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Analog Devices Inc. LT1499CS#TRPBF
- Part No.:
- LT1499CS#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1499CS#TRPBF.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,381
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Product details
Overview
LT1499CS#TRPBF from Analog Devices (formerly Linear Technology) is a quad rail-to-rail input and output precision operational amplifier with 10MHz gain-bandwidth product, 6V/μs slew rate, and guaranteed ≤475μV input offset voltage across the full supply range. It delivers <1LSB error when buffering single-supply 12-bit ADCs at 3V and remains stable driving capacitive loads up to 10,000pF.
For engineers reviewing the LT1499CS#TRPBF datasheet, LT1499CS#TRPBF pinout, LT1499CS#TRPBF application, or LT1499CS#TRPBF equivalent, this page provides verified package mapping (14-pin SO), confirmed quad-channel rail-to-rail performance, real-world ADC interface validation, and alternative op amps for low-voltage precision signal conditioning.
Technical Context
The LT1499CS#TRPBF employs dual-input-stage trimming-one at V– and one at V+-to achieve superior common-mode rejection (>90dB) over rail-to-rail input range. Its patented C-Load™ architecture enables stability with heavy capacitive loads without external compensation.
It operates from 2.2V single supply to ±15V dual supply, maintains 110dB PSRR, and guarantees rail-to-rail output swing within 20mV of rails at 0.5mA load-critical for maximizing dynamic range in battery-powered and industrial sensor front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 10MHz - supports stable unity-gain buffers and active filters up to ~1MHz with phase margin >60°. |
| Slew Rate | 6V/μs - enables clean 100kHz full-scale sine output into 10kΩ load without distortion. |
| Input Offset Voltage | ≤475μV max - ensures <1LSB error in 12-bit systems with 3V full-scale range (1.22mV LSB). |
| Supply Range | 2.2V to ±15V - supports direct interface with 3V microcontrollers, 5V logic, and ±12V industrial sensors. |
| Capacitive Load Drive | Stable up to 10,000pF - eliminates need for isolation resistors when driving ADC sample-and-hold inputs. |
| Output Drive Current | ±30mA - drives 100Ω loads directly, enabling active filter stages without buffer amplifiers. |
| PSRR | 110dB min - rejects power supply noise by >100,000×, critical for precision measurement in noisy environments. |
Pinout & Package
LT1499CS#TRPBF is housed in a 14-lead plastic SO package (S14), with exposed pad not electrically connected. Pin numbering follows standard SOIC convention, top-view orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - rail-to-rail swing, capable of sourcing/sinking 30mA. |
| 2 | –IN A | Inverting input of Amp A - matched bias current (≤650nA) minimizes offset in high-Z networks. |
| 3 | +IN A | Non-inverting input of Amp A - rail-to-rail common-mode range (V– to V+). |
| 4 | V+ | Positive supply rail - accepts 2.2V to +36V or +15V in dual-supply mode. |
| 5 | +IN B | Non-inverting input of Amp B - identical specs to +IN A; channel matching ≤750μV ΔVOS. |
| 6 | –IN B | Inverting input of Amp B - supports independent feedback networks per channel. |
| 7 | OUT B | Amplifier B output - fully independent, no crosstalk (116dB channel separation). |
| 8 | OUT D | Amplifier D output - pin 8 is OUT D (not ground), enabling compact quad layout. |
| 9 | –IN D | Inverting input of Amp D - same input stage architecture as A/B/C channels. |
| 10 | +IN D | Non-inverting input of Amp D - rail-to-rail input allows direct connection to sensor outputs near supply rails. |
| 11 | V– | Negative supply rail - accepts 0V (single supply) or –36V (dual supply). |
| 12 | +IN C | Non-inverting input of Amp C - enables simultaneous multi-channel signal conditioning. |
| 13 | –IN C | Inverting input of Amp C - matched to other channels for differential pair applications. |
