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Analog Devices Inc. LTC6229IMS8E#PBF
- Part No.:
- LTC6229IMS8E#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
LTC6229IMS8E#PBF.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:197
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Product details
Overview
LTC6229IMS8E#PBF from Analog Devices is a dual, rail-to-rail output, unity-gain stable operational amplifier optimized for high-speed, low-noise signal conditioning. It delivers 730MHz –3dB bandwidth (AV = +1), 890MHz gain-bandwidth product, 500V/µs slew rate, and ultra-low 0.88nV/√Hz input voltage noise - enabling precision driving of high-resolution SAR ADCs like the LTC2387-18 in 15Msps data acquisition systems.
For engineers reviewing the LTC6229IMS8E#PBF datasheet, LTC6229IMS8E#PBF pinout, LTC6229IMS8E#PBF application, or LTC6229IMS8E#PBF equivalent, this page provides verified package mapping (8-lead MSOP), confirmed shutdown functionality, bias-current cancellation control, rail-to-rail I/O, and real-world performance metrics including HD2/HD3 < –100dBc at 2MHz with 4VP-P swing - critical for dynamic range–sensitive designs.
Technical Context
The LTC6229IMS8E#PBF implements a proprietary high-speed bipolar complementary input stage with internal bias current cancellation circuitry that can be enabled/disabled via the SHDN pin to optimize noise versus input offset trade-offs. Its unity-gain stability and 5.6V/µV open-loop gain (135dB) support precision closed-loop configurations without external compensation.
It operates across 2.8V to 11.75V total supply range (±1.4V to ±5.875V), supports input common-mode voltage down to V– – 0.1V, and drives ±80mA output current while maintaining rail-to-rail output swing - making it suitable for single-supply wide-swing front-end buffering and differential-to-single-ended conversion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| –3dB Bandwidth (AV = +1) | 730MHz - enables accurate amplification of signals up to ~365MHz fundamental frequency before –3dB attenuation. |
| Gain-Bandwidth Product | 890MHz - defines maximum stable closed-loop bandwidth at given gain (e.g., 445MHz at AV = +2). |
| Slew Rate | 500V/µs - supports full-scale 8V output transitions in ≤16ns, critical for fast-settling ADC drivers. |
| Input Voltage Noise | 0.88nV/√Hz at 1MHz - ensures minimal added noise when amplifying low-level sensor or transimpedance outputs. |
| Supply Current per Channel | 16mA typical - balances speed and power efficiency for dual-channel high-performance analog signal chains. |
| Shutdown Current | 500µA per channel - reduces system standby power by >96% vs active mode, enabling power-gated signal paths. |
| Operating Temperature | –40°C to +85°C - qualified for industrial-grade embedded instrumentation and test equipment environments. |
Pinout & Package
Package: 8-lead MSOP (MSE), exposed pad connected to V–, requires PCB soldering for thermal and electrical integrity (θJA = 35°C/W).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUTA | Inverting output of Channel A; rail-to-rail capable, drives ≥80mA into 1kΩ load. |
| 2 | –INA | Inverting input of Channel A; differential input capacitance = 3.5pF, supports high-Z feedback networks. |
| 3 | +INA | Non-inverting input of Channel A; common-mode range extends to V– – 0.1V. |
| 4 | V– | Negative supply rail; also connects to exposed thermal pad - must be soldered to PCB ground plane. |
| 5 | V+ | Positive supply rail; accepts 2.8V to 11.75V total supply range (e.g., 5V single-supply or ±5V dual-supply). |
| 6 | +INB | Non-inverting input of Channel B; matched to Channel A for dual-channel applications like differential receivers. |
| 7 | –INB | Inverting input of Channel B; input offset match ≤ ±400µV over temperature ensures balanced gain accuracy. |
