Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsPMICsPMIC - voltage reference Series Adjustable SOIC 8 N

19-1408; Rev 3; 4/10

For pricing, delivery, and ordering information, please contact Maxim Direct

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

MAX6190–MAX6195/MAX6198

Precision, Micropower,

Low-Dropout Voltage References

General Description

The MAX6190–MAX6195/MAX6198 precision, micro-

power, low-dropout voltage references offer high initial

accuracy and very low temperature coefficient through

a proprietary curvature-correction circuit and laser-

trimmed precision thin-film resistors.

These series-mode bandgap references draw a maxi-

mum of only 35µA quiescent supply current, making

them ideal for battery-powered instruments. They offer

a supply current that is virtually immune to input volt-

age variations. Load-regulation specifications are

guaranteed for source and sink currents up to 500µA.

These devices are internally compensated, making

them ideal for applications that require fast settling,

and are stable with capacitive loads up to 2.2nF.

Features

♦♦

±2mV (max) Initial Accuracy

♦♦

5ppm/°C (max) Temperature Coefficient

♦♦

35µA (max) Supply Current

♦♦

100mV Dropout at 500µA Load Current

♦♦

0.12µV/µA Load Regulation

♦♦

8µV/V Line Regulation

Applications

Hand-Held Instruments

Analog-to-Digital and Digital-to-Analog Converters

Industrial Process Control

Precision 3V/5V Systems

Hard-Disk Drives

Ordering Information

Selector Guide

Typical Operating Circuit appears at end of data sheet.

<25±105.000MAX6195C

<10±55.000MAX6195B

<5±25.000

MAX6195A

<25±104.500MAX6194C

<10±54.500MAX6194B

<5±24.500

MAX6194A

<25±103.000MAX6193C

<10±53.000MAX6193B

<5±23.000

MAX6193A

<25±102.500MAX6192C

<10±52.500MAX6192B

<5±22.500

MAX6192A

TEMPERATURE

COEFFICIENT

(ppm/°C)

<10

<25

<10

<25

PART

OUTPUT

VOLTAGE

(V)

INITIAL

ACCURACY

(mV)

MAX6190B

MAX6190A

1.250 ±2

1.250 ±4

MAX6190C 1.250 ±6

MAX6191B

MAX6191A

2.048 ±2

2.048 ±5

MAX6191C 2.048 ±10

Pin Configuration

OUT

N.C.GND

N.C.

N.C.IN

N.C.

TOP VIEW

MAX6190–

MAX6195

MAX6198

<25±104.096MAX6198C

<10±54.096MAX6198B

<5±24.096

MAX6198A

Ordering Information continued at end of data sheet.

Denotes a lead(Pb)-free /RoHS-compliant package.

PART TEMP RANGE

PIN-PACKAGE

MAX6190AESA+ -40°C to +85°C

8 SO

MAX6190BESA+

-40°C to +85°C

8 SO

MAX6190CESA+ -40°C to +85°C

8 SO

MAX6191AESA+ -40°C to +85°C

8 SO

MAX6191BESA+

-40°C to +85°C

8 SO

MAX6191CESA+ -40°C to +85°C

8 SO

MAX6192AESA+ -40°C to +85°C

8 SO

MAX6192BESA+

-40°C to +85°C

8 SO

MAX6192CESA+ -40°C to +85°C

8 SO

Summary of content (14 pages)

