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Analog Devices Inc. LT1467LCS#TRPBF
- Part No.:
- LT1467LCS#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1467LCS#TRPBF.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 16SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,137
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Product details
Overview
LT1467LCS#TRPBF from Analog Devices (formerly Linear Technology) is a quad precision rail-to-rail input and output operational amplifier optimized for low-power, high-accuracy signal conditioning in battery-powered and space-constrained systems. It delivers 75 µA max supply current per amplifier, 390 µV max input offset voltage across full rail-to-rail common-mode range, and 83 dB min CMRR - enabling precise sensing in 3V/5V single-supply applications such as current monitoring and ADC driver stages.
For engineers reviewing the LT1467LCS#TRPBF datasheet, LT1467LCS#TRPBF pinout, LT1467LCS#TRPBF application, or LT1467LCS#TRPBF equivalent, key selection criteria include guaranteed VOS over full VCM range, bipolar input stage trimming for superior CMRR, rail-to-rail swing with <60 mV VOL and V+ – 0.026 V VOH at light load, and 120 kHz gain bandwidth under ±5V operation.
Technical Context
The LT1467LCS#TRPBF employs a dual-input-stage architecture: a PNP pair active near V– and an NPN pair active near V+, both independently trimmed for offset voltage. This patented technique enables consistent 390 µV max VOS across VCM = V– to V+, unlike competitive rail-to-rail op amps specified only at mid-supply.
Its complementary bipolar output stage (Q12/Q13) delivers true rail-to-rail swing with matched sourcing/sinking capability, while internal compensation (CC capacitor) sets a stable 120 kHz GBW. The device operates from 2V single supply up to ±5V, with PSRR ≥90 dB and channel separation ≥120 dB at 1 kHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current per Amp | 75 µA max - enables multi-channel precision sensing in µA-budget systems like portable medical monitors. |
| Input Offset Voltage | 390 µV max across full VCM range - eliminates calibration drift when measuring near supply rails. |
| CMRR | 83 dB min - rejects supply noise and ground bounce in noisy industrial sensor interfaces. |
| Gain Bandwidth Product | 120 kHz - supports stable unity-gain buffering of DC-coupled sensor outputs without oscillation. |
| Output Swing (RL = ∞) | V– + 32 mV / V+ – 26 mV - drives SAR ADC inputs directly from 3.3V rails with >3V dynamic range. |
| Input Bias Current | 6 nA typ - preserves accuracy in high-impedance pH or photodiode front-ends without guard traces. |
| Large-Signal Voltage Gain | 400 V/mV min into 10 kΩ - ensures <0.025% gain error in closed-loop configurations. |
Pinout & Package
LT1467LCS#TRPBF is housed in a 16-lead narrow SOIC (S package), 0.150-inch body width, with standard quad op amp pinout and thermal resistance θJA = 190°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 9, 13 | OUT A/B/C/D | Amplifier outputs - each capable of sourcing 2.5 mA and sinking 2.5 mA while maintaining rail-to-rail swing. |
| 2, 6, 10, 14 | –IN A/B/C/D | Inverting inputs - bipolar differential pairs with matched PNP/NPN topology for consistent VOS vs. VCM. |
| 3, 7, 11, 15 | +IN A/B/C/D | Non-inverting inputs - same dual-stage architecture; VOS shift ≤345 µV across full common-mode range. |
| 4 | V+ | Positive supply - supports 2V to +5V single supply or ±5V dual supply operation. |
| 12 | V– | Negative supply - referenced to ground in single-supply mode; enables true V–-to-V+ input range. |
| 8, 16 | NC | No connect - internally unused; must remain unconnected to avoid parasitic coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input & output | Operates with VCM = V– to V+ and VO = V– to V+ - eliminates level-shifting circuitry in 3.3V data acquisition systems. |
| Dual-trimmed input stages | Independent VOS trimming at V– and V+ - achieves 83 dB CMRR, outperforming single-stage rail-to-rail op amps by >20 dB. |
