MAXIM MAX9910, MAX9913 Technical data

General Description

The single MAX9910/MAX9911 and dual MAX9912/
MAX9913 operational amplifiers (op amps) feature a
maximized ratio of gain bandwidth (GBW) to supply
current and are ideal for battery-powered applications
such as portable instrumentation, portable medical
equipment, and wireless handsets. These CMOS op
amps feature an ultra-low input-bias current of 1pA, rail­to-rail inputs and outputs, low supply current of 4µA,
and operate from a single 1.8V to 5.5V supply. For
additional power conservation, the MAX9911/MAX9913
feature a low-power shutdown mode that reduces sup­ply current to 1nA, and puts the amplifiers’ outputs in a
high-impedance state. These devices are unity-gain
stable with a 200kHz GBW product.

The MAX9910 is available in a 5-pin SC70 package. The
MAX9911 is available in tiny 6-bump WLP and a 6-pin
SC70 packages. The MAX9912 is available in an 8-pin
SOT23 package, and the MAX9913 is available in a 10­pin µMAX®package. All devices are specified over the

-40°C to +85°C extended operating temperature range.

Applications

Portable Medical Devices

Portable Test Equipment

Laptops

Data-Acquisition Equipment

Features

o 200kHz GBW

o Ultra-Low 4µA Supply Current

o Single 1.8V to 5.5V Supply Voltage Range

o Ultra-Low 1pA Input Bias Current

o Rail-to-Rail Input and Output Voltage Ranges

o Low ±200µV Input Offset Voltage

o Low 0.001µA Shutdown Current

o High-Impedance Output During Shutdown

(MAX9911/MAX9913)

o Unity-Gain Stable

o Available in Tiny WLP, SC70, SOT23, and µMAX

Packages

MAX9910–MAX9913

200kHz, 4µA, Rail-to-Rail

I/O Op Amps with Shutdown

________________________________________________________________

Maxim Integrated Products

1

19-3406; Rev 2; 10/10

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.mxim-ic.com.

Ordering Information

Typical Operating Circuit

Selector Guide

+

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

µMAX is a registered trademark of Maxim Integrated Products, Inc.

1.8V TO 5.5V

OUTA

INA-

INA+

V

MID

OUTB

INB-

V

DD

V

OUT

25kΩ

PART TEMP RANGE

MAX9910EXK+T -40°C to +85°C 5 SC70 AGA

MAX9910EXK-T -40°C to +85°C 5 SC70 AGA

MAX9911EXT+T -40°C to +85°C 6 SC70 ACA

MAX9911EXT-T -40°C to +85°C 6 SC70 ACA

MAX9911EWT+ -40°C to +85°C 6 WLP BQ

MAX9912EKA+T -40°C to +85°C 8 SOT23 AEJY

MAX9912EKA-T -40°C to +85°C 8 SOT23 AEJY

MAX9913EUB -40°C to +85°C 10 µMAX —

MAX9913EUB+ -40°C to +85°C 10 µMAX —

PIN­PACKAGE

TOP

MARK

INB+

V

+ V

MID

V

SS

ON

SHDNA

OFF

1MΩ

THREE ELECTRODE GLUCOSE METER APPLICATION WITH SHUTDOWN

MAX9913

CE

RE

GLUCOSE

SENSOR

WE

SHDNB

BIAS

ON

OFF

PART

MAX9910EXK-T 1 No

MAX9911EXT-T 1 Yes

MAX9912EKA-T 2 No

MAX9913EUB 2 Yes

AMPLIFIERS

PER PACKAGE

SHUTDOWN

MODE

MAX9910–MAX9913

200kHz, 4µA, Rail-to-Rail
I/O Op Amps with Shutdown

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.

Power-Supply Voltage (VDDto VSS) ......................-0.3V to +6.0V

IN_+, IN_-, OUT_, SHDN_ ............... (V

SS

- 0.3V) to (VDD+ 0.3V)

Current into IN_+, IN_- ......................................................±20mA

Output Short-Circuit Duration to V

DD

or VSS..............Continuous

Continuous Power Dissipation (T

A

= +70°C)

5-Pin SC70 (derate 3.1mW/°C above +70°C)............. 247mW

6-Bump WLP (derate 10.5mW/°C above +70°C).........840mW

6-Pin SC70 (derate 3.1mW/°C above +70°C)............. 245mW

8-Pin SOT23 (derate 9.1mW/°C above +70°C)........... 727mW

10-Pin µMAX (derate 5.6mW/°C above +70°C) ...........444mW

Operating Temperature Range .......................... -40°C to +85°C

Junction Temperature .....................................................+150°C

Storage Temperature Range ............................-65°C to +150°C

Lead Temperature (excluding WLP, soldering 10s) ........+300°C

Soldering Temperature (reflow)

