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General Description

The MAX4162/MAX4163/MAX4164 are single/dual/quad,

micropower operational amplifiers that combine an

exceptional bandwidth to power consumption ratio with

true rail-to-rail inputs and outputs. They consume a

mere 25µA quiescent current per amplifier, yet achieve

200kHz gain-bandwidth product and are unity-gain

stable while driving any capacitive load. The MAX4162/

MAX4163/MAX4164 operate from either a single supply

(2.7V to 10V) or dual supplies (±1.35V to ±5V), with an

input common-mode voltage range that extends 250mV

beyond either supply rail. These amplifiers use a propri-

etary architecture to achieve a very high input common-

mode rejection ratio without the midswing nonlinearities

present in other Rail-to-Rail

op amps. This architec-

ture also maintains high open-loop gain and output

swing while driving substantial loads.

The combination of excellent bandwidth/power perfor-

mance, single-supply operation, and miniature footprint

makes these op amps ideal for portable equipment and

other low-power, single-supply applications. The single

MAX4162 is available in 8-pin SO and space-saving

5-pin SOT23 packages. The MAX4163 is available in an 8-

pin ultra chip-scale package (UCSP™) and an 8-pin µMAX

or SO package. The MAX4164 is available in a 14-pin SO

package.

________________________Applications

Battery-Powered Devices Medical Instruments

pH Probes Ionization Detectors

Portable Equipment Cellular Phones

Low-Power, Low-Voltage

Equipment

Features

♦ UCSP Package (MAX4163)

♦ 1.0pA Typical Input Bias Current

♦ Single-Supply Operation from 2.7V to 10V

♦ Input Common-Mode Voltage Range Extends

250mV Beyond Either Supply Rail

♦ Rail-to-Rail Output Swing

♦ 200kHz Gain-Bandwidth Product

♦ 25µA Quiescent Current per Amplifier

♦ Excellent CMRR, PSRR, and Gain Linearity

♦ No Phase Reversal for Overdriven Inputs

♦ Unity-Gain Stable

♦ Stable with Any Capacitive Load

♦ Internally Short-Circuit Protected to Either Rail

MAX4162/MAX4163/MAX4164

UCSP, Micropower, Single-Supply, 10V,

Rail-to-Rail I/O Op Amps

________________________________________________________________ Maxim Integrated Products 1

MAX152

1/2 MAX4163

MAX6120

MICROPOWER ±1.2V REFERENCE

REF+

-1.2V

+1.2V

OUT

GND

IN+

IN-

IN+

OUT

-3V

REF-

Typical Application Circuit

Pin Configurations

19-1195; Rev 1; 3/02

PART

MAX4162ESA

-40°C to +85°C

TEMP

RANGE

PIN-

PACKAGE

8 SO

Ordering Information

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.

TOP

MARK

—

TOP VIEW TOP VIEW (BUMPS SIDE DOWN)

IN-

IN+

OUT

MAX4162

MAX4163

SOT23

12 3

OUTA

OUTB

INA-

INB-

INB+V

INA+

UCSP (B9-2)

MAX4162EUK-T -40°C to +85°C 5 SOT23-5 AABX

MAX4163EBL-T*

-40°C to +85°C 8 UCSP-8 AAX

MAX4163EUA -40°C to +85°C 8 µMAX —

Pin Configurations continued at end of data sheet.

*UCSP reliability is integrally linked to the user’s assembly

methods, circuit board material, and environment. Refer to the

UCSP Reliability Notice in the UCSP Reliability section of this

data sheet for more information.

MAX4164ESD

-40°C to +85°C 14 SO —

Rail-to-Rail is a registered trademark of Nippon Motorola Ltd.

UCSP is a trademark of Maxim Integrated Products, Inc.

MAX4163ESA -40°C to +85°C 8 SO —

Summary of content (14 pages)