PAGE 1
MAX6190–MAX6195/MAX6198 Precision, Micropower, Low-Dropout Voltage References General Description The MAX6190–MAX6195/MAX6198 precision, micropower, low-dropout voltage references offer high initial accuracy and very low temperature coefficient through a proprietary curvature-correction circuit and lasertrimmed precision thin-film resistors. These series-mode bandgap references draw a maximum of only 35µA quiescent supply current, making them ideal for battery-powered instruments.
PAGE 2
MAX6190–MAX6195/MAX6198 Precision, Micropower, Low-Dropout Voltage References ABSOLUTE MAXIMUM RATINGS Voltages Referenced to GND IN ......................................................................-0.3V to +13.5V OUT ..........................................................-0.3V to (VIN + 0.3V) Output Short Circuit to GND or IN (VIN < 6V) ............Continuous Output Short Circuit to GND or IN (VIN ≥ 6V) .........................60s Continuous Power Dissipation (TA = +70°C) 8-Pin SO (derate 5.
PAGE 3
MAX6190–MAX6195/MAX6198 Precision, Micropower, Low-Dropout Voltage References ELECTRICAL CHARACTERISTICS—MAX6191 (VIN = 5V, IOUT = 0nA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX MAX6191A 2.046 2.048 2.050 MAX6191B 2.043 2.048 2.053 MAX6191C 2.038 2.048 2.058 MAX6191A 2 5 MAX6191B 4 10 MAX6191C 8 25 2.5V ≤ VIN ≤ 12.6V 10 100 Sourcing: 0 ≤ IOUT ≤ 500µA 0.12 0.
PAGE 4
MAX6190–MAX6195/MAX6198 Precision, Micropower, Low-Dropout Voltage References ELECTRICAL CHARACTERISTICS—MAX6192 (VIN = 5V, IOUT = 0nA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX MAX6192A 2.498 2.500 2.502 MAX6192B 2.495 2.500 2.505 MAX6192C 2.490 2.500 2.
PAGE 5
MAX6190–MAX6195/MAX6198 Precision, Micropower, Low-Dropout Voltage References ELECTRICAL CHARACTERISTICS—MAX6193 (VIN = 5V, IOUT = 0nA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX MAX6193A 2.998 3.000 3.002 MAX6193B 2.995 3.000 3.005 MAX6193C 2.990 3.000 3.
PAGE 6
MAX6190–MAX6195/MAX6198 Precision, Micropower, Low-Dropout Voltage References ELECTRICAL CHARACTERISTICS—MAX6194 (VIN = 5V, IOUT = 0nA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX MAX6194A 4.498 4.500 4.502 MAX6194B 4.495 4.500 4.505 MAX6194C 4.490 4.500 4.510 MAX6194A 2 5 MAX6194B 4 10 MAX6194C 8 25 (VOUT + 0.2V) ≤ VIN ≤ 12.6V 25 160 Sourcing: 0 ≤ IOUT ≤ 500µA 0.16 0.80 Sinking: -500µA ≤ IOUT ≤ 0 0.
PAGE 7
MAX6190–MAX6195/MAX6198 Precision, Micropower, Low-Dropout Voltage References ELECTRICAL CHARACTERISTICS—MAX6195 (VIN = 5.5V, IOUT = 0nA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX MAX6195A 4.998 5.000 5.002 MAX6195B 4.995 5.000 5.005 MAX6195C 4.990 5.000 5.
PAGE 8
MAX6190–MAX6195/MAX6198 Precision, Micropower, Low-Dropout Voltage References ELECTRICAL CHARACTERISTICS—MAX6198 (VIN = 5V, IOUT = 0nA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS OUTPUT Output Voltage Output-Voltage Temperature Coefficient (Note 1) VOUT TCVOUT Line Regulation ΔVOUT/ ΔVIN Load Regulation ΔVOUT/ ΔIOUT Dropout Voltage (Note 4) Short-Circuit Current TA = +25°C MAX6198A 4.094 4.096 4.
PAGE 9
MAX6190–MAX6195/MAX6198 Precision, Micropower, Low-Dropout Voltage References Typical Operating Characteristics (VIN = 5V for MAX6190/1/2/3/4/8, VIN = 5.5V for MAX6195; IOUT = 0nA; TA = +25°C; unless otherwise noted.) (Note 5) MAX6195 OUTPUT VOLTAGE TEMPERATURE DRIFT 5.0035 5.0030 VOUT (V) 1.2500 THREE TYPICAL PARTS -20 0 20 40 60 80 4.998 4.997 4.996 5.0000 4.994 4.
PAGE 10
MAX6190–MAX6195/MAX6198 Precision, Micropower, Low-Dropout Voltage References Typical Operating Characteristics (continued) (VIN = 5V for MAX6190/1/2/3/4/8, VIN = 5.5V for MAX6195; IOUT = 0nA; TA = +25°C; unless otherwise noted.) (Note 5) 1 1 0.1 0.1 0.01 0.01 40 VALID OVER SPECIFIED VIN (MIN) TO VIN (MAX) FOR EACH PART 38 36 SUPPLY CURRENT (μA) VCC = 5.5V ±0.25V 10 PSR (mV/V) PSR (mV/V) 10 SUPPLY CURRENT vs.
PAGE 11
MAX6190–MAX6195/MAX6198 Precision, Micropower, Low-Dropout Voltage References Typical Operating Characteristics (continued) (VIN = 5V for MAX6190/1/2/3/4/8, VIN = 5.5V for MAX6195; IOUT = 0nA; TA = +25°C; unless otherwise noted.
PAGE 12
MAX6190–MAX6195/MAX6198 Precision, Micropower, Low-Dropout Voltage References Pin Description PIN 1, 3, 5, 7, 8 NAME N.C. FUNCTION No Connection. Not internally connected. 2 IN 4 GND Supply Voltage Input Ground 6 OUT Reference Voltage Output Detailed Description The MAX6190–MAX6195/MAX6198 precision bandgap references use a proprietary curvature-correction circuit and laser-trimmed thin-film resistors, resulting in a low temperature coefficient of <5ppm/°C and initial accuracy of better than 0.
PAGE 13
MAX6190–MAX6195/MAX6198 Precision, Micropower, Low-Dropout Voltage References VS VCC 2VS V+ IN MAX681 GND +REF OUTPUT OUT V- MAX6190– MAX6195 MAX6198 1MΩ, 0.1% V+ ICL7652 GND OUTPUT V1MΩ, 0.1% 10nF -REF OUTPUT -2VS Figure 1.
PAGE 14
MAX6190–MAX6195/MAX6198 Precision, Micropower, Low-Dropout Voltage References Revision History REVISION NUMBER REVISION DATE 3 4/10 DESCRIPTION Added automotive grade part, added lead-free information, and made style changes PAGES CHANGED 1–14 Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied.