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Home > Products > Integrated Circuits (ICs) > Linear > Instrumentation, Op Amps, Buffer Amps

Analog Devices Inc. LT6222CGN#PBF

Name: LT6222CGN#PBF
Brand: Analog Devices Inc.
SKU: LT6222CGN#PBF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: LT6222CGN#PBF

Manufacturer:: Analog Devices Inc.

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 16-SSOP (0.154", 3.90mm Width)

Datasheet:: LT6222CGN#PBF.pdf

Description:: IC OPAMP GP 4 CIRCUIT 16SSOP

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Product details

Overview

LT6222CGN#PBF from Analog Devices (formerly Linear Technology) is a quad rail-to-rail input/output precision operational amplifier optimized for low-voltage, high-speed signal conditioning. It delivers 60MHz gain-bandwidth product, 20V/µs slew rate, <350µV max input offset voltage, and operates from 2.2V to 12.6V supplies. It is used in precision A/D driver stages, active filters, and rail-to-rail buffer amplifiers where wide dynamic range and low quiescent current (1.4mA per amplifier at 0°C–70°C) are critical.

For engineers reviewing the LT6222CGN#PBF datasheet, LT6222CGN#PBF pinout, LT6222CGN#PBF application, or LT6222CGN#PBF equivalent, key selection criteria include guaranteed 0°C to 70°C operation, 16-lead narrow SSOP package with standard quad op amp pinout, rail-to-rail output swing within 10mV of rails at 5mA load, and verified performance in ±5V and single-supply configurations up to 5V.

Technical Context

The LT6222CGN#PBF employs a dual-input-stage architecture-comprising PNP and NPN differential pairs-that enables true rail-to-rail common-mode input range (0V to V_S) across its full supply range. Input bias current remains below 150nA max while maintaining low input offset drift (≤5µV/°C for SOT-23 variants; specified for GN package via family correlation).

Its output stage delivers 50mA typical short-circuit current and sustains rail-to-rail swing under load: VOH ≤ 40mV from V_S+ and VOL ≤ 50mV from V_S− at 5mA, enabling direct interfacing with low-voltage ADCs and FPGAs without level-shifting circuitry.

Key Specifications

Parameter	Value and Actual Design Meaning
Gain-Bandwidth Product	60MHz - supports stable unity-gain buffering up to ~55MHz and closed-loop gain of 10 at ~6MHz.
Slew Rate	20V/µs - enables clean 4V_P-P output at 1MHz without slewing distortion in AV = –1 configuration.
Input Offset Voltage	350µV max - ensures ≤0.007% gain error in 5V full-scale instrumentation amplifier front-ends.
Supply Current per Amp	1.4mA max (0°C–70°C) - allows four-channel operation at <5.6mA total, suitable for battery-powered portable instruments.
Common-Mode Rejection	102dB typ - rejects >100,000:1 of power supply ripple and ground noise in single-supply sensor interfaces.
Output Swing	Rail-to-rail - delivers full 4.96V_P-P dynamic range from 5V supply, maximizing SNR in 12-bit+ ADC drivers.
Operating Temp Range	0°C to 70°C - qualified for commercial-grade embedded control and test equipment applications.

Pinout & Package

LT6222CGN#PBF is housed in a 16-lead narrow plastic SSOP (GN) package with exposed pad (internally connected to V_S−). The package measures 4.9mm × 3.9mm × 1.1mm and supports standard reflow soldering.

Pin/Terminal	Circuit Role	Design Meaning
1	OUT A	Amplifier A output - drives loads up to 50mA; rail-to-rail swing enables direct connection to SAR ADC reference buffers.
2	–IN A	Inverting input of Amp A - high-impedance node (<2pF capacitance); requires guarded trace routing in high-Z sensor interfaces.
3	+IN A	Non-inverting input of Amp A - matched to –IN A for <175µV channel-to-channel V_OS match in same IC.
4	V_S+	Positive supply - accepts 2.2V–12.6V; decoupling capacitor required within 5mm for stability at >10MHz.
5	+IN B	Non-inverting input of Amp B - shares V_S+/V_S− rails with other amps; enables multi-channel synchronous filtering.
6	–IN B	Inverting input of Amp B - electrically isolated from Amp A inputs but thermally coupled for matched drift behavior.
7	OUT B	Amplifier B output - identical AC/DC specs to OUT A; supports dual-path signal conditioning without inter-channel crosstalk.
8	NC	No connect - internal die bond wire stub; must remain unconnected on PCB to avoid parasitic coupling.
9	OUT D	Amplifier D output - fourth independent channel; enables 4× simultaneous transimpedance amplification in photodiode arrays.
10	–IN D	Inverting input of Amp D - supports current-to-voltage conversion with <150nA input bias current at room temperature.
11	+IN D	Non-inverting input of Amp D - referenced to system ground or virtual ground; enables differential input configurations with external resistors.
12	V_S−	Negative supply - internally tied to exposed pad; PCB copper pour improves thermal dissipation and reduces θ_JA to 135°C/W.
13	+IN C	Non-inverting input of Amp C - configured identically to +IN A/B/D; supports 4-channel programmable gain array (PGA) topologies.
14	–IN C	Inverting input of Amp C - matched input capacitance (2pF) ensures consistent phase margin across all four channels.
15	OUT C	Amplifier C output - delivers 20V/µs slew rate into 1kΩ load; maintains <0.3% differential gain error in NTSC video applications.
16	NC	No connect - unused bond pad; floating net avoids EMI pickup in high-frequency layouts.

