NSC LM4041DIM3X-1.2, LM4041DIM3-ADJ, LM4041DIM3-1.2, LM4041DEM3X-ADJ, LM4041DEM3X-1.2 Datasheet

October 1999

LM4041

Precision Micropower Shunt Voltage Reference

General Description

Ideal for space critical applications, the LM4041 precision voltage reference is available in the sub-miniature (3 mm x 1.3 mm) SOT-23 surface-mount package. The LM4041's advanced design eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load, thus making the LM4041 easy to use. Further reducing design effort is the availability of a fixed (1.225V) and adjustable reverse breakdown voltage. The minimum operating current is 60 µA for the LM4041-1.2 and the LM4041-ADJ. Both versions have a maximum operating current of 12 mA.

The LM4041 utilizes fuse and zener-zap reverse breakdown or reference voltage trim during wafer sort to ensure that the prime parts have an accuracy of better than ±0.1% (A grade) at 25ÊC. Bandgap reference temperature drift curvature correction and low dynamic impedance ensure stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents.

Features

nSmall packages: SOT-23, and TO-92

nNo output capacitor required

nTolerates capacitive loads

nReverse breakdown voltage options of 1.225V and adjustable

Key Specifications (LM4041-1.2)

n Output voltage tolerance
(A grade, 25ÊC)	±0.1%(max)
n Low output noise
(10 Hz to 10kHz)	20µVrms
n Wide operating current range	60µA to 12mA
n Industrial temperature range	−40ÊC to +85ÊC
n Extended temperature range	−40ÊC to +125ÊC
n Low temperature coefficient	100 ppm/ÊC (max)

Applications

nPortable, Battery-Powered Equipment

nData Acquisition Systems

nInstrumentation

nProcess Control

nEnergy Management

nAutomotive

nPrecision Audio Components

Connection Diagrams

SOT-23

DS011392-40

DS011392-1

*This pin must be left floating or connected to pin 2.

Top View

See NS Package Number M03B

(JEDEC Registration TO-236AB)

TO-92

DS011392-3

DS011392-32

Bottom View

See NS Package Number Z03A

Reference Voltage Shunt Micropower Precision LM4041

© 1999 National Semiconductor Corporation

DS011392

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LM4041

Ordering Information

Reverse Breakdown	Package
Voltage Tolerance at 25ÊC
and Average Reverse Breakdown	M3 (SOT-23)		Z (TO-92)
Voltage Temperature Coefficient
±0.1%, 100 ppm/ÊC max (A grade)	LM4041AIM3-1.2		LM4041AIZ-1.2
	See NS Package		See NS Package
	Number M03B		Number Z03A
±0.2%, 100 ppm/ÊC max (B grade)			LM4041BIZ-1.2
	LM4041BIM3-1.2
	See NS Package		See NS Package
	Number M03B		Number Z03A
±0.5%, 100 ppm/ÊC max (C grade)	LM4041CEM3-1.2		LM4041CIZ-1.2,
	LM4041CIM3-1.2 LM4041CEM3-ADJ		LM4041CIZ-ADJ
	LM4041CIM3-ADJ
	See NS Package		See NS Package
	Number M03B		Number Z03A
±1.0%, 150 ppm/ÊC max (D grade)	LM4041DEM3-1.2		LM4041DIZ-1.2,
	LM4041DIM3-1.2 LM4041DEM3-ADJ		LM4041DIZ-ADJ
	LM4041DIM3-ADJ
	See NS Package		See NS Package
	Number M03B		Number Z03A
±2.0%, 150 ppm/ÊC max (E grade)	LM4041EEM3-1.2		LM4041EIZ-1.2
	LM4041EIM3-1.2
	See NS Package		See NS Package
	Number M03B		Number Z03A

SOT-23 Package Marking Information

Only three fields of marking are possible on the SOT-23's small surface. This table gives the meaning of the three fields.

Part Marking	Field Definition
R1A	First Field:
R1B	R = Reference
R1C	Second Field:
R1D	1 = 1.225V Voltage Option
R1E	A = Adjustable
	Third Field:
RAC	A±E = Initial Reverse Breakdown
RAD	Voltage or Reference Voltage Tolerance
	A = ±0.1%, B = ±0.2%, C = ±0.5%, D = ±1.0%, E = ±2.0%

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Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.

Reverse Current	20 mA
Forward Current	10 mA
Maximum Output Voltage
(LM4041-ADJ)	15V
Power Dissipation (TA = 25ÊC) (Note 2)
M3 Package	306 mW
Z Package	550 mW
Storage Temperature	−65ÊC to +150ÊC
Lead Temperature
M3 Packages
Vapor phase (60 seconds)	+215ÊC
Infrared (15 seconds)	+220ÊC
Z Package

Soldering (10 seconds)	+260ÊC
ESD Susceptibility
Human Body Model (Note 3)	2 kV
Machine Model (Note 3)	200V

See AN-450 ªSurface Mounting Methods and Their Effect on Product Reliabilityº for other methods of soldering surface mount devices.