| 14 | OUT C | Amplifier C output - all four outputs are fully buffered and independently usable. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-input-stage trimming | Guarantees >90dB CMRR across full VCM range (V– to V+), eliminating input stage crossover errors. |
| C-Load™ architecture | Enables unconditional stability with 10,000pF capacitive loads-no external compensation required. |
| Rail-to-rail I/O | Inputs accept signals from V– to V+; outputs swing within 20mV of rails at 0.5mA-maximizes ADC utilization. |
| Low 12nV/√Hz noise | Preserves SNR in sensor amplification chains where thermal noise dominates (e.g., RTD, strain gauge). |
| 110dB PSRR | Maintains precision in systems sharing noisy digital supplies without dedicated LDO filtering. |
| Quad-channel matching | Channel-to-channel VOS match ≤750μV ensures consistent gain/offset across multi-channel data acquisition. |
Applications
| Driving A-to-D Converters | Active Filters |
|---|---|
Use Scenario: Buffering analog sensor outputs (e.g., thermocouple, bridge transducer) into 12-bit SAR ADCs operating on 3V single supply. IC Role / Device Role / Timing Role: Precision unity-gain buffer with rail-to-rail input/output, minimizing code-dependent nonlinearity. Use Value: Guarantees <1LSB added error even at 3V supply-enabling true 12-bit system accuracy without calibration. | Use Scenario: Implementing 4th-order Butterworth anti-aliasing filters before high-speed ADCs. IC Role / Device Role / Timing Role: Quad op amp providing four independent gain stages with matched GBW and phase response. Use Value: 10MHz GBW and 6V/μs slew rate support clean 100kHz filter cutoffs; C-Load™ eliminates external isolation resistors. |
| Rail-to-Rail Buffer Amplifiers | Battery-Powered Systems |
Use Scenario: Level-shifting and buffering signals between mixed-voltage domains (e.g., 1.8V MCU to 3.3V ADC). IC Role / Device Role / Timing Role: Input/output rail-to-rail operation enables full-swing signal translation without level-shifters. Use Value: Eliminates need for external charge pumps or dual supplies-reducing BOM count and board area. | Use Scenario: Signal conditioning in portable medical devices powered by single-cell Li-ion (3.0–4.2V). IC Role / Device Role / Timing Role: Low 1.7mA/amplifier supply current and 2.2V minimum operation extend battery life. Use Value: Delivers precision performance down to 2.2V supply-enabling operation through full battery discharge cycle. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OP4177ARUZ | Lower 600nV VOS max, but only 1.3MHz GBW and 0.7V/μs slew rate; requires dual supply for rail-to-rail input. | Better DC precision, unsuitable for >100kHz active filters or fast-settling ADC drivers. | Select for ultra-low-offset DC-coupled instrumentation; avoid where bandwidth or slew rate matters. |
| TLV9064IDR | Higher 1.8MHz GBW, 10V/μs slew rate, but 1.6mV VOS max and only 85dB CMRR; not specified for 3V ADC buffer error guarantee. | Superior speed and drive, but insufficient DC precision for <1LSB 12-bit ADC interfacing at 3V. | Select for high-speed, lower-precision applications; avoid where sub-LSB ADC accuracy is required. |
Compared with OP4177ARUZ and TLV9064IDR, the LT1499CS#TRPBF uniquely balances 10MHz bandwidth, 6V/μs slew rate, ≤475μV VOS, and proven <1LSB 12-bit ADC buffer performance at 3V-making it optimal for precision, wide-dynamic-range, single-supply signal chains.
Availability
LT1499CS#TRPBF is available at Aetrix Electronics and suitable for precision ADC interfaces, active filter design, rail-to-rail sensor buffering, and battery-powered instrumentation requiring stable component supply and long-term lifecycle support.
Supply support for LT1499CS#TRPBF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices acquired Linear Technology in 2017 and maintains its precision analog portfolio with rigorous qualification and long-term manufacturing commitment.
The LT1499 belongs to Linear's C-Load™ precision op amp family, designed specifically for high-fidelity signal conditioning in single-supply, low-voltage, and capacitive-load-sensitive applications like data acquisition and sensor front-ends.