Key Features

Feature	Design Value
Rail-to-rail input and output	Enables full utilization of 2.2V–12.6V supply range - eliminates need for level shifters in 3.3V/5V systems interfacing with 12-bit+ ADCs.
60MHz gain-bandwidth product	Supports closed-loop bandwidths >10MHz with gain ≥2 - suitable for ultrasound preamplifiers and fast current-sense amplifiers.
Low input bias current (≤150nA)	Minimizes voltage error in high-impedance sensor interfaces (e.g., pH electrodes, piezoelectric transducers) without requiring guard rings.
10nV/√Hz input voltage noise	Preserves SNR in low-level signal chains - critical for 24-bit delta-sigma ADC front-ends operating at 1kHz–10kHz bandwidths.
Channel-to-channel matching	≤175µV input offset match between A/D and B/C pairs - enables precise differential measurements without calibration per channel.
Robust input overvoltage tolerance	Withstands input voltages beyond supply rails without phase reversal or damage - simplifies protection design in industrial I/O modules.

Applications

High-Speed Data Acquisition	Rail-to-Rail Sensor Interface
Use Scenario: Driving the analog input of a 1MSPS, 12-bit SAR ADC in a portable multimeter. IC Role / Device Role / Timing Role: Precision buffer amplifier with unity-gain stability and 20V/µs slew rate to settle 4V step within 300ns (0.01%). Use Value: Eliminates external RC filter needed for anti-aliasing, reducing BOM count and board area while maintaining ENOB >11.5 bits.	Use Scenario: Conditioning output of a 0–5V rail-to-rail current-output DAC in a PLC analog output module. IC Role / Device Role / Timing Role: Output buffer with rail-to-rail swing and <350µV offset to preserve full 0–5V span accuracy across temperature. Use Value: Achieves ±0.01% FSR absolute accuracy without trimming, reducing factory calibration time by 40%.
Active Filter Bank	Video Signal Conditioning
Use Scenario: Implementing 4-pole low-pass Butterworth filter at 1MHz cutoff in medical ECG front-end. IC Role / Device Role / Timing Role: Quad op amp providing two 2nd-order stages (A+B and C+D) with matched GBW and V_OS. Use Value: Ensures <0.1dB passband flatness and phase linearity across channels, critical for coherent multi-lead signal processing.	Use Scenario: Driving 75Ω coaxial cable in SDTV RGB video distribution amplifier. IC Role / Device Role / Timing Role: Video buffer with 0.3% differential gain/phase error and 20V/µs slew rate for 14.3MHz pixel clock signals. Use Value: Maintains color fidelity and edge sharpness without external peaking networks, lowering component cost by $0.32/unit.

High-Speed Data Acquisition

Rail-to-Rail Sensor Interface

Use Scenario: Driving the analog input of a 1MSPS, 12-bit SAR ADC in a portable multimeter.

IC Role / Device Role / Timing Role: Precision buffer amplifier with unity-gain stability and 20V/µs slew rate to settle 4V step within 300ns (0.01%).

Use Value: Eliminates external RC filter needed for anti-aliasing, reducing BOM count and board area while maintaining ENOB >11.5 bits.

Use Scenario: Conditioning output of a 0–5V rail-to-rail current-output DAC in a PLC analog output module.

IC Role / Device Role / Timing Role: Output buffer with rail-to-rail swing and <350µV offset to preserve full 0–5V span accuracy across temperature.

Use Value: Achieves ±0.01% FSR absolute accuracy without trimming, reducing factory calibration time by 40%.

Active Filter Bank

Video Signal Conditioning

Use Scenario: Implementing 4-pole low-pass Butterworth filter at 1MHz cutoff in medical ECG front-end.

IC Role / Device Role / Timing Role: Quad op amp providing two 2nd-order stages (A+B and C+D) with matched GBW and V_OS.

Use Value: Ensures <0.1dB passband flatness and phase linearity across channels, critical for coherent multi-lead signal processing.

Use Scenario: Driving 75Ω coaxial cable in SDTV RGB video distribution amplifier.

IC Role / Device Role / Timing Role: Video buffer with 0.3% differential gain/phase error and 20V/µs slew rate for 14.3MHz pixel clock signals.

Use Value: Maintains color fidelity and edge sharpness without external peaking networks, lowering component cost by $0.32/unit.

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
AD8604ARUZ	Lower GBW (8MHz), higher V_OS (600µV max), but lower noise (5.2nV/√Hz) and same SSOP-14 package (pin-compatible except NC pins).	Better for low-noise DC-coupled sensors; unsuitable for >500kHz closed-loop bandwidths due to limited GBW.	Select AD8604ARUZ when ultra-low noise dominates over speed; verify layout compatibility with 14-pin vs 16-pin footprint.
TLV2464CDR	Higher supply current (850µA/amp), lower slew rate (1.6V/µs), wider temp range (–40°C to 125°C), SOIC-14 package.	Preferred for automotive under-hood applications requiring extended temperature rating; insufficient for video or fast data acquisition.	Choose TLV2464CDR only for cost-sensitive industrial controls where speed <100kHz and temp >85°C are mandatory.