Operating Ratings(Notes 1, 2)

Temperature Range	(Tmin ≤ TA ≤ Tmax)
Industrial Temperature Range	−40ÊC	≤ TA ≤ +85ÊC
Extended Temperature Range	−40ÊC	≤ TA ≤ +125ÊC
Reverse Current
LM4041-1.2	60 µA to 12 mA
LM4041-ADJ	60 µA to 12 mA
Output Voltage Range
LM4041-ADJ		1.24V to 10V

LM4041-1.2

Electrical Characteristics (Industrial Temperature Range)

Boldface limits apply for TA = TJ = TMINto TMAX; all other limits TA = TJ = 25ÊC. The grades A and B designate initial Reverse Breakdown Voltage tolerances of ±0.1% and ±0.2%, respectively.

				Typical	LM4041AIM3	LM4041BIM3	Units
Symbol		Parameter	Conditions	(Note 4)	LM4041AIZ	LM4041BIZ	(Limit)
					Limits	Limits
					(Note 5)	(Note 5)
VR		Reverse Breakdown Voltage	IR = 100 µA	1.225			V
		Reverse Breakdown Voltage	IR = 100 µA		±1.2	±2.4	mV (max)
		Tolerance (Note 6)			± 9.2	± 10.4	mV (max)
IRMIN		Minimum Operating Current		45			µA
					60	60	µA (max)
					65	65	µA (max)
VR/	T	Average Reverse Breakdown	IR= 10 mA	±20			ppm/ÊC
		Voltage Temperature	IR = 1 mA	±15	± 100	± 100	ppm/ÊC (max)
		Coefficient (Note 6)	IR = 100 µA	±15			ppm/ÊC
VR/	IR	Reverse Breakdown Voltage	IRMIN ≤ IR ≤ 1 mA	0.7			mV
		Change with Operating			1.5	1.5	mV (max)
		Current Change			2.0	2.0	mV (max)
			1 mA ≤ IR ≤ 12 mA	4.0			mV
					6.0	6.0	mV (max)
					8.0	8.0	mV (max)
ZR		Reverse Dynamic Impedance	IR = 1 mA, f = 120 Hz,	0.5			Ω
			IAC= 0.1 IR		1.5	1.5	Ω (max)
eN		Wideband Noise	IR = 100 µA	20			µV rms
			10 Hz ≤ f ≤ 10 kHz
VR		Reverse Breakdown Voltage	t = 1000 hrs
		Long Term Stability	T = 25ÊC ±0.1ÊC	120			ppm
			IR = 100 µA

LM4041

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LM4041

LM4041-1.2

Electrical Characteristics (Industrial Temperature Range)

Boldface limits apply for TA = TJ = TMINto TMAX; all other limits TA = TJ = 25ÊC. The grades C, D and E designate initial Reverse Breakdown Voltage tolerances of ±0.5%, ±1.0% and ±2.0%, respectively.

							LM4041EIM3
				Typical	LM4041CIM3	LM4041DIM3	LM4041EIZ	Units
Symbol		Parameter	Conditions	(Note 4)	LM4041CIZ	LM4041DIZ		(Limit)
					Limits	Limits	Limits
					(Note 5)	(Note 5)	(Note 5)
VR		Reverse Breakdown	IR = 100 µA	1.225				V
		Voltage
		Reverse Breakdown	IR = 100 µA		±6	±12	±25	mV (max)
		Voltage
		Tolerance (Note 6)			± 14	± 24	± 36	mV (max)
IRMIN		Minimum Operating		45				µA
		Current
					60	65	65	µA (max)
					65	70	70	µA (max)
VR/	T	VR Temperature	IR = 10 mA	±20				ppm/ÊC
		Coefficient (Note 6)	IR = 1 mA	±15	± 100	± 150	± 150	ppm/ÊC (max)
			IR= 100 µA	±15				ppm/ÊC
VR/	IR	Reverse Breakdown	IRMIN ≤ IR ≤ 1 mA	0.7				mV
		Voltage Change with			1.5	2.0	2.0	mV (max)
		Operating Current
					2.0	2.5	2.5	mV (max)
		Change
			1 mA ≤ IR ≤ 12 mA	2.5				mV
					6.0	8.0	8.0	mV (max)
					8.0	10.0	10.0	mV (max)
ZR		Reverse Dynamic	IR = 1 mA,	0.5				Ω
		Impedance	f = 120 Hz
			IAC = 0.1 IR		1.5	2.0	2.0	Ω(max)
eN		Wideband Noise	IR = 100 µA	20				µV rms
			10 Hz ≤ f ≤ 10 kHz
VR		Reverse Breakdown	t = 1000 hrs
		Voltage Long Term	T = 25ÊC ±0.1ÊC	120				ppm
		Stability	IR = 100 µA

