LT1996CDD#PBF Analog Devices Integrated Circuit (Small Outline No-lead) In Stock
The LT1996CDD#PBF is a precision difference amplifier IC by Analog Devices featuring 120 dB typical common-mode rejection ratio (CMRR) and ultra-low 5 nA bias current at 25°C. It is a voltage-feedback operational amplifier designed for high-accuracy differential signal measurement and sensor interface applications. Available in a compact DFN package for space-constrained PCB designs.
- Manufacturer
- Analog Devices
- Package
- Small Outline No-lead
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- LT1996CDD#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.4510(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LT1996CDD#PBF?
- 120 dB typical CMRR (85 dB minimum) enabling precise rejection of common-mode noise in differential measurement systems
- Ultra-low 5 nA bias current at 25°C for accurate high-impedance sensor signal conditioning without input loading errors
- Voltage-feedback architecture providing stable, predictable frequency response for precision instrumentation designs
- Compact DFN package (Small Outline No-lead) minimizing PCB footprint in space-constrained measurement circuits
- Precision difference amplifier topology simplifying gain-setting resistor networks for differential-to-single-ended conversion
What is LT1996CDD#PBF used for?
The LT1996CDD#PBF is used in precision measurement systems requiring accurate differential-to-single-ended signal conversion, such as industrial strain gauge amplifiers, bridge sensor interfaces, battery stack voltage monitors, and 4-20 mA current loop receivers. Its 120 dB CMRR ensures that common-mode interference on long sensor cables does not corrupt the differential measurement, making it ideal for noisy industrial environments with ground potential differences up to several volts. The ultra-low 5 nA bias current also makes it suitable for high-impedance electrochemical sensor interfaces and precision DAQ front-end circuits.
What are the specifications of LT1996CDD#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1699 |
| YTEOL | 10 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.0075 µA |
| Bias Current-Max (IIB) @25C | 0.000005 µA |
| Common-mode Reject Ratio-Min | 85dB |
| Common-mode Reject Ratio-Nom | 120dB |
| Frequency Compensation | NO |
| Input Offset Voltage-Max | 250 µV |
| JESD-30 Code | S-PDSO-N10 |
| JESD-609 Code | e3 |
| Low-Bias | YES |
| Low-Offset | YES |
| Micropower | YES |
| Neg Supply Voltage Limit-Max | -20 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC10,.12,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | YES |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 0.06V/us |
| Slew Rate-Nom | 0.12V/us |
| Supply Current-Max | 0.21mA |
| Supply Voltage Limit-Max | 20V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 560 |
| Wideband | NO |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Malaysia |
Where can I find the LT1996CDD#PBF datasheet?
LT1996CDD#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT1996CDD#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What CMRR does the LT1996CDD#PBF achieve and why does this matter for industrial sensor measurements?
The LT1996CDD#PBF achieves a typical common-mode rejection ratio of 120 dB with a guaranteed minimum of 85 dB, which means common-mode interference at the differential input is attenuated by a factor of 1,000,000 or more before reaching the output. In industrial sensor applications with long cable runs, ground loops or coupling from 50/60 Hz power lines can introduce common-mode voltages of 1 V or more at the amplifier inputs, which without high CMRR would corrupt millivolt-level differential measurements. The 120 dB CMRR of the LT1996 allows accurate measurement even with several volts of common-mode interference present across the sensor cable.
How does the 5 nA input bias current of the LT1996CDD#PBF reduce measurement errors in high-impedance sensor interfaces?
The LT1996CDD#PBF has a maximum input bias current of 5 nA at 25°C, which is one of the lowest available for a precision difference amplifier. When the input bias current flows through the source impedance (such as a 100 kohm bridge sensor or electrochemical electrode), it creates an offset voltage error equal to Ibias times the source resistance. At 5 nA through 100 kohm, this error is only 0.5 mV, which is negligible in most precision 12-bit or 16-bit ADC systems. Higher bias current amplifiers can produce offset errors of tens of millivolts with high-impedance sources, severely limiting measurement accuracy.
For a Wheatstone bridge strain gauge circuit, how does the LT1996CDD#PBF simplify the signal conditioning design?
A Wheatstone bridge strain gauge produces a small differential output voltage (typically 1 mV to 10 mV full-scale at 5 V excitation) riding on a large common-mode voltage equal to half the bridge supply. The LT1996CDD#PBF directly processes this differential signal and rejects the common-mode voltage with its 120 dB CMRR, eliminating the need for a separate instrumentation amplifier or complex differential input stage. The internal precision resistor network sets a fixed gain with tight ratio matching, reducing the number of external components and the gain error compared to a discrete op-amp difference amplifier built with 1% resistors.
How does the LT1996CDD#PBF compare to a three-op-amp instrumentation amplifier for a battery stack voltage measurement application?
The LT1996CDD#PBF is a single-package solution for differential-to-single-ended conversion with a fixed gain and 120 dB CMRR, making it simpler and lower-cost than a three-op-amp in-amp topology that requires 3 op-amps and up to 7 external resistors. For battery stack cell voltage monitoring where the common-mode voltage can be tens of volts above ground but the differential cell voltage is only 1 V to 4.2 V, the LT1996 provides sufficient CMRR in a smaller BOM. Three-op-amp instrumentation amplifiers offer programmable gain via a single external resistor and can be advantageous when variable gain is needed, but the fixed-gain LT1996 is preferred in cost-sensitive and space-constrained 12-bit to 16-bit battery management systems.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $5.4225 | $5.42 |
| 10+ | $4.4740 | $44.74 |
| 19+ | $3.2700 | $62.13 |
| 50+ | $2.6790 | $133.95 |
| 150+ | $2.5650 | $384.75 |
| 250+ | $2.4510 | $612.75 |
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