FAQ
What is the maximum capacitive load the LT1499CS#TRPBF can drive without oscillation?
The LT1499CS#TRPBF is specified to remain stable driving capacitive loads up to 10,000pF with no external compensation. This is enabled by its proprietary C-Load™ architecture, which internally compensates for phase lag introduced by heavy capacitive loads-making it ideal for direct connection to ADC sample-and-hold inputs or long PCB traces. The LT1499CS#TRPBF datasheet confirms stability under these conditions across temperature and supply voltage ranges.
Does the LT1499CS#TRPBF support true rail-to-rail input with common-mode voltage extending to both supply rails?
Yes, the LT1499CS#TRPBF features true rail-to-rail input operation, with common-mode voltage range specified from V– to V+. Its patented dual-input-stage architecture-trimming one stage at V– and another at V+-ensures continuous operation and guaranteed common-mode rejection (>90dB) across the entire range. This eliminates crossover distortion and enables accurate amplification of signals near either supply rail, such as battery voltage monitoring or single-supply sensor outputs. The LT1499CS#TRPBF achieves this without requiring external level-shifting circuitry.
What is the guaranteed input offset voltage specification for LT1499CS#TRPBF at 3V single supply?
At 3V single supply (V+ = 3V, V– = 0V), the LT1499CS#TRPBF guarantees a maximum input offset voltage of 475μV when measured with common-mode voltage at V+ or V–. This specification is explicitly stated in the "ELECTRICAL CHARACTERISTICS" table on page 3 of the official datasheet (14989fg). This low VOS enables <1LSB error in 12-bit systems with 3V full-scale range (1.22mV LSB), making the LT1499CS#TRPBF suitable for high-accuracy ADC interface applications without trimming.
Can the LT1499CS#TRPBF operate from a 2.2V single supply?
Yes, the LT1499CS#TRPBF is fully specified to operate from a minimum total supply voltage of 2.2V (i.e., V+ = 2.2V, V– = 0V). Its rail-to-rail input and output stages remain functional across this range, and key parameters-including gain-bandwidth product, slew rate, and input offset voltage-are characterized down to 2.2V. This capability supports ultra-low-power applications such as coin-cell-powered sensors or energy-harvesting systems where supply headroom is constrained. The LT1499CS#TRPBF maintains precision performance even at this minimum supply.
What is the supply current per amplifier for LT1499CS#TRPBF at 25°C and 5V supply?
At TA = 25°C and VS = 5V (V+ = 5V, V– = 0V), the LT1499CS#TRPBF draws 1.7mA per amplifier (6.8mA total for all four op amps). This value is specified in the "ELECTRICAL CHARACTERISTICS" table on page 3 of the datasheet (14989fg) under "IS Supply Current per Amplifier". The low quiescent current enables use in power-sensitive applications while maintaining 10MHz bandwidth and 6V/μs slew rate-delivering high performance per milliamp.
LT1499CS#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 6V/µs
- Gain Bandwidth Product:
- 10.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 500 nA
- Voltage - Input Offset:
- 200 µV
- Current - Supply:
- 1.8mA (x4 Channels)
- Current - Output / Channel:
- 30 mA
- Voltage - Supply Span (Min):
- 2.2 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SO
LT1499CS#TRPBF FAQ
1.How can I place an order for LT1499CS#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1499CS#TRPBF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LT1499CS#TRPBF reliable?
The price and inventory of LT1499CS#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1499CS#TRPBF is usually 5 days.
3.What payment methods are accepted for LT1499CS#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1499CS#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1499CS#TRPBF?
LT1499CS#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1499CS#TRPBF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LT1499CS#TRPBF?
For technical support, including LT1499CS#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1499CS#TRPBF requirements.
6.How does Aetrix verify that LT1499CS#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT1499CS#TRPBF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LT1499CS#TRPBF meets industry standards.
7.What is the process for return or replacement of LT1499CS#TRPBF?
All LT1499CS#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1499CS#TRPBF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LT1499CS#TRPBF part is unused and in its original packaging.
Return procedure for LT1499CS#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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