LT6600-10 - Very Low Noise, Differential Amplifier and 10MHz Lowpass Filter
Features
- Programmable Differential Gain via Two External Resistors
- Adjustable Output Common Mode Voltage
- Operates and Specified with 3V, 5V, ±5V Supplies
- 0.5dB Ripple 4th Order Lowpass Filter with 10MHz Cutoff
- 82dB S/N with 3V Supply and 2VP-P Output
- Low Distortion, 2VP-P , 800Ω Load
1MHz: 88dBc 2nd, 97dBc 3rd
5MHz: 74dBc 2nd, 77dBc 3rd - Fully Differential Inputs and Outputs
- Compatible with Popular Differential Amplifier Pinouts
- SO-8 and DFN-12 Packages
Typical Application
Description
The LT6600-10 combines a fully differential amplifier with a 4th order 10MHz lowpass filter approximating a Chebyshev frequency response. Most differential amplifiers require many precision external components to tailor gain and bandwidth. In contrast, with the LT6600-10, two external resistors program differential gain, and the filter’s 10MHz cutoff frequency and passband ripple are internally set. The LT6600-10 also provides the necessary level shifting to set its output common mode voltage to accommodate the reference voltage requirements of A/Ds.
Using a proprietary internal architecture, the LT6600-10 integrates an antialiasing filter and a differential amplifier/driver without compromising distortion or low noise performance. At unity gain the measured in band signal-to- noise ratio is an impressive 82dB. At higher gains the input referred noise decreases so the part can process smaller input differential signals without significantly degrading the output signal-to-noise ratio.
The LT6600-10 also features low voltage operation. The differential design provides outstanding performance for a 2VP-P signal level while the part operates with a single 3V supply.
For similar devices with other cutoff frequencies, refer to the LT6600-20, LT6600-15, LT6600-5 and LT6600-2.5.
Packaging
CAD Symbols and Footprints: The downloadable Zip file below contains the schematic symbol and PCB footprints.
For complete and up to date package information and drawings, please refer to our packaging page
| Part Number | Package | Code | Temp | Package Drawing |
RoHS |
|---|---|---|---|---|---|
| LT6600CDF-10#PBF | 4x4 DFN-12 | DF | C | 05-08-1733 | Yes |
| LT6600CDF-10#TRPBF | 4x4 DFN-12 | DF | C | 05-08-1733 | Yes |
| LT6600CS8-10#PBF | SO-8 | S8 | C | 05-08-1610 (S8) | Yes |
| LT6600CS8-10#TRPBF | SO-8 | S8 | C | 05-08-1610 (S8) | Yes |
| LT6600IDF-10#PBF | 4x4 DFN-12 | DF | I | 05-08-1733 | Yes |
| LT6600IDF-10#TRPBF | 4x4 DFN-12 | DF | I | 05-08-1733 | Yes |
| LT6600IS8-10#PBF | SO-8 | S8 | I | 05-08-1610 (S8) | Yes |
| LT6600IS8-10#TRPBF | SO-8 | S8 | I | 05-08-1610 (S8) | 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 | |
|---|---|---|---|---|---|---|
| LT6600CDF-10#PBF | 4x4 DFN-12 | C | $3.80 | $2.95 | Yes | |
| LT6600CDF-10#TRPBF | 4x4 DFN-12 | C | $3.01 | Yes | ||
| LT6600CS8-10#PBF | SO-8 | C | $3.80 | $2.95 | Yes | |
| LT6600CS8-10#TRPBF | SO-8 | C | $3.01 | Yes | ||
| LT6600IDF-10#PBF | 4x4 DFN-12 | I | $4.35 | $3.40 | Yes | |
| LT6600IDF-10#TRPBF | 4x4 DFN-12 | I | $3.46 | Yes | ||
| LT6600IS8-10#PBF | SO-8 | I | $4.35 | $3.40 | Yes | |
| LT6600IS8-10#TRPBF | SO-8 | I | $3.46 | 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 |
|---|---|---|---|
| DC962A-C | LT6600-10 Fc=10MHz | $75.00 | |
| Buy Now | |||
Applications
- High Speed ADC Antialiasing and DAC Smoothing in Networking or Cellular Base Station Applications
- High Speed Test and Measurement Equipment
- Medical Imaging
- Drop-In Replacement for Differential Amplifiers
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Design Tools
LTspice
LTspice® software is a powerful, fast and free simulation tool, schematic capture and waveform viewer with enhancements and models for improving the simulation of switching regulators. Click here to download LTspice
Models for the following parts are available in LTspice:
LT6600-10
LT6600-15
LT6600-2.5
LT6600-20
LT6600-5
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.
