LT6372-1
Precision Instrumentation Amplifier with Level Shift and Output Clamping
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Features
- Single Gain Set Resistor: G = 1 to >1000
- Excellent DC Precision
- Input Offset Voltage: 60µV Max
- Input Offset Voltage Drift: 0.6µV/°C Max
- Low Gain Error: 0.01% Max (G = 1)
- Low Gain Drift: 35ppm/°C Max (G > 1)
- High DC CMRR: 86dB Min (G = 1)
- Integrated Output Clamps
- Integrated Output Level Shift
- Input Bias Current: 800pA Max
- 3.1MHz –3dB Bandwidth (G = 1)
- Low Noise:
- 0.1Hz to 10Hz Noise: 0.2µVP-P
- 1kHz Voltage Noise: 7nV/√Hz
- Integrated Input RFI Filter
- Wide Supply Range 4.75V to 35V
- Temperature Ranges: –40°C to 85°C and –40°C to 125°C
- MS16E and 20-Lead 3mm × 4mm QFN Packages
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The LT6372-1 is a gain programmable, high precision instrumentation amplifier that delivers industry leading DC precision. This high precision enables smaller signals to be sensed and eases calibration requirements, particularly over temperature. The LT6372-1 incorporates features into the LT6370 which further improve accuracy and simplify interfacing to an ADC.
The LT6372-1 uses a proprietary high performance bipolar process which enables industry leading accuracy coupled with exceptional long-term stability. The LT6372-1 is laser trimmed for very low input offset voltage (60µV) and high CMRR (86dB, G = 1). Proprietary on-chip test capability allows the gain drift (35ppm/°C) to be guaran-teed with automated testing.
The LT6372-1’s difference amplifier uses a split reference configuration which simplifies level shifting the amplifier’s output to the center of the ADC’s input range. Output clamp pins are also provided to limit the voltage which can be applied to an ADC’s input. EMI filtering is integrated on the LT6372-1’s inputs to maintain accuracy in the presence of harsh RF interference.
The LT6372-1 is available in a compact MS16E or a 20-pin 3mm × 4mm QFN. The LT6372-1 is fully specified over the –40°C to 85°C and –40°C to 125°C temperature ranges.
APPLICATIONS
- Bridge Amplifier
- Data Acquisition
- Thermocouple Amplifier
- Strain Gauge Amplifier
- Medical Instrumentation
- Transducer Interfaces
- Differential to Single-Ended Conversion
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Submit your question below and we will return the best answer from ADI’s knowledge database:
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LT6372-1
Documentation
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Data Sheet
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Documentation
Rarely Asked Question Page 1
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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| LT6372HMSE-1#PBF |
16-Lead MSOP w/ EP
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| LT6372HMSE-1#TRPBF |
16-Lead MSOP w/ EP
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| LT6372HUDC-1#PBF |
20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
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| LT6372HUDC-1#TRPBF |
20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
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| LT6372IMSE-1#PBF |
16-Lead MSOP w/ EP
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| LT6372IMSE-1#TRPBF |
16-Lead MSOP w/ EP
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| LT6372IUDC-1#PBF |
20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
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| LT6372IUDC-1#TRPBF |
20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
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- LT6372HMSE-1#PBF
- Pin/Package Drawing
-
16-Lead MSOP w/ EP
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LT6372HMSE-1#TRPBF
- Pin/Package Drawing
-
16-Lead MSOP w/ EP
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LT6372HUDC-1#PBF
- Pin/Package Drawing
-
20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LT6372HUDC-1#TRPBF
- Pin/Package Drawing
-
20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LT6372IMSE-1#PBF
- Pin/Package Drawing
-
16-Lead MSOP w/ EP
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LT6372IMSE-1#TRPBF
- Pin/Package Drawing
-
16-Lead MSOP w/ EP
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LT6372IUDC-1#PBF
- Pin/Package Drawing
-
20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- LT6372IUDC-1#TRPBF
- Pin/Package Drawing
-
20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
Software & Part Ecosystem
| Parts | Product Life Cycle | Description | ||
|---|---|---|---|---|
|
Fully Differential Amplifiers2 |
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LAST TIME BUY |
Precision, Low Power Differential Amplifier/ADC Driver Family |
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RECOMMENDED FOR NEW DESIGNS |
High Speed, ±0.1 µV/˚C Offset Drift, Fully Differential ADC Driver |
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Precision Resistor Network2 |
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RECOMMENDED FOR NEW DESIGNS |
Quad Matched Resistor Network |
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RECOMMENDED FOR NEW DESIGNS |
Matched Resistor Network for Precision Amplifiers |
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Series Voltage References1 |
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|
PRODUCTION |
0.25ppm Noise, Low Drift Precision References |
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Single Channel A/D Converters2 |
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|
PRODUCTION |
16-Bit, 500ksps, Pseudo-Differential Unipolar SAR ADC with 94.7dB SNR |
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|
PRODUCTION |
16-Bit, 2.5Msps SAR ADC with Pin-Configurable Analog Input Range and 96dB SNR |
|||
Evaluation Kits 1
DC2746A
LT6372-1/LT6372-0.2 Precision, Low Drift, Low Noise Instrumentation Amplifiers
Product Detail
Demonstration circuit 2746A is a blank/un-stuffed evaluation board to be used to facilitate prototyping of LT6372-1 and LT6372-0.2 instrumentation amplifiers in the MSOP-16 package. The board is designed to be as flexible as possible by providing many stuffing options and jumpers to configure. This board can be used with either LT6372-1 (for gains ≥ 1V/V amplification) or LT6372-0.2 (for gains as low as 0.2V/V attenuation).
Below are some of the capabilities of the board using board jumper selection or stuffing option.
- Single or dual supply operation.
- Flexible connections of REF1 and REF2 instrumentation amplifier reference voltage inputs. Options are: Both references to be tied together or separately driven, or grounded.
- Common mode or differential input.
- Input CM and differential filtering caps if needed.
- Upper and lower clamp pins driven externally or disabled.
- Output drive filtering and isolation resistor and cap.
- Prototyping area provided for SO-8 device to be used if needed. This prototype footprint can be run using the LT6372 power supplies or could be powered by different supply rails applied to the board.
Resources
