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Linear Technology Electronic Components Datasheet

LT1167 Datasheet

Precision Instrumentation Amplifier

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FEATURES
n Single Gain Set Resistor: G = 1 to 10,000
n Gain Error: G = 10, 0.08% Max
n Input Offset Voltage Drift: 0.3μV/°C Max
n Meets IEC 1000-4-2 Level 4 ESD Tests with
Two External 5k Resistors
n Gain Nonlinearity: G = 10, 10ppm Max
n Input Offset Voltage: G = 10, 60μV Max
n Input Bias Current: 350pA Max
n PSRR at G = 1: 105dB Min
n CMRR at G = 1: 90dB Min
n Supply Current: 1.3mA Max
n Wide Supply Range: ±2.3V to ±18V
n 1kHz Voltage Noise: 7.5nV/√Hz
n 0.1Hz to 10Hz Noise: 0.28μVP-P
n Available in 8-Pin PDIP and SO Packages
APPLICATIONS
n Bridge Amplifiers
Strain Gauge Amplifiers
Thermocouple Amplifiers
Differential to Single-Ended Converters
Medical Instrumentation
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
LT1167
Single Resistor Gain
Programmable, Precision
Instrumentation Amplifier
DESCRIPTION
The LT®1167 is a low power, precision instrumentation
amplifier that requires only one external resistor to set
gains of 1 to 10,000. The low voltage noise of 7.5nV/√Hz
(at 1kHz) is not compromised by low power dissipation
(0.9mA typical for ± 2.3V to ±15V supplies).
The part’s high accuracy (10ppm maximum nonlinearity,
0.08% max gain error (G = 10)) is not degraded even for
load resistors as low as 2k. The LT1167 is laser trimmed for
very low input offset voltage (40μV max), drift (0.3μV/°C),
high CMRR (90dB, G = 1) and PSRR (105dB, G = 1).
Low input bias currents of 350pA max are achieved with
the use of superbeta processing. The output can handle
capacitive loads up to 1000pF in any gain configuration
while the inputs are ESD protected up to 13kV (human
body). The LT1167 with two external 5k resistors passes
the IEC 1000-4-2 level 4 specification.
The LT1167, offered in 8-pin PDIP and SO packages, re-
quires significantly less PC board area than discrete multi
op amp and resistor designs.
The LT1167-1 offers the same performance as the LT1167,
but its input current characteristic at high common mode
voltage better supports applications with high input imped-
ance (see the Applications Information section).
TYPICAL APPLICATION
Single Supply Barometer
VS
R5
392k
LT1634CCZ-1.25
1
2
OFFSET R4
ADJUST 50k
R3
50k
3+ 8
1/2
LT1490
24
1
R6
1k
5+
1/2
LT1490
R8 6
100k
LUCAS NOVA SENOR
NPC-1220-015-A-3L
4 1
5k 5k
2 5k
5k
6
RSET
+3
5
7
2
1
VS
7
R1
825Ω
LT1167
R2 G = 60
12Ω 8
3+
4
R7
50k 0.2% ACCURACY AT 25°C
1.2% ACCURACY AT 0°C TO 60°C
VS = 8V TO 30V
6
5
TO
4-DIGIT
DVM
VOLTS
2.800
3.000
3.200
INCHES Hg
28.00
30.00
32.00
1167 TA01
Gain Nonlinearity
OUTPUT VOLTAGE (2V/DIV)
G = 1000
RL = 1k
VOUT = ±10V
1167 TA02
1167fc
1


Linear Technology Electronic Components Datasheet

LT1167 Datasheet

Precision Instrumentation Amplifier

No Preview Available !

LT1167
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltage ...................................................... ± 20V
Differential Input Voltage (Within the
Supply Voltage) ......................................................±40V
Input Voltage (Equal to Supply Voltage)................. ± 20V
Input Current (Note 3)..........................................±20mA
Output Short-Circuit Duration ......................... Indefinite
Operating Temperature Range ................. –40°C to 85°C
Specified Temperature Range
LT1167AC/LT1167C/
LT1167AC-1/LT1167C-1 (Note 4) ............ 0°C to 70°C
LT1167AI/LT1167I/
LT1167AI-1/LT1167I-1 ........................ –40°C to 85°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
PIN CONFIGURATION
TOP VIEW
RG 1
–IN 2
+IN 3
–VS 4
+
8 RG
7 +VS
6 OUTPUT
5 REF
N8 PACKAGE
S8 PACKAGE
8-LEAD PDIP 8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 130°C/W (N8)
TJMAX = 150°C, θJA = 190°C/W (S8)
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE
LT1167ACN8#PBF
LT1167ACN8#TRPBF
LT1167AC
8-Lead PDIP
0°C to 70°C
LT1167ACS8#PBF
LT1167ACS8#TRPBF
1167A
8-Lead Plastic SO
0°C to 70°C
LT1167AIN8#PBF
LT1167AIN8#TRPBF
LT1167AI
8-Lead PDIP
–40°C to 85°C
LT1167AIS8#PBF
LT1167AIS8#TRPBF
1167AI
8-Lead Plastic SO
–40°C to 85°C
LT1167CN8#PBF
LT1167CN8#TRPBF
LT1167C
8-Lead PDIP
0°C to 70°C
LT1167CS8#PBF
LT1167CS8#TRPBF
1167
8-Lead Plastic SO
0°C to 70°C
LT1167IN8#PBF
LT1167IN8#TRPBF
LT1167I
8-Lead PDIP
–40°C to 85°C
LT1167IS8#PBF
LT1167IS8#TRPBF
1167I
8-Lead Plastic SO
–40°C to 85°C
LT1167CS8-1#PBF
LT1167CS8-1#TRPBF
11671
8-Lead Plastic SO
0°C to 70°C
LT1167IS8-1#PBF
LT1167IS8-1#TRPBF
11671
8-Lead Plastic SO
–40°C to 85°C
LT1167ACS8-1#PBF
LT1167ACS8-1#TRPBF 11671
8-Lead Plastic SO
0°C to 70°C
LT1167AIS8-1#PBF
LT1167AIS8-1#TRPBF
11671
8-Lead Plastic SO
–40°C to 85°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE
LT1167ACN8
LT1167ACN8#TR
LT1167AC
8-Lead PDIP
0°C to 70°C
LT1167ACS8
LT1167ACS8#TR
1167A
8-Lead Plastic SO
0°C to 70°C
LT1167AIN8
LT1167AIN8#TR
LT1167AI
8-Lead PDIP
–40°C to 85°C
LT1167AIS8
LT1167AIS8#TR
1167AI
8-Lead Plastic SO
–40°C to 85°C
LT1167CN8
LT1167CN8#TR
LT1167C
8-Lead PDIP
0°C to 70°C
LT1167CS8
LT1167CS8#TR
1167
8-Lead Plastic SO
0°C to 70°C
LT1167IN8
LT1167IN8#TR
LT1167I
8-Lead PDIP
–40°C to 85°C
LT1167IS8
LT1167IS8#TR
1167I
8-Lead Plastic SO
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
1167fc
2


Part Number LT1167
Description Precision Instrumentation Amplifier
Maker Linear
PDF Download

LT1167 Datasheet PDF






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