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Analog Devices Inc. LTC6088HGN#TRPBF
- Part No.:
- LTC6088HGN#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
LTC6088HGN#TRPBF.pdf
- Description:
- IC CMOS 4 CIRCUIT 16SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,244
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Product details
Overview
LTC6088HGN#TRPBF from Analog Devices is a quad, rail-to-rail input/output, unity-gain stable CMOS operational amplifier optimized for high-impedance sensor signal conditioning. It delivers 14MHz gain bandwidth, 7.2V/µs slew rate, 12nV/√Hz input noise density at 1kHz, 750µV max offset voltage (–40°C to 125°C), and 1pA typical input bias current at 25°C - enabling precision amplification in portable medical devices, data acquisition systems, and shock/vibration sensors.
For engineers reviewing the LTC6088HGN#TRPBF datasheet, LTC6088HGN#TRPBF pinout, LTC6088HGN#TRPBF application, or LTC6088HGN#TRPBF equivalent, key selection criteria include guaranteed 125°C operation, 16-pin SSOP package with exposed V– pad, shutdown capability per amplifier, and low-noise performance under 2.7V–5.5V single-supply operation.
Technical Context
The LTC6088HGN#TRPBF integrates dual PMOS/NMOS input stages to achieve rail-to-rail common-mode input range (V– to V+), with seamless transition between transistor pairs near 1.3V below V+. Its class AB output stage delivers rail-to-rail swing within 30mV of supply rails under no-load conditions and sustains ±45mA short-circuit current.
Each amplifier features independent active-low shutdown pins (SHDNA/SHDNB only in DFN variants; not present in GN package), but the LTC6088HGN#TRPBF uses the 16-lead SSOP (GN) package which omits dedicated SHDN pins - shutdown functionality is unavailable in this variant. Channel separation exceeds –120dB at 10kHz, supporting multi-channel isolation in dense layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 14MHz - supports stable closed-loop operation up to 1MHz at gain ≥14, suitable for anti-aliasing filters and fast-settling data acquisition front-ends. |
| Input Bias Current | 1pA (typ @ 25°C) - enables use with >10GΩ source impedances (e.g., pH probes, piezoelectric sensors) without significant DC error. |
| Offset Voltage | ±750µV max (–40°C to 125°C) - ensures <0.5% gain error in 1V full-scale instrumentation amplifiers without trimming. |
| Supply Voltage Range | 2.7V to 5.5V - compatible with Li-ion battery (3.0–4.2V) and USB-powered systems without LDO regulation. |
| Input Noise Density | 12nV/√Hz @ 1kHz - dominates total noise in applications with source impedances ≤10kΩ, matching thermal noise of a 10kΩ resistor. |
| CMRR / PSRR | 70dB / 93dB min - rejects power supply ripple and common-mode interference in noisy industrial environments. |
| Output Swing | Within 30mV of V+ and V– - maximizes dynamic range in low-voltage systems (e.g., 3.3V ADC interfaces). |
Pinout & Package
The LTC6088HGN#TRPBF is housed in a 16-lead plastic SSOP (narrow, 0.150-inch width) package with exposed thermal pad connected to V–. Pin 1 is marked by a bevel edge or dimple; the exposed pad must be soldered to PCB for thermal and electrical integrity.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUTA | Amplifier A output - drives loads up to ±45mA; rail-to-rail swing enables direct interface to SAR ADC references. |
| 2 | –INA | Inverting input - high-impedance node requiring guard ring layout to preserve 1pA bias current spec. |
| 3 | +INA | Noninverting input - accepts common-mode voltages from V– to V+, critical for single-supply transducer biasing. |
| 4 | V+ | Positive supply - decoupling capacitor required within 1cm to maintain PSRR >93dB at 100kHz. |
| 5 | +INB | Noninverting input of Amplifier B - electrically isolated from other channels; channel separation >–120dB prevents crosstalk. |
| 6 | –INB | Inverting input of Amplifier B - identical bias current and noise specs as Pin 2; shared V– reference. |
| 7 | OUTB | Amplifier B output - independent output stage; no internal connection to OUTA or other outputs. |
| 8 | NC | No connect - floating pin; must not be tied to any net to avoid parasitic coupling. |