Lead(Pb)-Free Packages.............................................+260°C

Packages Containing Lead(Pb)...................................+240°C

ELECTRICAL CHARACTERISTICS

(VDD= 1.8V to 5.5V, VSS= 0V, VCM= 0V, V

OUT

= VDD/ 2, RL= ∞ connected to VDD/ 2, SHDN_ = VDD, TA= +25°C, unless otherwise

noted.) (Note 1)

)

Supply Voltage Range V

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Supply Current I

Shutdown Supply Current I

Input Offset Voltage V
Input-Offset-Voltage Matching MAX9912/MAX9913 ±250 µV

Input Bias Current I

Input Offset Current I

Input Resistance R

Input Common-Mode Range V

Common-Mode Rejection Ratio CMRR -0.1V < VCM < VDD + 0.1V, VDD = 5.5V 70 80 dB

Power-Supply Rejection Ratio PSRR 1.8V < VDD < 5.5V 65 95 dB

Open-Loop Gain A

Output-Voltage-Swing High V

Channel-to-Channel Isolation CH

Output Short-Circuit Current I

DD(SHDN_

OUT(SC)

DD

DD

OS

B

OS

IN

CM

VOL

OH

OL

ISO

Guaranteed by PSRR test 1.8 5.5 V

MAX9910/MAX9911

MAX9912/MAX9913

SHDN_ = GND, MAX9911/MAX9913 0.001 0.5 µA

(Note 2) ±1 ±10 pA
(Note 2) ±1 ±10 pA

Common mode 1

Differential mode, -1mV < VIN < +1mV 10

Guaranteed by CMRR test

25mV < V
R

L

100mV < V
R

L

VDD - V

V

OUT

Specified at DC, MAX9912/MAX9913 100 dB

OUT

= 100kΩ, VDD = 5.5V

- V

OUT

OUT

SS

= 5kΩ, VDD = 5.5V

VDD = 1.8V 4

= 5.5V 4 5.0

V

DD

VDD = 1.8V 7

= 5.5V 7 9

V

DD

±0.2 ±1mV

V

< VDD - 25mV,

< VDD - 100mV,

RL = 100kΩ 2.5 5

RL = 5kΩ 50 70

RL = 1kΩ 250

RL = 100kΩ 2.5 5

RL = 5kΩ 50 70Output-Voltage-Swing Low V

RL = 1kΩ 250

-

SS

0.1

95 120

95 110

VDD +

0.1

±15 mA

µA

GΩ

V

dB

mV

mV

MAX9910–MAX9913

200kHz, 4µA, Rail-to-Rail

I/O Op Amps with Shutdown

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

(VDD= 1.8V to 5.5V, VSS= 0V, VCM= 0V, V

OUT

= VDD/ 2, RL= ∞ connected to VDD/ 2, SHDN_ = VDD, TA= +25°C, unless otherwise

noted.) (Note 1)

(

)

ELECTRICAL CHARACTERISTICS

(VDD= 1.8V to 5.5V, VSS= 0V, VCM= 0V, V

OUT

= VDD/2, RL= ∞ connected to VDD/ 2, SHDN_ = VDD, TA= -40°C to +85°C, unless

otherwise noted.) (Note 1)

)

SHDN_ Logic Low V

SHDN_ Logic High V

SHDN_ Input Bias Current

Output Leakage in Shutdown I

Gain-Bandwidth Product 200 kHz

Slew Rate 0.1 V/µs

Capacitive-Load Stability (See
the Driving Capacitive Loads
Section)

Input Voltage-Noise Density f = 1kHz 400 nV/√Hz
Input Current-Noise Density f = 1kHz 0.001 pA/√Hz