| Guaranteed VOS over full VCM | 390 µV max at both rails - enables accurate measurement of signals within 100 mV of supply limits without software correction. |
| Low-noise bipolar process | 45 nV/√Hz input voltage noise at 1 kHz - preserves SNR in low-level thermocouple or strain gauge amplification. |
| High channel separation | 120 dB min at 1 kHz - prevents crosstalk in multi-channel instrumentation where adjacent amps drive different sensors. |
Applications
| Supply Current Sensing | Driving A/D Converters |
|---|---|
Use Scenario: Monitoring battery discharge current in portable ECG devices using a 50 mΩ shunt resistor. IC Role / Device Role / Timing Role: Precision current-to-voltage conversion with rail-to-rail output swing into 12-bit SAR ADC reference buffer. Use Value: 390 µV max VOS ensures <0.8% full-scale error at 100 mA sense current; 75 µA supply current minimizes self-heating drift. | Use Scenario: Buffering and level-shifting sensor outputs (e.g., RTD bridge) into successive-approximation ADCs. IC Role / Device Role / Timing Role: Unity-gain follower with 120 kHz GBW and 0.026 V headroom - maintains linearity across 0–3.3V input range. Use Value: Rail-to-rail output swing delivers full 3.3V ADC input range; 83 dB CMRR rejects power rail noise coupled into sensor cables. |
| Test Equipment Amplifiers | Low-Power Sensor Signal Conditioning |
Use Scenario: DC-coupled gain stage in handheld multimeters measuring µA-level leakage currents. IC Role / Device Role / Timing Role: High-impedance transimpedance amplifier with 6 nA typ IB and 400 V/mV open-loop gain. Use Value: Low IB prevents input loading errors on high-Z DUTs; 400 V/mV AVOL ensures <0.0025% gain error in 1000× configurations. | Use Scenario: Amplifying microvolt-level outputs from piezoresistive pressure sensors in IoT node transmitters. IC Role / Device Role / Timing Role: Low-drift, low-noise preamplifier with 2 µV/°C VOS TC and 45 nV/√Hz en in 3V battery-powered design. Use Value: Dual-stage trimming stabilizes offset over temperature; 75 µA per amp extends 10-year battery life in always-on sensing nodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad precision rail-to-rail op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT1367CS#TRPBF | Higher 520 µA supply current, 475 µV VOS (mid-supply only), 400 kHz GBW | Better for higher-speed applications (>100 kHz small-signal), less suitable for µA-battery systems | Select LT1367CS#TRPBF when bandwidth >100 kHz is required and power budget allows >6× higher current per amp. |
| LTC1499CSW#PBF | 10 MHz GBW, 5 V/µs slew rate, 2.2 mA supply current, 475 µV VOS (V+ to V–) | Targeted at high-speed data acquisition; not optimized for ultra-low-power precision DC sensing | Choose LTC1499CSW#PBF for multiplexed 16-bit ADC front-ends requiring fast settling, not for long-life battery operation. |
Compared with LT1367CS#TRPBF and LTC1499CSW#PBF, the LT1467LCS#TRPBF uniquely balances sub-100 µA quiescent current with guaranteed rail-to-rail VOS performance - making it the only option among the three qualified for 10-year battery-powered precision DC measurement where both power and accuracy are non-negotiable.
Availability
LT1467LCS#TRPBF is available at Aetrix Electronics and suitable for supply current sensing, ADC driving, test equipment amplification, and low-power sensor signal conditioning requiring stable component supply across industrial, medical, and portable electronics programs.
Supply support for LT1467LCS#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, Inc. (acquired Linear Technology in 2017) designs high-performance analog, mixed-signal, and power management ICs for precision signal chain applications.
The LT1467LCS#TRPBF belongs to Linear's legacy micropower precision op amp family, engineered specifically for battery-operated instrumentation where rail-to-rail operation, ultra-low IQ, and guaranteed DC accuracy across full supply range are mandatory.
FAQ
What is the maximum guaranteed input offset voltage for LT1467LCS#TRPBF across the full common-mode input range?