| 9 | OUTD | Amplifier D output - fourth independent channel; identical AC/DC specs to OUTA/OUTB/OUTC. |
| 10 | –IND | Inverting input of Amplifier D - matches –INA/–INB/–INC performance; layout symmetry recommended. |
| 11 | +IND | Noninverting input of Amplifier D - full rail-to-rail common-mode range supports direct sensor grounding. |
| 12 | V– | Negative supply - connected internally to exposed pad; requires low-impedance PCB plane for thermal dissipation. |
| 13 | +INC | Noninverting input of Amplifier C - enables simultaneous 4-channel synchronous sampling in DAQ systems. |
| 14 | –INC | Inverting input of Amplifier C - matched to other inputs; differential pair design ensures consistent offset drift. |
| 15 | OUTC | Amplifier C output - fourth channel output; supports multi-sensor fusion architectures without external multiplexing. |
| 16 | NC | No connect - unused pin; leave unconnected per manufacturer recommendation. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full supply utilization in 3.3V systems - e.g., 0–3.3V output swing into 10kΩ load preserves 99% dynamic range for 12-bit ADCs. |
| 1pA input bias current (25°C) | Permits direct connection to high-Z sources like Murata PKGS-00MX1 shock sensors (0.57pC/g) without signal attenuation or drift. |
| 14MHz GBW with unity-gain stability | Supports 10-bit settling in <1µs at AV = 1 - critical for time-of-flight sensor readout and fast multiplexed DAQ. |
| –40°C to 125°C operating range (H-grade) | Qualified for under-hood automotive and industrial control applications where ambient temperature exceeds 105°C. |
| 12nV/√Hz input noise density | Ensures <1µV RMS integrated noise in 10kHz bandwidth - sufficient for ECG front-end amplification with 50µVpp signals. |
Applications
| Portable Test Equipment | Medical Instrumentation |
|---|---|
Use Scenario: Handheld multimeter front-end amplifying µA-level leakage currents across 10MΩ test leads. IC Role / Device Role / Timing Role: Precision transimpedance amplifier converting current to voltage with minimal input loading. Use Value: 1pA bias current prevents >100mV error on 10MΩ shunt; rail-to-rail output drives 3.3V SAR ADC directly. | Use Scenario: EEG electrode amplifier conditioning microvolt-level neural signals in battery-powered headsets. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier with high CMRR rejecting 50/60Hz mains interference. Use Value: 70dB CMRR suppresses ambient EMI; 12nV/√Hz noise maintains SNR >70dB in 1–100Hz band. |
| High-Impedance Transducer Interface | Shock/Vibration Sensor Signal Chain |
Use Scenario: Strain gauge Wheatstone bridge output amplification in structural health monitoring nodes. IC Role / Device Role / Timing Role: Low-drift differential amplifier rejecting common-mode bridge excitation noise. Use Value: ±5µV/°C max offset drift prevents thermal zero-shift errors in outdoor deployments. | Use Scenario: Murata PKGS-00MX1 piezoelectric shock sensor (0.57pC/g) interfaced to 16-bit sigma-delta ADC. IC Role / Device Role / Timing Role: Charge amplifier with 570mV/g sensitivity and 16Hz–10kHz flat response. Use Value: 1pA bias current avoids charge leakage; 14MHz GBW preserves transient fidelity of impact events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC6078HGN#TRPBF | Lower supply current (600µA/amp vs 1.05mA), lower GBW (1.5MHz), higher offset (25µV max), same 125°C rating and SSOP-16 package. | Better suited for always-on battery sensors; insufficient GBW for >100kHz signal chains. | Select when ultra-low power dominates over speed/noise - e.g., wireless IoT node sleep-mode amplification. |
| LTC6242HGN#TRPBF | Higher GBW (18MHz), lower noise (7nV/√Hz), 0.2pA bias current, same 125°C rating and SSOP-16 package. | Superior for low-noise, high-speed DAQ; higher cost and tighter layout requirements for guarding. | Select when sub-10nV/√Hz noise and >15MHz bandwidth are mandatory - e.g., precision spectroscopy front-ends. |
Compared with LTC6078HGN#TRPBF and LTC6242HGN#TRPBF, the LTC6088HGN#TRPBF offers balanced trade-offs: 14MHz GBW and 12nV/√Hz noise meet mid-tier precision requirements while maintaining 1pA bias current compatibility with ultra-high-impedance sensors - making it optimal for portable medical and industrial condition-monitoring systems.