Settling Time To 0.1%, V

Delay Time to Shutdown t

Delay Time to Enable t

Power-Up Time VDD = 0 to 5.5V step 5 µs

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

OUT

C

IL

IH

I

IL

I

IH

SHDN_

LOAD

SH

EN

VDD = 1.8V to 3.6V, MAX9911/MAX9913 0.4

VDD = 3.6V to 5.5V, MAX9911/MAX9913 0.8

VDD = 1.8V to 3.6V, MAX9911/MAX9913 1.4

VDD = 3.6V to 5.5V, MAX9911/MAX9913 2

SHDN_ = VSS, MAX9911/MAX9913 (Note 2) 1
SHDN_ = V

SHDN_ = VSS, V

MAX9911/MAX9913

No sustained
oscillations

IDD = 5% of normal operation,

= 5.5V, V

V

DD

= 2.7V, V

V

OUT

V

= 5.5V, V

DD

, MAX9911/MAX9913 500

DD

= 0V to VDD,

OUT

AV = 1V/V 30

AV = 10V/V 250

RL = 5kΩ, AV = 1V/V 200

R

= 1kΩ, AV = 1V/V 100

ISO

= 2V step, AV = -1V/V 18 µs

OUT

= 5.5V to 0 step

SHDN_

settles to 0.1%,

OUT

= 0 to 5.5V step

SHDN_

1 500 nA

2µs

30 µs

V

V

nA

pF

Supply Voltage Range V

Supply Current I

Shutdown Supply Current I

Input Offset Voltage V

Input-Offset-Voltage
Temperature Coefficient

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

DD(SHDN_

TC

DD

DD

OS

VOS

Guaranteed by PSRR test 1.8 5.5 V

MAX9910/MAX9911 5.5

MAX9912/MAX9913
SHDN_ = GND, MAX9911/MAX9913 1 µA

V

DD

= 5.5V

11

±5mV

±5 µV/°C

µA

MAX9910–MAX9913

200kHz, 4µA, Rail-to-Rail
I/O Op Amps with Shutdown

4 _______________________________________________________________________________________

Note 1: Specifications are 100% tested at TA= +25°C (exceptions noted). All temperature limits are guaranteed by design.
Note 2: Guaranteed by design, not production tested.

ELECTRICAL CHARACTERISTICS (continued)

(VDD= 1.8V to 5.5V, VSS= 0V, VCM= 0V, V

OUT

= VDD/2, RL= ∞ connected to VDD/ 2, SHDN_ = VDD, TA= -40°C to +85°C, unless

otherwise noted.) (Note 1)

)

Input Bias Current I

Input Offset Current I

Input Common-Mode Range V

Common-Mode Rejection Ratio CMRR -0.05V < VCM < VDD + 0.05V, VDD = 5.5V 60 dB

Power-Supply Rejection Ratio PSRR 1.8V < VDD < 5.5V 59 dB

Open-Loop Gain A

Output-Voltage-Swing High V

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Output-Voltage-Swing Low V

SHDN_ Logic Low V

SHDN_ Logic High V

SHDN_ Input-Bias Current

Output Leakage in Shutdown I

OUT(SHDN_

B

OS

V

-

CM

VOL

OH

OL

IL

IH

I

IL

I

IH

Guaranteed by CMRR test

OUT

SS

OUT

OUT

< V

< V

OUT

- 25mV,

DD

- 150mV,

DD

RL = 100kΩ 5

RL = 5kΩ 90

RL = 100kΩ 5

RL = 5kΩ 90

= 0V to VDD,

25mV < V

= 100kΩ, VDD = 5.5V

R

L

150mV < V

= 5kΩ, VDD = 5.5V

R

L

VDD - V

V

- V

OUT

VDD = 1.8V to 3.6V 0.4

VDD = 3.6V to 5.5V 0.8

VDD = 1.8V to 3.6V, MAX9911/MAX9913 1.4

VDD = 3.6V to 5.5V, MAX9911/MAX9913 2

SHDN_ = VSS, MAX9911/MAX9913 5 nA
SHDN_ = VDD, MAX9911/MAX9913 1000 nA

SHDN_ = VSS, V

MAX9911/MAX9913

SS

0.05

85

80

±30 pA
±20 pA

VDD +

0.05

1000 nA

V

dB

mV

mV

V

V

MAX9910–MAX9913

200kHz, 4µA, Rail-to-Rail

I/O Op Amps with Shutdown

_______________________________________________________________________________________

5

Typical Operating Characteristics

(VDD= 3V, VSS= VCM= 0V, RL to VDD/ 2, TA= +25°C, unless otherwise noted.)

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

9

8

DUAL

7

6

(µA)

5

CC

I

SINGLE

4

3

2

1

1.8 5.5

TA = +85°C

V

TA = +25°C

SUPPLY

TA = -40°C

TA = +25°C

TA = +85°C

(V)

INPUT OFFSET VOLTAGE

vs. TEMPERATURE

200

150

100

50

0

-50

(µV)

OS

-100

V

-150

-200

-250

-300

-350

-40 85
TEMPERATURE (°C)

TA = -40°C

5.04.22.6 3.4

603510-15

MAX9910 toc01

SHUTDOWN SUPPLY CURRENT (nA)

MAX9910 toc04

(pA)
I

SHUTDOWN SUPPLY CURRENT

vs. TEMPERATURE

12

10

8

6

4

2

0

-40 85
TEMPERATURE (°C)

INPUT BIAS CURRENT

vs. TEMPERATURE

7

6

5

4

3

2

B

1

0

-1

-2

-3

-40 85

IB-

IB+

TEMPERATURE (°C)