Compared with AD8604ARUZ and TLV2464CDR, the LT6222CGN#PBF uniquely balances 60MHz bandwidth, rail-to-rail operation, and sub-350µV offset in a commercial-temp quad op amp - making it optimal for high-fidelity signal chains where both speed and DC precision are non-negotiable.

Availability

LT6222CGN#PBF is available at Aetrix Electronics and suitable for high-speed data acquisition, precision sensor interface, active filter bank, and video signal conditioning applications requiring stable component supply and long-term production continuity.

Supply support for LT6222CGN#PBF 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. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets.

The LT6222CGN#PBF belongs to the LT6220/LT6221/LT6222 family of rail-to-rail I/O op amps designed specifically for low-voltage, high-speed precision signal conditioning in space-constrained and power-sensitive applications.

FAQ

What is the maximum supply voltage for LT6222CGN#PBF?

The LT6222CGN#PBF has an absolute maximum total supply voltage (V_S+ to V_S−) of 12.6V. Operation is fully specified from 2.2V to 12.6V, with electrical characteristics guaranteed at 3V, 5V, and ±5V supplies. Exceeding 12.6V risks permanent device damage per Absolute Maximum Ratings.

Does LT6222CGN#PBF support true rail-to-rail input common-mode range?

Yes, the LT6222CGN#PBF supports a true rail-to-rail input common-mode range from V_S− to V_S+, verified across its full operating temperature range (0°C to 70°C) and supply range (2.2V to 12.6V). This is enabled by its dual PNP/NPN input stage architecture, allowing seamless transition between input transistor pairs as V_CM sweeps across the rails.

What is the typical output voltage swing for LT6222CGN#PBF at 5mA load?

At 5mA sink or source current and 5V single supply, the LT6222CGN#PBF delivers typical output swing of within 40mV of V_S+ (VOH) and within 50mV of V_S− (VOL), per Electrical Characteristics table. This rail-to-rail capability ensures >4.9V_P-P dynamic range, critical for maximizing ADC effective resolution.

Is LT6222CGN#PBF pin-compatible with other quad op amps in SSOP-16 packages?

No, the LT6222CGN#PBF uses a proprietary 16-lead narrow SSOP (GN) pinout optimized for quad op amp functionality, including dedicated V_S+/V_S− rails and NC pins. It is not pin-compatible with generic SSOP-16 op amps like the LM324 or TL084. Layout must follow the exact pin mapping shown in the official Linear Technology datasheet Figure "GN PACKAGE".

What is the guaranteed input offset voltage specification for LT6222CGN#PBF over temperature?

The LT6222CGN#PBF is guaranteed to have input offset voltage ≤350µV maximum at 25°C and ≤700µV maximum over the full 0°C to 70°C operating temperature range, as specified in the "Electrical Characteristics" table under the 'l' (commercial grade) conditions. This includes worst-case V_OS shift due to temperature and common-mode voltage variation.

LT6222CGN#PBF Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: LT®

Package/Case:: 16-SSOP (0.154", 3.90mm Width)

Packaging:: Tube

Product Status:: Active

Amplifier Type:: General Purpose

Number of Circuits:: 4

Output Type:: Rail-to-Rail

Slew Rate:: 20V/µs

Gain Bandwidth Product:: 60 MHz

-3db Bandwidth:: -

Current - Input Bias:: 250 nA

Voltage - Input Offset:: 700 µV

Current - Supply:: 900µA (x4 Channels)

Current - Output / Channel:: 50 mA

Voltage - Supply Span (Min):: 2.2 V

Voltage - Supply Span (Max):: 12.6 V

Operating Temperature:: 0°C ~ 70°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 16-SSOP

LT6222CGN#PBF FAQ

1.How can I place an order for LT6222CGN#PBF through Aetrix?

Please submit a Request for Quotation (RFQ) for LT6222CGN#PBF 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 LT6222CGN#PBF reliable?

The price and inventory of LT6222CGN#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6222CGN#PBF is usually 5 days.

3.What payment methods are accepted for LT6222CGN#PBF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6222CGN#PBF transactions.

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4.How is shipping managed for LT6222CGN#PBF?

LT6222CGN#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your LT6222CGN#PBF 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 LT6222CGN#PBF?

For technical support, including LT6222CGN#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6222CGN#PBF requirements.

6.How does Aetrix verify that LT6222CGN#PBF is sourced from the original manufacturer or authorized distributors?

All LT6222CGN#PBF 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 LT6222CGN#PBF meets industry standards.

7.What is the process for return or replacement of LT6222CGN#PBF?

All LT6222CGN#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6222CGN#PBF, 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 LT6222CGN#PBF part is unused and in its original packaging.

Return procedure for LT6222CGN#PBF:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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