Availability
LTC6088HGN#TRPBF is available at Aetrix Electronics and suitable for portable test equipment, medical instrumentation, high-impedance transducer interfaces, and shock/vibration sensor signal chains requiring stable component supply across extended temperature ranges.
Supply support for LTC6088HGN#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) designs high-performance analog, mixed-signal, and digital signal processing ICs for precision measurement and signal conditioning.
The LTC6088 belongs to Linear's precision rail-to-rail op amp product line, engineered specifically for low-noise, low-offset, high-input-impedance applications in harsh thermal environments - including medical diagnostics, industrial automation, and aerospace sensing.
FAQ
What is the maximum operating temperature specification for the LTC6088HGN#TRPBF?
The LTC6088HGN#TRPBF is rated for continuous operation from –40°C to 125°C, with all electrical specifications guaranteed across this full industrial-plus temperature range. This H-grade qualification makes it suitable for under-hood automotive, downhole oil/gas, and industrial control applications where ambient temperatures exceed 105°C.
Does the LTC6088HGN#TRPBF support shutdown functionality?
No, the LTC6088HGN#TRPBF does not support shutdown. Shutdown pins (SHDNA/SHDNB) are only available in the DFN-16 (DHC) package variant of the LTC6088. The LTC6088HGN#TRPBF uses the 16-lead SSOP (GN) package, which omits these pins - all four amplifiers remain active whenever powered.
What is the input common-mode voltage range of the LTC6088HGN#TRPBF?
The LTC6088HGN#TRPBF features true rail-to-rail input operation, with an input common-mode voltage range extending from V– to V+. This allows direct interface to sensors referenced to either supply rail - for example, single-ended piezoelectric sensors grounded to V– or biased to V+ in 3.3V systems.
How does the LTC6088HGN#TRPBF achieve 1pA input bias current?
The LTC6088HGN#TRPBF achieves 1pA typical input bias current through CMOS input-stage design with guarded layout and optimized gate oxide processes. Performance depends critically on PCB cleanliness: flux residue or contamination on high-impedance traces can introduce leakage paths exceeding the op amp's intrinsic bias current - hence guard rings and clean assembly are mandatory.
Is the LTC6088HGN#TRPBF pin-compatible with other LTC6088 variants?
Yes, the LTC6088HGN#TRPBF shares identical pinout and function with all LTC6088 variants in the 16-lead SSOP (GN) package, including the commercial-grade LTC6088CGN#TRPBF. Differences are limited to temperature grading and screening - no PCB redesign is needed when upgrading from C-grade to H-grade in the same package.
LTC6088HGN#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 7.2V/µs
- Gain Bandwidth Product:
- 14 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 330 µV
- Current - Supply:
- 1.05mA (x4 Channels)
- Current - Output / Channel:
- 45 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SSOP
LTC6088HGN#TRPBF FAQ
1.How can I place an order for LTC6088HGN#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6088HGN#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 LTC6088HGN#TRPBF reliable?
The price and inventory of LTC6088HGN#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6088HGN#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC6088HGN#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6088HGN#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6088HGN#TRPBF?
LTC6088HGN#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6088HGN#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 LTC6088HGN#TRPBF?
For technical support, including LTC6088HGN#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6088HGN#TRPBF requirements.
6.How does Aetrix verify that LTC6088HGN#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC6088HGN#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 LTC6088HGN#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC6088HGN#TRPBF?
All LTC6088HGN#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6088HGN#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 LTC6088HGN#TRPBF part is unused and in its original packaging.
Return procedure for LTC6088HGN#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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