PAGE 1
9-1195; Rev 1; 3/02 UCSP, Micropower, Single-Supply, 10V, Rail-to-Rail I/O Op Amps ________________________Applications Battery-Powered Devices pH Probes Portable Equipment Low-Power, Low-Voltage Equipment Medical Instruments Ionization Detectors Cellular Phones Pin Configurations Features ♦ UCSP Package (MAX4163) ♦ 1.0pA Typical Input Bias Current ♦ Single-Supply Operation from 2.
PAGE 2
MAX4162/MAX4163/MAX4164 UCSP, Micropower, Single-Supply, 10V, Rail-to-Rail I/O Op Amps ABSOLUTE MAXIMUM RATINGS Supply Voltage (VDD to VSS) ..................................................11V IN+, IN-, OUT Voltage ......................(VDD + 0.3V) to (VSS - 0.3V) Short-Circuit Duration (to either rail)...........................Continuous Continuous Power Dissipation (TA = +70°C) 5-Pin SOT23 (derate 7.1mW/°C above +70°C)..............571mW 8-Pin SO (derate 5.88mW/°C above +70°C)..................
PAGE 3
UCSP, Micropower, Single-Supply, 10V, Rail-to-Rail I/O Op Amps (VDD = 3V, VSS = 0, VCM = VDD/2, VOUT = VDD/2, RL tied to VDD/2, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) PARAMETER Input Voltage-Noise Density SYMBOL en CONDITIONS MIN f = 1kHz TYP MAX UNITS 80 nV/√Hz Differential Input Capacitance 0.7 pF Input Common-Mode Capacitance 1.
PAGE 4
ELECTRICAL CHARACTERISTICS: 5V Operation (continued) (VDD = 5V, VSS = 0, VCM = VDD/2, VOUT = VDD/2, RL tied to VDD/2, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) PARAMETER Total Harmonic Distortion Slew Rate SYMBOL CONDITIONS THD f = 1kHz, VOUT = 2VP-P, RL = 100kΩ, AV = 1V/V MIN TYP SR Settling Time to 0.1% MAX UNITS 0.
PAGE 5
UCSP, Micropower, Single-Supply, 10V, Rail-to-Rail I/O Op Amps INPUT OFFSET VOLTAGE VARIATION vs. COMMON-MODE VOLTAGE 750 130 MAX4162-05 6 MAX4162-04 1000 POWER-SUPPLY REJECTION RATIO vs. FREQUENCY 4 AV = 1 110 2 500 0 -250 -4 -6 70 50 -10 -750 30 -12 10 -14 -20 20 0 40 60 80 100 -0.5 1.5 2.5 3.5 4.5 5.5 1 10 100 1k 10k 100k 1M FREQUENCY (Hz) POWER-SUPPLY REJECTION RATIO vs. TEMPERATURE COMMON-MODE REJECTION vs. TEMPERATURE OPEN-LOOP GAIN vs.
PAGE 6
Typical Operating Characteristics (continued) (VDD = 5V, VSS = 0, VCM = VDD/2, TA = +25°C, unless otherwise noted.) 200 150 100 50 VDD = 5V LOAD TO VDD/2 90 80 VDD - VOUT(MAX) (mV) VOUT(MIN) (mV) VDD - VOUT(MAX) (mV) VDD = 3V OR 5V LOAD TO VDD/2 250 100 MAX4162-15 VDD = 3V OR 5V LOAD TO VDD/2 250 300 MAX4162-14 300 MAXIMUM OUTPUT VOLTAGE vs. TEMPERATURE (VDD = 5V) MINIMUM OUTPUT VOLTAGE vs. LOAD CURRENT 200 150 100 MAX4162-16 MAXIMUM OUTPUT VOLTAGE vs.
PAGE 7
UCSP, Micropower, Single-Supply, 10V, Rail-to-Rail I/O Op Amps TOTAL HARMONIC DISTORTION PLUS NOISE vs. OUTPUT VOLTAGE SWING f = 5kHz RL = 100kΩ CL = 0 AV = 1000 40 GAIN (dB) THD + N (%) GAIN 0.1 144 108 72 20 36 0 0 -36 PHASE -72 -108 -20 f = 1kHz 180 PHASE (degrees) AV = 1 RL = 100kΩ MAX4162-22 60 MAX4162-21c 1 GAIN AND PHASE vs. FREQUENCY (CL = 0) -144 -40 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.
PAGE 8
MAX4162/MAX4163/MAX4164 UCSP, Micropower, Single-Supply, 10V, Rail-to-Rail I/O Op Amps Typical Operating Characteristics (continued) (VDD = 5V, VSS = 0, VCM = VDD/2, TA = +25°C, unless otherwise noted.
PAGE 9
UCSP, Micropower, Single-Supply, 10V, Rail-to-Rail I/O Op Amps NONINVERTING LARGE-SIGNAL PULSE RESPONSE (VDD = 5V, CL = 1500pF) MAX4163/MAX4164 CROSSTALK vs. FREQUENCY MAX4162-32 MAX4162-33 0 -20 IN 2V/div CROSSTALK (dB) -40 OUT 2V/div -60 -80 -100 -120 -140 -160 0.
PAGE 10
MAX4162/MAX4163/MAX4164 UCSP, Micropower, Single-Supply, 10V, Rail-to-Rail I/O Op Amps a) b) RAIL-TO-RAIL INPUT/OUTPUT VOLTAGE RANGE (VDD = 3V) RAIL-TO-RAIL INPUT/OUTPUT VOLTAGE RANGE (VDD = 2V) MAX4162-34 MAX4162-35 2V 3V IN 1V/div IN 0.667V/div 0 0 2V 3V OUT 1V/div OUT 0.667V/div 0 200µs/div 0 200µs/div VDD = 3V, VP-P = 3V, f = 1kHz, RL = 10kΩ VDD = 2V, VP-P = 2V, f = 1kHz, RL = 10kΩ Figure 1.
PAGE 11
UCSP, Micropower, Single-Supply, 10V, Rail-to-Rail I/O Op Amps 2) The charge pumps typically require up to 20µs on power-up to fully energize the internal supply rails (Figure 3). Power Supplies and Layout The MAX4162/MAX4163/MAX4164 are guaranteed to operate from a single 2.7V to 10.0V power supply, but full rail-to-rail operation typically extends below 2V. For single-supply operation, bypass the power supply with a 1µF capacitor in parallel with a 0.1µF ceramic capacitor.
PAGE 12
MAX4162/MAX4163/MAX4164 UCSP, Micropower, Single-Supply, 10V, Rail-to-Rail I/O Op Amps a) b) POWER-UP TRANSIENT (VDD = 3V) POWER-UP TRANSIENT (VDD = 5V) MAX4162-38 MAX4162-39 3V 5V IN 1.5V/div IN 2V/div 0 0 1.5V 2.5V OUT 750mV/div OUT 1V/div 0 0 100µs/div 100µs/div VDD = 3V, VIN = VDD/2, RL = 10kΩ, CL = 1500pF VDD = 5V, VIN = VDD/2, RL = 10kΩ, CL = 1500pF Figure 3.
PAGE 13
UCSP, Micropower, Single-Supply, 10V, Rail-to-Rail I/O Op Amps SOT5L.EPS ______________________________________________________________________________________ 13 MAX4162/MAX4163/MAX4164 Package Information (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.
PAGE 14
Package Information (continued) (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.) 9LUCSP, 3x3.EPS MAX4162/MAX4163/MAX4164 UCSP, Micropower, Single-Supply, 10V, Rail-to-Rail I/O Op Amps Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied.