LM4040 datasheet(7/15 Pages) MAXIM

部品番号	LM4040

部品情報	Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages

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Improved Precision Micropower Shunt Voltage

Reference with Multiple Reverse Breakdown Voltages

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7

Note 1: All devices are 100% production tested at TA = +25°C and are guaranteed by design for TA = TMIN to TMAX, as specified.

Note 2: The overtemperature limit for Reverse Breakdown Voltage Tolerance is defined as the room-temperature Reverse

Breakdown Voltage Tolerance ±[(

∆VR/∆T)(max∆T)(VR)], where ∆VR/∆T is the VR temperature coefficient, max∆T is the maxi-

mum difference in temperature from the reference point of +25°C to TMIN or TMAX, and VR is the reverse breakdown volt-

age. The total overtemperature tolerance for the different grades in the temperature range where max

∆T = +65°C is shown

below:

A grade: ±0.75% = ±0.1% ±100ppm/°C 65°C

B grade: ±0.85% = ±0.2% ±100ppm/°C 65°C

C grade: ±1.15% = ±0.5% ±100ppm/°C 65°C

D grade: ±1.98% = ±1.0% ±150ppm/°C 65°C

The total over-temperature tolerance for the different grades in the extended temperature range where max

∆T = +100°C is

shown below:

A grade: ±1.1% = ±0.1% ±100ppm/°C 100°C

B grade: ±1.2% = ±0.2% ±100ppm/°C 100°C

C grade: ±1.5% = ±0.5% ±100ppm/°C 100°C

D grade: ±2.5% = ±1.0% ±150ppm/°C 100°C

Therefore, as an example, the A-grade LM4040-2.5 has an over-temperature reverse breakdown voltage tolerance of ±2.5V

0.75% = ±19mV.

Note 3: Guaranteed by design.

ELECTRICAL CHARACTERISTICS—5.000V

(IR = 100µA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

LM4040A (0.1%)

4.995

5.000

5.005

LM4040B (0.2%)

4.990

5.000

5.010

LM4040C (0.5%)

4.975

5.000

5.025

Reverse Breakdown Voltage

VR

TA = +25

°C

LM4040D (1.0%)

4.950

5.000

5.050

V

LM4040A

±5.0

±38

LM4040B

±10

±43

LM4040C

±25

±58

Reverse Breakdown Voltage

Tolerance (Note 2)

VR

LM4040D

±50

±99

mV

LM4040A/B/C

54

80

Minimum Operating Current

IRMIN

LM4040D

54

85

µA

IR = 10mA

±30

LM4040A/B/C

±20

±100

IR = 1mA

LM4040D

±20

±150

Average Reverse Voltage

Temperature Coefficient

(Notes 2 and 3)

∆VR/∆T

IR = 100µA

±15

ppm/

°C

LM4040A/B/C

0.5

1.4

IRMIN

≤ IR ≤ 1mA

LM4040D

0.5

1.8

LM4040A/B/C

3.5

12.0

Reverse Breakdown Voltage

Change with Operating

Current Change

1mA

≤ IR ≤ 15mA

LM4040D

3.5

15.0

mV

LM4040A/B/C

0.5

1.1

Reverse Dynamic

Impedance (Note 3)

ZR

IR = 1mA, f = 120Hz,

IAC = 0.1IR

LM4040D

0.5

1.5

Ω

Wideband Noise

eN

IR = 100µA, 10Hz

≤ f ≤ 10kHz

80

µVRMS

Reverse Breakdown Voltage

Long-Term Stability

∆VR

T = 1000h

120

ppm

同様の部品番号 - LM4040

メーカー	部品番号	データシート	部品情報
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Texas Instruments	LM4040	2Mb / 31P	[Old version datasheet] REF34xx Low-Drift, Low-Power, Small-Footprint Series Voltage Reference REVISED JUNE 2021
Texas Instruments	LM4040	482Kb / 43P	[Old version datasheet] PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE

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