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LM4041-1.2

Electrical Characteristics (Extended Temperature Range)

Boldface limits apply for TA = TJ = TMINto TMAX; all other limits TA = TJ = 25ÊC. The grades C, D and E designate initial Reverse Breakdown Voltage tolerance of ±0.5%, ±1.0

±

					LM4041CEM3	LM4041DEM3	LM4041EEM3
				Typical				Units
Symbol		Parameter	Conditions	(Note 4)				(Limit)
					Limits	Limits	Limits
					(Note 5)	(Note 5)	(Note 5)
VR		Reverse Breakdown	IR = 100 µA	1.225				V
		Voltage
		Reverse Breakdown	IR = 100 µA		±6	±12	±25	mV (max)
		Voltage Error
		(Note 6)			± 18.4	± 31	± 43	mV (max)
IRMIN		Minimum Operating		45				µA
		Current			60	65	65	µA (max)
					68	73	73	µA (max)
VR/	T	VR Temperature	IR= 10 mA	±20				ppm/ÊC
		Coefficient(Note 6)	IR = 1 mA	±15	± 100	± 150	± 150	ppm/ÊC
								(max)
			IR = 100 µA	±15				ppm/ÊC
VR/	IR	Reverse Breakdown	IRMIN ≤ IR ≤ 1.0 mA	0.7				mV
		Change with			1.5	2.0	2.0	mV (max)
		Current			2.0	2.5	2.5	mV (max)
			1 mA ≤ IR ≤ 12 mA	2.5				mV
					6.0	8.0	8.0	mV (max)
					8.0	10.0	10.0	mV (max)
ZR		Reverse Dynamic	IR = 1 mA, f = 120	0.5				Ω
		Impedance	Hz,
			IAC= 0.1 IR		1.5	2.0	2.0	Ω (max)
eN		Noise Voltage	IR = 100 µA	20				µV rms
			10 Hz ≤ f ≤ 10 kHz
VR		Long Term Stability	t = 1000 hrs
		(Non-Cumulative)	T = 25ÊC ±0.1ÊC	120				ppm
			IR = 100 µA

LM4041

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LM4041

LM4041-ADJ (Adjustable)

Electrical Characteristics (Industrial Temperature Range)

Boldface limits apply for TA = TJ = TMINto TMAX; all other limits TJ = 25ÊC unless otherwise specified (SOT-23, see (Note 7) ,

IRMIN £ IR £ 12 mA, VREF £ VOUT £ 10V. The grades C and D designate initial Reference Voltage Tolerances of ±0.5% and

±1%, respectively for VOUT = 5V.

Symbol	Parameter	Conditions			Typical	LM4041CIM3	LM4041DIM3	Units
					(Note
						LM4041CIZ	LM4041DIZ	(Limit)
					4)
						(Note 5)	(Note 5)
VREF	Reference Voltage	IR = 100 µA, VOUT = 5V			1.233			V
	Reference Voltage	IR = 100 µA, VOUT = 5V				±6.2	±12	mV (max)
	Tolerance (Note 8)					± 14	± 24	mV (max)
IRMIN	Minimum Operating				45			µA
	Current					60	65	µA (max)
						65	70	µA (max)
DVREF/DIR	Reference Voltage	IRMIN £ IR £ 1 mA			0.7			mV
	Change with Operating	SOT-23: VOUT ³ 1.6V				1.5	2.0	mV (max)
	Current Change	(Note 7)				2.0	2.5	mV (max)
		1 mA £ IR £ 12 mA			2			mV
		SOT-23: VOUT ³ 1.6V(Note				4	6	mV (max)
		7)
						6	8	mV (max)
DVREF/DVO	Reference Voltage	IR = 1 mA			−1.55			mV/V
	Change					−2.0	−2.5	mV/V (max)
	with Output Voltage
						−2.5	−3.0	mV/V (max)
	Change
IFB	Feedback Current				60			nA
						100	150	nA (max)
						120	200	nA (max)
DVREF/DT	Average Reference	VOUT = 5V,	IR =	10 mA	20			ppm/ÊC
	Voltage Temperature		IR =	1 mA	15	± 100	± 150	ppm/ÊC (max)
	Coefficient (Note 8)		IR = 100 µA		15			ppm/ÊC
ZOUT	Dynamic Output	IR = 1 mA, f = 120 Hz,
	Impedance	IAC = 0.1 IR
			VOUT = VREF		0.3			W
			VOUT = 10V		2			W
eN	Wideband Noise	IR = 100 µA	VOUT = VREF		20			µVrms
		10 Hz £ f £ 10 kHz
DVREF	Reference Voltage Long	t = 1000 hrs,	IR = 100 µA		120			ppm
	Term Stability	T = 25ÊC ±0.1ÊC

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