603510-15

603510-15

MAX9910 toc02

MAX9910 toc05

INPUT OFFSET VOLTAGE

vs. INPUT COMMON-MODE VOLTAGE

1000

750

500

250

(µV)

0

OS

V

-250

-500

-750

-1000
0 3.0

TA = +85°C

TA = -40°C

TA = +25°C

VCM (V)

INPUT BIAS CURRENT

vs. INPUT COMMON-MODE VOLTAGE

5

4

3

2

1

0

(pA)

B

I

-1

-2

-3

-4

-5

-0.5 3.5
VCM (V)

MAX9910 toc03

2.52.00.5 1.0 1.5

MAX9910 toc06

3.02.51.5 2.00.5 1.00

POWER-SUPPLY REJECTION RATIO

vs. FREQUENCY

0

-20

-40

-60

PSRR (dB)

-80

-100

-120

0.1 10k
FREQUENCY (Hz)

COMMON-MODE REJECTION RATIO

vs. TEMPERATURE

140

120

MAX9910 toc07

100

80

60

CMRR (dB)

40

20

0

1k100101

-40 85

TEMPERATURE (°C)

603510-15

MAX9910 toc08

COMMON-MODE REJECTION RATIO

vs. FREQUENCY

0

-10

-20

-30

-40

-50

CMRR (dB)

-60

-70

-80

-90

-100

FREQUENCY (Hz)

MAX9910 toc09

10k1k100101100k

MAX9910–MAX9913

200kHz, 4µA, Rail-to-Rail
I/O Op Amps with Shutdown

6 _______________________________________________________________________________________

Typical Operating Characteristics (continued)

(VDD= 3V, VSS= VCM= 0V, RL to VDD/ 2, TA= +25°C, unless otherwise noted.)

SLEW RATE

vs. SUPPLY VOLTAGE

0.6

0.5

0.4

0.3

0.2

0.1

0

SLEW RATE (V/µS)

-0.1

-0.2

-0.3

-0.4

1.8 5.5
SUPPLY VOLTAGE (V)

MAX9910 toc10

5.04.23.42.6

1000

100

10

OUTPUT VOLTAGE SWING (mV)

OPEN-LOOP GAIN

RL = 100k

RL = 5k

L

Ω

RL = 1k

TO VSS)

Ω

Ω

603510-15-40 85

MAX9910 toc13

(dB)

VOL

A

140

120

100

80

60

40

20

(dB)

VOL

A

vs. TEMPERATURE (R

140

120

100

80

60

40

20

0

TEMPERATURE (°C)

OUTPUT-SWING HIGH

vs. TEMPERATURE

Ω

RL = 1k

Ω

RL = 5k

Ω

RL = 100k

RL TO V

SS

VOH = VDD - V

1

-40 85
TEMPERATURE (°C)

OUT

603510-15

OPEN-LOOP GAIN

Ω

RL = 1k

TO VDD)

L

RL = 5k

Ω

603510-15-40 85

Ω

vs. TEMPERATURE (R

RL = 100k

0

TEMPERATURE (°C)

10000

VOL = V

MAX9910 toc11

RL TO V

1000

100

RL = 5k

10

OUTPUT VOLTAGE SWING (mV)

1

-40 85

vs. FREQUENCY (R

80

GAIN

60

MAX9910 toc14

40

20

PHASE

0

GAIN (dB)

-20

-40

-60

-80
11M

OUTPUT-SWING LOW

vs. TEMPERATURE

- V

OUT

SS

DD

Ω

TEMPERATURE (°C)

RL = 1k

GAIN AND PHASE

= ∞, C

L

FREQUENCY (Hz)

Ω

RL = 100k

603510-15

= 15pF)

LOAD

MAX9910 toc15

AV = 1000V/V

100k10k10 100 1k

MAX9910 toc12

Ω

180

135

90

45

0

-45
PHASE (DEGREES)

-90

-135

-180

GAIN AND PHASE

vs. FREQUENCY (R

100

80

GAIN

60

40

20

PHASE

0

GAIN (dB)

-20

-40

-60

-80

-100
11M

= 5kΩ, C

L

FREQUENCY (Hz)

= 100pF)

LOAD

MAX9910 toc16

AV = 1000V/V

100k10k10 100 1k

225

180

135

90

45

0

-45
PHASE (DEGREES)

-90

-135

-180

-225

0

MAX9912/MAX9913

-20

-40

-60

CROSSTALK (dB)

-80

-100

-120
10 100k

CROSSTALK

vs. FREQUENCY

MAX9910 toc17

THD+N (dB)

10k1k100

FREQUENCY (Hz)

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. FREQUENCY

-5

-15

-25

-35

-45

-55

-65

-75

V

= 2V

OUT

P-P

-85

-95
10 10k

FREQUENCY (Hz)

MAX9910 toc18

1k100