LT6375 - ±270V Common Mode Voltage Difference Amplifier
Features
- ±270V Common Mode Voltage Range
- 97dB Minimum CMRR (LT6375A)
- 0.0035% (35ppm) Maximum Gain Error (LT6375A)
- 1ppm/°C Maximum Gain Error Drift
- 2ppm Maximum Gain Nonlinearity
- Wide Supply Voltage Range: 3.3V to 50V
- Rail-to-Rail Output
- 350μA Supply Current
- Selectable Internal Resistor Divider Ratio
- 300μV Maximum Offset Voltage (LT6375A)
- 575kHz –3dB Bandwidth (Resistor Divider = 7)
- 375kHz –3dB Bandwidth (Resistor Divider = 20)
- –40°C to 125°C Specified Temperature Range
- Low Power Shutdown: 20μA (DFN Package Only)
- Space-Saving MSOP and DFN Packages
Typical Application
Description
The LT®6375 is a unity-gain difference amplifier which combines excellent DC precision, a very high input common mode range and a wide supply voltage range. It includes a precision op amp and a highly-matched thin film resistor network. It features excellent CMRR, extremely low gain error and extremely low gain drift.
Comparing the LT6375 to existing difference amplifiers with high common mode voltage range, the selectable resistor divider ratios of the LT6375 offer superior system performance by allowing the user to achieve maximum SNR, precision and speed for a specific input common mode voltage range.
The op amp at the core of the LT6375 has Over-The-Top® protected inputs which allow for robust operation in environments with unpredictable voltage conditions. See the Applications Information section for more details.
The LT6375 is specified over the –40°C to 125°C temperature range and is available in space-saving MSOP16 and DFN14 packages.
Packaging
For complete and up to date package information and drawings, please refer to our packaging page
| Part Number | Package | Code | Temp | Package Drawing |
RoHS |
|---|---|---|---|---|---|
| LT6375AHDF#PBF | 4x4 DFN-14 | DF | H | 05-08-1963 | Yes |
| LT6375AHDF#TRPBF | 4x4 DFN-14 | DF | H | 05-08-1963 | Yes |
| LT6375AHMS#PBF | MS-16 | MS | H | 05-08-1847 | Yes |
| LT6375AHMS#TRPBF | MS-16 | MS | H | 05-08-1847 | Yes |
| LT6375HDF#PBF | 4x4 DFN-14 | DF | H | 05-08-1963 | Yes |
| LT6375HDF#TRPBF | 4x4 DFN-14 | DF | H | 05-08-1963 | Yes |
| LT6375HMS#PBF | MS-16 | MS | H | 05-08-1847 | Yes |
| LT6375HMS#TRPBF | MS-16 | MS | H | 05-08-1847 | Yes |
| LT6375IDF#PBF | 4x4 DFN-14 | DF | I | 05-08-1963 | Yes |
| LT6375IDF#TRPBF | 4x4 DFN-14 | DF | I | 05-08-1963 | Yes |
| LT6375IMS#PBF | MS-16 | MS | I | 05-08-1847 | Yes |
| LT6375IMS#TRPBF | MS-16 | MS | I | 05-08-1847 | Yes |
Order Info
- Part numbers ending in PBF are lead free. Solder plated terminal finish (SnPb) versions are non-standard and special terms and conditions and pricing applies if available. Please contact LTC marketing for information.
- Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectively
- Please refer to our general ordering information or the product datasheet for more details
Package Variations and Pricing
| Part Number | Package | Temp | Price (1-99) |
Price (1k)* |
RoHS | |
|---|---|---|---|---|---|---|
| LT6375AHDF#PBF | 4x4 DFN-14 | H | $7.02 | $5.05 | Yes | |
| LT6375AHDF#TRPBF | 4x4 DFN-14 | H | $5.11 | Yes | ||
| LT6375AHMS#PBF | MS-16 | H | $6.88 | $4.95 | Yes | |
| LT6375AHMS#TRPBF | MS-16 | H | $5.01 | Yes | ||
| LT6375HDF#PBF | 4x4 DFN-14 | H | $4.88 | $3.51 | Yes | |
| LT6375HDF#TRPBF | 4x4 DFN-14 | H | $3.57 | Yes | ||
| LT6375HMS#PBF | MS-16 | H | $4.72 | $3.39 | Yes | |
| LT6375HMS#TRPBF | MS-16 | H | $3.45 | Yes | ||
| LT6375IDF#PBF | 4x4 DFN-14 | I | $4.24 | $3.05 | Yes | |
| LT6375IDF#TRPBF | 4x4 DFN-14 | I | $3.11 | Yes | ||
| LT6375IMS#PBF | MS-16 | I | $4.10 | $2.95 | Yes | |
| LT6375IMS#TRPBF | MS-16 | I | $3.01 | Yes | ||
| Buy Now • Request Samples | ||||||
Demo Boards
Linear Technology offers many demo boards free of charge to qualified customers. Contact your local sales office or distributor to inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application.| Part Number | Description | Price | Documentation |
|---|---|---|---|
| DC2443A | LT6375 High VCM Diff Amp Demo Board | $50.00 | |
| Buy Now | |||
Applications
- High Side or Low Side Current Sensing
- Bidirectional Wide Common Mode Range Current Sensing
- High Voltage to Low Voltage Level Translation
- Precision Difference Amplifier
- Industrial Data-Acquisition Front-Ends
- Replacement for Isolation Circuits
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Design Tools
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LT6375
Technical Support
- For immediate technical assistance, contact your local sales office or distributor or call 1-800-4-LINEAR (US customers only) or 408-432-1900.
- For less urgent requests, please complete our Technical Support Request Form. Please allow 2-3 business days for reply.