MAX6143BASA50T Maxim Integrated Products, Inc., MAX6143BASA50T Datasheet

MAX6143BASA50T

Manufacturer Part Number

MAX6143BASA50T

Description

Max6143 High-precision Voltage Reference With Temperature Sensor

Manufacturer

Maxim Integrated Products, Inc.

Datasheet

1.MAX6143BASA50T.pdf (16 pages)

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The MAX6143 is a low-noise, high-precision voltage ref-

erence. The device features a proprietary temperature-

coefficient

laser-trimmed thin-film resistors that result in a very low

3ppm/°C temperature coefficient and excellent ±0.06%

initial accuracy. The MAX6143 provides a TEMP output

where the output voltage is proportional to die tempera-

ture, making the device suitable for a wide variety of

temperature-sensing applications. The device also pro-

vides a TRIM input, allowing fine trimming of the output

voltage with a resistive-divider network. Low tempera-

ture drift and low noise make the MAX6143 ideal for use

with high-resolution A/D or D/A converters.

The MAX6143 provides accurate preset +2.5V, +3.3V,

+4.096V, +5.0V, and +10V reference voltages and

accepts input voltages up to +40V. The device draws

340µA of supply current and sources 30mA or sinks 2mA

of load current. The active-low shutdown feature (SHDN)

reduces supply current to 0.01µA. The MAX6143 uses

bandgap technology for low-noise performance and

excellent accuracy. The MAX6143 does not require an

output bypass capacitor for stability, and is stable with

capacitive loads up to 100µF. Eliminating the output

bypass capacitor saves valuable board area in space-

critical applications.

The MAX6143 is available in an 8-pin SO package and

operates over the automotive (-40°C to +125°C) tem-

perature range.

19-3168; Rev 1; 4/04

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

MAX6143AASA25

MAX6143BASA25

MAX6143AASA33

MAX6143BASA33

MAX6143AASA41

MAX6143BASA41

MAX6143AASA50

MAX6143BASA50

MAX6143AASA10

MAX6143BASA10

A/D Converters

D/A Converters

Digital Voltmeters

PART

curvature-correction

________________________________________________________________ Maxim Integrated Products

-40 C to +125 C

TEMP RANGE

High-Precision Voltage Reference with

General Description

Voltage Regulators

Threshold Detectors

Applications

PACKAGE

circuit

8 SO

PIN-

and

VOLTAGE (V)

OUTPUT

10.000

Ordering Information/Selector Guide

2.500

3.300

4.096

5.000

Pin Configuration appears at end of data sheet.

Wide (V

Excellent Temperature Stability: 3ppm/°C (max)

Tight Initial Accuracy: 0.05% (max)

Low Noise: 3.8µV

Sources up to 30mA Output Current

Low Supply Current: 450µA (max at +25°C)

Low 0.01µA Shutdown Current

Linear Temperature Transducer Voltage Output

+2.5V, +3.3V, +4.096V, +5.0V, or +10V Output

Voltages

Wide Operating Temperature Range: -40°C to

+125°C

No External Capacitors Required for Stability

*OPTIONAL.

Temperature Sensor

TEMPERATURE COEFFICIENT

OUT

(ppm/ C) 40 C TO +125 C

+ 2V) to +40V Supply Voltage Range

Typical Operating Circuit

( V

SHDN

TEMP

OUT

P-P

+ 2V) TO 40V INPUT

MAX6143

(typ at 2.5V Output)

GND

TRIM

OUT

ACCURACY (%)

Features

REFERENCE

OUTPUT

INITIAL

0.06

0.10

0.06

0.10

0.06

0.10

0.06

0.10

0.05

0.10

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