INA126E BURR-BROWN [Burr-Brown Corporation], INA126E Datasheet

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INA126E

Manufacturer Part Number
INA126E
Description
MicroPOWER INSTRUMENTATION AMPLIFIER Single and Dual Versions
Manufacturer
BURR-BROWN [Burr-Brown Corporation]
Datasheet

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FEATURES
APPLICATIONS
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
LOW QUIESCENT CURRENT: 175 A/chan.
WIDE SUPPLY RANGE: 1.35V to 18V
LOW OFFSET VOLTAGE: 250 V max
LOW OFFSET DRIFT: 3 V/ C max
LOW NOISE: 35nV/ Hz
LOW INPUT BIAS CURRENT: 25nA max
8-PIN DIP, SO-8, MSOP-8 SURFACE- MOUNT
DUAL: 16-Pin DIP, SO-16, SSOP-16
INDUSTRIAL SENSOR AMPLIFIER:
PHYSIOLOGICAL AMPLIFIER:
MULTI-CHANNEL DATA ACQUISITION
PORTABLE, BATTERY OPERATED SYSTEMS
Bridge, RTD, Thermocouple
ECG, EEG, EMG
V
V
IN
IN
+
Micro
R
G
3
8
1
2
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
POWER INSTRUMENTATION AMPLIFIER
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V+
V–
7
4
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INA126
Single and Dual Versions
6
5
V
O
= (V
G = 5 +
IN
+
– V
IN
80k
) G
R
G
www.ti.com
DESCRIPTION
The INA126 and INA2126 are precision instrumentation ampli-
fiers for accurate, low noise differential signal acquisition. Their
two-op-amp design provides excellent performance with very
low quiescent current (175 A/channel). This, combined with a
wide operating voltage range of 1.35V to 18V, makes them
ideal for portable instrumentation and data acquisition sys-
tems.
Gain can be set from 5V/V to 10000V/V with a single
external resistor. Laser trimmed input circuitry provides low
offset voltage (250 V max), low offset voltage drift (3 V/ C
max) and excellent common-mode rejection.
Single version package options include 8-pin plastic DIP,
SO-8 surface mount, and fine-pitch MSOP-8 surface-mount.
Dual version is available in the space-saving SSOP-16 fine-
pitch surface mount, SO-16, and 16-pin DIP. All are specified
for the –40 C to +85 C industrial temperature range.
V
V
V
V
+
IN
IN
IN
IN
+
R
R
V–
G
G
16
15
14
13
8
2
3
4
1
SBOS062A – JANUARY 1996 – REVISED AUGUST 2005
Copyright © 1996-2005, Texas Instruments Incorporated
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INA2126
10
9
6
7
5
11
12
V+
INA2126
V
V
INA126
O
O
= (V
= (V
G = 5 +
G = 5 +
IN
+
IN
+
– V
– V
IN
IN
80k
80k
) G
) G
R
R
G
G

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INA126E Summary of contents

Page 1

POWER INSTRUMENTATION AMPLIFIER Micro Single and Dual Versions FEATURES LOW QUIESCENT CURRENT: 175 A/chan. WIDE SUPPLY RANGE: 1.35V to 18V LOW OFFSET VOLTAGE: 250 V max LOW OFFSET DRIFT max LOW NOISE: 35nV/ Hz LOW INPUT BIAS ...

Page 2

... PACKAGE/ORDERING INFORMATION PRODUCT 7 V+ Single 6 V INA126PA O INA126P 5 Ref INA126UA INA126U (2) INA126EA " (2) INA126E " Dual INA2126PA INA2126P – V INB INA2126UA + V INB INA2126U R (2) INA2126EA GB " (2) INA2126E " Ref ...

Page 3

... TEMPERATURE RANGE Specification Range Operation Range Storage Range Thermal Resistance, JA 8-Pin DIP SO-8 Surface-Mount MSOP-8 Surface-Mount 16-Pin DIP (dual) SO-16 (dual) SSOP-16 (dual) Specification same as INA126P, INA126U, INA126E; INA2126P, INA2126U, INA2126E. INA126, INA2126 SBOS062A INA126P INA2126P CONDITIONS MIN TYP 100 0.5 = 1.35V to 18V 5 ...

Page 4

TYPICAL CHARACTERISTICS +25 C and V = 15V, unless otherwise noted GAIN vs FREQUENCY 1000 100 –10 ...

Page 5

TYPICAL CHARACTERISTICS +25 C and V = 15V, unless otherwise noted INPUT-REFERRED NOISE vs FREQUENCY 100 Voltage Noise 10 Current Noise 100 Frequency (Hz) INPUT-REFERRED OFFSET VOLTAGE WARM- ...

Page 6

TYPICAL CHARACTERISTICS +25 C and V = 15V, unless otherwise noted SMALL-SIGNAL RESPONSE s/div LARGE-SIGNAL RESPONSE s/div 160 150 140 130 120 110 100 6 (Cont.) CHANNEL ...

Page 7

APPLICATION INFORMATION Figure 1 shows the basic connections required for operation of the INA126. Applications with noisy or high impedance power supplies may require decoupling capacitors close to the device pins as shown. The output is referred to the output ...

Page 8

INPUT BIAS CURRENT RETURN The input impedance of the INA126/2126 is extremely 9 high—approximately 10 . However, a path must be pro- vided for the input bias current of both inputs. This input bias current is typically –10nA (current flows ...

Page 9

Bridge R G Sensor 1 2.5V – similar instrumentation amplifier, INA125, provides an internal reference voltage for sensor excitation and/or A/D converter reference. FIGURE 4. Bridge Signal Acquisition—Single 5V Supply ...

Page 10

... PACKAGING INFORMATION (1) Orderable Device Status INA126E/250 ACTIVE INA126E/250G4 ACTIVE INA126E/2K5 ACTIVE INA126E/2K5G4 ACTIVE INA126EA/250 ACTIVE INA126EA/250G4 ACTIVE INA126EA/2K5 ACTIVE INA126EA/2K5G4 ACTIVE INA126P ACTIVE INA126PA ACTIVE INA126PAG4 ACTIVE INA126PG4 ACTIVE INA126U ACTIVE INA126U/2K5 ACTIVE INA126U/2K5G4 ACTIVE INA126UA ACTIVE INA126UA/2K5 ACTIVE ...

Page 11

Orderable Device Status INA2126EA/250G4 ACTIVE INA2126EA/2K5 ACTIVE INA2126EA/2K5G4 ACTIVE INA2126P ACTIVE INA2126PA ACTIVE INA2126PAG4 ACTIVE INA2126PG4 ACTIVE INA2126U ACTIVE INA2126UA ACTIVE INA2126UA/2K5 ACTIVE INA2126UA/2K5E4 ACTIVE INA2126UAE4 ACTIVE INA2126UAG4 ACTIVE INA2126UE4 ACTIVE SN200501036DRE4 ACTIVE (1) The marketing status values ...

Page 12

TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken ...

Page 13

P (R-PDIP-T8) 0.400 (10,60) 0.355 (9,02 0.260 (6,60) 0.240 (6,10 0.070 (1,78) MAX 0.020 (0,51) MIN 0.200 (5,08) MAX 0.125 (3,18) MIN 0.100 (2,54) 0.021 (0,53) 0.010 (0,25) 0.015 (0,38) NOTES: A. All linear dimensions are ...

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Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the ...

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