Reel of250LM4040D10IDBZT
Bulk of1000LM4040D10ILP
TO-92/TO-226(LP)NFD10I
Reel of2000LM4040D10ILPR
LM4040
SLOS456K–JANUARY2005–REVISED https://www.doczj.com/doc/758704220.html,
ORDERING INFORMATION(continued)
DEVICE ORDERABLE TOP-SIDE T A V KA PACKAGE(2)
GRADE PART NUMBER MARKING(3)
Reel of3000LM4040C20QDBZR
2.048V4MW_
Reel of250LM4040C20QDBZT
C grade:
Reel of3000LM4040C25QDBZR
0.5%initial
2.5V4MA_
accuracy Reel of250LM4040C25QDBZT
and SOT-23-3(DBZ)
Reel of3000LM4040C30QDBZR
100ppm/°C3V4NJ_
temperature Reel of250LM4040C30QDBZT
coefficient
Reel of3000LM4040C50QDBZR
5V4NE_
Reel of250LM4040C50QDBZT
–40°C to125°C
Reel of3000LM4040D20QDBZR
2.048V4MY_
Reel of250LM4040D20QDBZT
D grade:
Reel of3000LM4040D25QDBZR
1.0%initial
2.5V4MB_
accuracy Reel of250LM4040D25QDBZT
and SOT-23-3(DBZ)
Reel of3000LM4040D30QDBZR
150ppm/°C3V4NK_
temperature Reel of250LM4040D30QDBZT
coefficient
Reel of3000LM4040D50QDBZR
5V4NF_
Reel of250LM4040D50QDBZT
Absolute Maximum Ratings(1) Recommended Operating Conditions LM4040
https://www.doczj.com/doc/758704220.html,..................................................................................................................................................SLOS456K–JANUARY2005–REVISED MARCH2008
FUNCTIONAL BLOCK DIAGRAM
over free-air temperature range(unless otherwise noted)
MIN MAX UNIT
I Z Continuous cathode current–1025mA
DBZ package206
θJA Package thermal impedance(2)(3)DCK package252°C/W
LP package156
T J Operating virtual junction temperature150°C
T stg Storage temperature range–65150°C (1)Stresses beyond those listed under"absolute maximum ratings"may cause permanent damage to the device.These are stress ratings
only,and functional operation of the device at these or any other conditions beyond those indicated under"recommended operating conditions"is not implied.Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)Maximum power dissipation is a function of T J(max),θJA,and T A.The maximum allowable power dissipation at any allowable ambient
temperature is P D=(T J(max)–T A)/θJA.Operating at the absolute maximum T J of150°C can affect reliability.
(3)The package thermal impedance is calculated in accordance with JESD51-7.
MIN MAX UNIT
I Z Cathode current(1)15mA
LM4040xxxI–4085
T A Free-air temperature°C
LM4040xxxQ–40125
(1)See parametric tables
LM4040
SLOS456K–JANUARY2005–REVISED https://www.doczj.com/doc/758704220.html,
LM4040x20I Electrical Characteristics
at industrial temperature range,full-range T A=–40°C to85°C(unless otherwise noted)
(1)Thermal hysteresis is defined as V Z,25°C(after cycling to–40°C)–V Z,25°C(after cycling to125°C).
LM4040 https://www.doczj.com/doc/758704220.html,..................................................................................................................................................SLOS456K–JANUARY2005–REVISED MARCH2008
LM4040x20I Electrical Characteristics
at industrial temperature range,full-range T A=–40°C to85°C(unless otherwise noted)
(1)Thermal hysteresis is defined as V Z,25°C(after cycling to–40°C)–V Z,25°C(after cycling to125°C).
LM4040
SLOS456K–JANUARY2005–REVISED https://www.doczj.com/doc/758704220.html,
LM4040x20Q Electrical Characteristics
at extended temperature range,full-range T A=–40°C to125°C(unless otherwise noted)
(1)Thermal hysteresis is defined as V Z,25°C(after cycling to–40°C)–V Z,25°C(after cycling to125°C).
