LM4140CCM-2.5 datasheet(4/23 Pages) TI

Part #	LM4140CCM-2.5

Description	High Precision Low Noise Low Dropout Voltage Reference

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LM4140

SNVS053E – JUNE 2000 – REVISED APRIL 2013

www.ti.com

LM4140

Electrical Charateristics (continued)

Unless otherwise specified, VIN = 3.0V for the LM4140-1.024 and LM4140-1.250, VIN = 5.0V for all other voltage options, VEN

= VIN. COUT = 1μF

(1), I

LOAD = 1mA, TA = TJ = 25°C. Limits with standard typeface are for TA = 25°C, and limits in boldface

type apply over 0°C to 70°C temperature range.

Min

Typ

Max

Symbol

Parameter

Conditions

Units

(2)

(3)

(2)

TCVREF/°C

Temperature Coefficient:

0°C

≤ TA ≤ + 70°C

ppm/°C

3

A Grade

6

B Grade

10

C Grade

Line Regulation

1.024V and 1.250V options

1.8V

≤ VIN ≤ 5.5V

50

300

ΔVREF/ΔVIN

ppm/V

350

All other voltage options

Vref + 200mV ≤ VIN ≤ 5.5V

20

200

250

Load Regulation

1 mA

≤ ILOAD ≤ 8mA

All other voltage options

1

20

ΔVREF/ΔILOAD

150

ppm/mA

4.096V Option

5

35

150

ΔVREF

Long-Term Stability

1000 Hrs

60

ppm

ΔVREF

Thermal Hysteresis (5)

0°C

≤ TA ≤ + 70°C

20

ppm

Operating

LM4140-1.024, LM4140-1.250

IL = 1 mA to 8 mA

1.8

5.5

V

Voltage

Dropout Voltage (6)

IL = 1 mA

20

40

LM4140-2.048, LM4140-2.500

45

IL = 8 mA

160

235

400

VIN-VREF

mV

LM4140-4.096

IL = 1 mA

20

40

45

IL = 8 mA

195

270

490

VN

Output Noise Voltage (7)

0.1 Hz to 10 Hz

2.2

μVPP

IS(ON)

Supply Current

ILOAD = 0 mA

All other voltage options

230

320

375

μA

4.096V Option

265

350

400

IS(OFF)

Supply Current

VEnable < 0.4V

.01

1

μA

VH

Logic High Input Voltage

0.8VIN

V

IH

Logic High Input Current

2

nA

VL

Logic Low Input Voltage

0.4

V

IL

Logic Low Input Current

1

nA

ISC

Short Circuit Current

8.5

20

35

mA

40

(5)

Thermal hysteresis is defined as the changes in +25°C output voltage before and after the cycling of the device from 0°C to 70°C.

(6)

Dropout voltage is defined as the minimum input to output differential voltage at which the output voltage drops by 0.5% below the value

measured with VIN = 3.0V for the LM4140-1.024 and LM4140-1.250, VIN = 5.0V for all other voltage options.

(7)

The output noise is based on 1.024V option. Output noise is linearly proportional to VREF.

4

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