The LT1467LCS#TRPBF guarantees a maximum input offset voltage of 390 µV when VCM = V– and again when VCM = V+, with a maximum shift of 345 µV across the entire V– to V+ range. This specification is explicitly verified per the datasheet's Electrical Characteristics table under "∆VOS Input Offset Voltage Shift" and distinguishes LT1467LCS#TRPBF from op amps rated only at mid-supply. The dual-trimmed input architecture ensures this tight tolerance holds regardless of input voltage proximity to either rail.
Does LT1467LCS#TRPBF support single-supply operation, and what is the minimum supply voltage?
Yes, LT1467LCS#TRPBF supports true single-supply operation down to 2V total supply (e.g., V+ = 2V, V– = 0V). Its rail-to-rail input stage accepts common-mode voltages from V– to V+, and its output swings within 32 mV of V– and 26 mV of V+ under no-load conditions. This enables direct interfacing with 2.5V, 3.3V, and 5V logic-compatible systems without level-shifting components - a key requirement confirmed in the Absolute Maximum Ratings and Electrical Characteristics sections of the datasheet.
What is the thermal resistance (θJA) of the LT1467LCS#TRPBF in its S package?
The LT1467LCS#TRPBF in the 16-lead narrow SOIC (S package) has a junction-to-ambient thermal resistance (θJA) of 190°C/W, as documented in the "PACKAGE/ORDER INFORMATION" section of the datasheet. This value assumes standard JEDEC 2-layer board conditions and informs thermal design for continuous operation - especially critical when sourcing/sinking >1 mA per amplifier under elevated ambient temperatures.
Can LT1467LCS#TRPBF drive capacitive loads, and what is its stability behavior?
Yes, LT1467LCS#TRPBF is designed to drive moderate capacitive loads. The datasheet's "Capacitive Load Handling" graph (G17) shows <10% overshoot with 1000 pF load at AV = 1, confirming stable unity-gain operation without external compensation. For loads >2000 pF, a series resistor (e.g., 10–50 Ω) at the output is recommended to maintain phase margin above 45°, as verified in Typical Performance Characteristics Figure G17 and Applications Information section.
Is LT1467LCS#TRPBF pin-compatible with other quad op amps in SO-16 packages?
No, LT1467LCS#TRPBF uses the standard quad op amp pinout defined by Linear Technology (pins 1/5/9/13 = outputs, 2/6/10/14 = –IN, 3/7/11/15 = +IN, pin 4 = V+, pin 12 = V–, pins 8/16 = NC), which differs from industry-standard SO-16 quad layouts like the LM324 or TL084. Substitution requires PCB layout revision. This pin configuration is explicitly shown in the "TOP VIEW" diagram for the S package on page 11 of the datasheet.
LT1467LCS#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 16-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:
- 0.04V/µs
- Gain Bandwidth Product:
- 120 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 3 nA
- Voltage - Input Offset:
- 110 µV
- Current - Supply:
- 60µA (x4 Channels)
- Current - Output / Channel:
- 18 mA
- Voltage - Supply Span (Min):
- 2 V
- Voltage - Supply Span (Max):
- 10 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SO
LT1467LCS#TRPBF FAQ
1.How can I place an order for LT1467LCS#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1467LCS#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 LT1467LCS#TRPBF reliable?
The price and inventory of LT1467LCS#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1467LCS#TRPBF is usually 5 days.
3.What payment methods are accepted for LT1467LCS#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1467LCS#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1467LCS#TRPBF?
LT1467LCS#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1467LCS#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 LT1467LCS#TRPBF?
For technical support, including LT1467LCS#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1467LCS#TRPBF requirements.
6.How does Aetrix verify that LT1467LCS#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT1467LCS#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 LT1467LCS#TRPBF meets industry standards.
7.What is the process for return or replacement of LT1467LCS#TRPBF?
All LT1467LCS#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1467LCS#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 LT1467LCS#TRPBF part is unused and in its original packaging.
Return procedure for LT1467LCS#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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