LM4040 https://www.doczj.com/doc/758704220.html,..................................................................................................................................................SLOS456K–JANUARY2005–REVISED MARCH2008
LM4040x25I Electrical Characteristics
at industrial temperature range,full-range T A=–40°C to85°C(unless otherwise noted)
(1)Thermal hysteresis is defined as V Z,25°C(after cycling to–40°C)–V Z,25°C(after cycling to125°C).
LM4040
SLOS456K–JANUARY2005–REVISED https://www.doczj.com/doc/758704220.html,
LM4040x25I Electrical Characteristics
at industrial temperature range,full-range T A=–40°C to85°C(unless otherwise noted)
(1)Thermal hysteresis is defined as V Z,25°C(after cycling to–40°C)–V Z,25°C(after cycling to125°C).
LM4040 https://www.doczj.com/doc/758704220.html,..................................................................................................................................................SLOS456K–JANUARY2005–REVISED MARCH2008
LM4040x25Q Electrical Characteristics
at extended temperature range,full-range T A=–40°C to125°C(unless otherwise noted)
(1)Thermal hysteresis is defined as V Z,25°C(after cycling to–40°C)–V Z,25°C(after cycling to125°C).
LM4040
SLOS456K–JANUARY2005–REVISED https://www.doczj.com/doc/758704220.html,
LM4040x30I Electrical Characteristics
at industrial temperature range,full-range T A=–40°C to85°C(unless otherwise noted)
(1)Thermal hysteresis is defined as V Z,25°C(after cycling to–40°C)–V Z,25°C(after cycling to125°C).
LM4040 https://www.doczj.com/doc/758704220.html,..................................................................................................................................................SLOS456K–JANUARY2005–REVISED MARCH2008
LM4040x30I Electrical Characteristics
at industrial temperature range,full-range T A=–40°C to85°C(unless otherwise noted)
(1)Thermal hysteresis is defined as V Z,25°C(after cycling to–40°C)–V Z,25°C(after cycling to125°C).
LM4040
SLOS456K–JANUARY2005–REVISED https://www.doczj.com/doc/758704220.html,
LM4040x30Q Electrical Characteristics
at extended temperature range,full-range T A=–40°C to125°C(unless otherwise noted)
(1)Thermal hysteresis is defined as V Z,25°C(after cycling to–40°C)–V Z,25°C(after cycling to125°C).
LM4040 https://www.doczj.com/doc/758704220.html,..................................................................................................................................................SLOS456K–JANUARY2005–REVISED MARCH2008
LM4040x41I Electrical Characteristics
at industrial temperature range,full-range T A=–40°C to85°C(unless otherwise noted)
(1)Thermal hysteresis is defined as V Z,25°C(after cycling to–40°C)–V Z,25°C(after cycling to125°C).
LM4040
SLOS456K–JANUARY2005–REVISED https://www.doczj.com/doc/758704220.html,
LM4040x41I Electrical Characteristics
at industrial temperature range,full-range T A=–40°C to85°C(unless otherwise noted)
(1)Thermal hysteresis is defined as V Z,25°C(after cycling to–40°C)–V Z,25°C(after cycling to125°C).
LM4040 https://www.doczj.com/doc/758704220.html,..................................................................................................................................................SLOS456K–JANUARY2005–REVISED MARCH2008
LM4040x50I Electrical Characteristics
at industrial temperature range,full-range T A=–40°C to85°C(unless otherwise noted)
(1)Thermal hysteresis is defined as V Z,25°C(after cycling to–40°C)–V Z,25°C(after cycling to125°C).
LM4040
SLOS456K–JANUARY2005–REVISED https://www.doczj.com/doc/758704220.html,
LM4040x50I Electrical Characteristics
at industrial temperature range,full-range T A=–40°C to85°C(unless otherwise noted)
(1)Thermal hysteresis is defined as V Z,25°C(after cycling to–40°C)–V Z,25°C(after cycling to125°C).