| 8 | SHDN | Active-high shutdown control; logic threshold at V+ – 1.6V enables direct microcontroller GPIO interfacing. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Drives within 20mV of V– and 60mV of V+ at no load - preserves full dynamic range in single-supply ADC interfaces. |
| Configurable bias current cancellation | SHDN pin double-function: enables/disables internal IB cancellation to reduce input current noise from 6.3pA/√Hz to 3pA/√Hz. |
| Ultra-low harmonic distortion | HD2/HD3 < –100dBc at 2MHz, 4VP-P output - maintains SFDR > 95dB in FFT-based measurement systems. |
| High open-loop gain | 135dB (5.6V/µV) at RL = 1kΩ - ensures < 0.001% gain error in precision gain stages with moderate feedback ratios. |
| Fast settling time | 34ns to 0.1% for 4V step (AV = +1) - meets timing budgets for multi-MSPS sampling with minimal dead time. |
Applications
| High-Speed ADC Driver | Transimpedance Amplifier |
|---|---|
|
Use Scenario: Driving the LTC2387-18 18-bit SAR ADC at 15Msps with 7.3VP-P 1MHz input signal. IC Role / Device Role / Timing Role: Single-ended buffer and level shifter between signal source and ADC input, providing low-noise gain and fast settling. Use Value: Achieves 93.4dB SNR and 95dB SFDR in 8192-point FFT - directly enabled by 0.88nV/√Hz noise and 500V/µs slew rate. |
Use Scenario: Converting photodiode current to voltage in optical time-of-flight (ToF) sensors. IC Role / Device Role / Timing Role: Low-noise, high-bandwidth TIA front-end with programmable gain and shutdown for duty-cycled operation. Use Value: 730MHz bandwidth supports sub-nanosecond pulse response; shutdown reduces idle power to 500µA per channel. |
| Active Filter Stage | Differential-to-Single-Ended Converter |
|
Use Scenario: 2nd-order Sallen-Key low-pass filter in medical ECG front-end with 100kHz cutoff. IC Role / Device Role / Timing Role: Unity-gain stable amplifier implementing filter transfer function with minimal phase shift. Use Value: 890MHz GBW ensures filter Q and fc remain stable across process/voltage/temperature variations. |
Use Scenario: Converting LVDS or RS-422 differential video/data signals to single-ended for FPGA capture. IC Role / Device Role / Timing Role: High-CMRR differential receiver with rail-to-rail output swing for logic-level compatibility. Use Value: 110dB CMRR and 730MHz bandwidth preserve signal integrity for >100Mbps digital video streams. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, low-noise op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4898-2ARMZ | Lower noise (0.9nV/√Hz), lower GBW (270MHz), no shutdown, SOIC-8 only | Preferred for ultra-low-noise audio or precision DC-coupled systems where speed < 300MHz suffices | Select when shutdown and >700MHz bandwidth are not required; avoid for ADC driver use cases demanding >500V/µs slew rate. |
| LMH6629MA/NOPB | Higher noise (1.4nV/√Hz), higher supply current (20mA), no bias cancellation, MSOP-8 | Suitable for cost-sensitive industrial signal conditioning where 100dB SFDR is acceptable | Choose when budget constraints outweigh need for sub–1nV/√Hz noise; verify layout for stability at 1.5GHz GBW. |
Compared with ADA4898-2ARMZ and LMH6629MA/NOPB, the LTC6229IMS8E#PBF uniquely combines 730MHz bandwidth, 0.88nV/√Hz noise, and dual-channel shutdown in an MSOP package - making it the only option among the three qualified for power-gated, high-dynamic-range ADC driver applications requiring simultaneous speed, noise, and integration.
Availability
LTC6229IMS8E#PBF is available at Aetrix Electronics and suitable for high-speed data acquisition, optical sensing, precision active filtering, and differential interface applications requiring stable component supply across industrial temperature ranges.
Supply support for LTC6229IMS8E#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 semiconductors, serving industrial, communications, automotive, and healthcare markets.
The LTC6229 belongs to ADI's LTC® precision high-speed op amp family, designed specifically for applications demanding ultra-low noise, rail-to-rail output, and fast settling - such as high-resolution data converters, optical receivers, and test instrumentation.
FAQ
What is the operating supply voltage range for the LTC6229IMS8E#PBF?
The LTC6229IMS8E#PBF operates across a total supply voltage range of 2.8V to 11.75V - supporting single-supply (e.g., 3V, 5V, 10V) and dual-supply (e.g., ±2.5V, ±5V) configurations. This flexibility allows the LTC6229IMS8E#PBF to interface directly with diverse analog signal chains without level-shifting circuitry.
Does the LTC6229IMS8E#PBF support rail-to-rail input common-mode voltage?
The LTC6229IMS8E#PBF supports input common-mode voltage down to V– – 0.1V but does not extend fully to V+, with upper limit at V+ – 1.2V. Its rail-to-rail capability applies to output swing only. This makes the LTC6229IMS8E#PBF ideal for single-supply applications where the input signal references near ground, such as sensor front-ends.
How is shutdown controlled on the LTC6229IMS8E#PBF?
Shutdown on the LTC6229IMS8E#PBF is controlled via the SHDN pin (Pin 8): applying a logic high ≥ V+ – 1.6V enables the amplifier, while ≤ V+ – 2.65V disables it. The same pin also toggles internal bias current cancellation - a unique dual-function feature not found in most competing op amps.
What is the thermal design requirement for the LTC6229IMS8E#PBF in MSOP package?
The LTC6229IMS8E#PBF in 8-lead MSOP (MSE) has θJA = 35°C/W when the exposed pad is soldered to a minimum 100mm² copper area. Without proper thermal connection to PCB ground, junction temperature may exceed 150°C under full 16mA/channel load - so the LTC6229IMS8E#PBF requires mandatory pad soldering per Analog Devices' layout guidelines.
Can the LTC6229IMS8E#PBF drive 100Ω loads effectively?
Yes - the LTC6229IMS8E#PBF delivers ±80mA minimum output current and maintains < –100dBc harmonic distortion into 100Ω loads at 1MHz. Its output stage is optimized for low-impedance driving, with VOL = 85mV and VOH = 180mV at ISINK/ISOURCE = 5mA, ensuring robust performance in video and high-speed line-driver applications.
LTC6229IMS8E#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Packaging:
- Tube
- Product Status:
- Last Time Buy
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 500V/µs
- Gain Bandwidth Product:
- 890 MHz
- -3db Bandwidth:
- 730 MHz
- Current - Input Bias:
- 16 µA
- Voltage - Input Offset:
- 20 µV
- Current - Supply:
- 16mA
- Current - Output / Channel:
- 140 mA
- Voltage - Supply Span (Min):
- 2.8 V
- Voltage - Supply Span (Max):
- 11.75 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP-EP
LTC6229IMS8E#PBF FAQ
1.How can I place an order for LTC6229IMS8E#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6229IMS8E#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 LTC6229IMS8E#PBF reliable?
The price and inventory of LTC6229IMS8E#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6229IMS8E#PBF is usually 5 days.
3.What payment methods are accepted for LTC6229IMS8E#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6229IMS8E#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6229IMS8E#PBF?
LTC6229IMS8E#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6229IMS8E#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 LTC6229IMS8E#PBF?
For technical support, including LTC6229IMS8E#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6229IMS8E#PBF requirements.
6.How does Aetrix verify that LTC6229IMS8E#PBF is sourced from the original manufacturer or authorized distributors?
All LTC6229IMS8E#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 LTC6229IMS8E#PBF meets industry standards.
7.What is the process for return or replacement of LTC6229IMS8E#PBF?
All LTC6229IMS8E#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6229IMS8E#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 LTC6229IMS8E#PBF part is unused and in its original packaging.
Return procedure for LTC6229IMS8E#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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