My Inquiry
My Account
Analog Devices Inc. ADA4177-1ARMZ-RL
- Part No.:
- ADA4177-1ARMZ-RL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
ADA4177-1ARMZ-RL.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,725
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADA4177-1ARMZ-RL from Analog Devices is a single-channel, precision rail-to-rail output operational amplifier with OVP and EMI protection. It delivers 60 µV max offset voltage at 25°C, 1 µV/°C max drift, 1 nA max input bias current, and 8 nV/√Hz typical voltage noise density at 1 kHz - enabling high-accuracy signal conditioning in thermocouple, RTD, and shunt current measurement circuits.
For engineers reviewing the ADA4177-1ARMZ-RL datasheet, ADA4177-1ARMZ-RL pinout, ADA4177-1ARMZ-RL application, or ADA4177-1ARMZ-RL equivalent, key selection criteria include input overvoltage tolerance (±32 V beyond rails), 70 dB EMI rejection at 1000 MHz, unity-gain stability, and operation across −40°C to +125°C industrial temperature range.
Technical Context
The ADA4177-1ARMZ-RL integrates active input overvoltage protection circuitry that limits current to 10–12 mA when inputs exceed supply rails by up to ±32 V, preventing latch-up and damage without external components. Its input stage features 100 GΩ common-mode input resistance and 4 MΩ differential input resistance, supporting high-impedance sensor interfaces.
EMI rejection is achieved via an integrated on-chip filter delivering 70 dB attenuation at 1000 MHz and 90 dB at 2400 MHz, directly addressing noise coupling in wireless base station and optical network control environments. The amplifier remains stable driving >1000 pF capacitive loads without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Offset Voltage | 60 µV maximum at 25°C - ensures ≤0.0012% gain error in 5 V full-scale precision measurement systems. |
| Offset Drift | 1 µV/°C maximum - contributes ≤12 µV total drift over −40°C to +125°C, critical for uncalibrated industrial sensors. |
| Input Bias Current | 1 nA maximum at 25°C - enables accurate amplification of signals from high-Z sources like RTDs and piezoresistive sensors. |
| Voltage Noise Density | 8 nV/√Hz at 1 kHz - supports low-noise front-end design for sub-mV-level thermocouple outputs. |
| Supply Current | 500 µA typical per amplifier - allows battery-powered instrumentation with multi-year operating life. |
| Overvoltage Protection | ±32 V beyond supply rails - eliminates need for external clamping diodes in harsh industrial I/O modules. |
| EMI Rejection | 70 dB at 1000 MHz - suppresses RF interference from nearby cellular/WiFi transceivers in compact PCB layouts. |
Pinout & Package
ADA4177-1ARMZ-RL is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) with exposed pad, optimized for thermal performance and board space efficiency in industrial signal chains.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 8 | NIC | Not internally connected - unused pins; must be left floating or tied to ground per layout best practices. |
| 2 | −IN | Inverting input - accepts feedback network for closed-loop configurations including difference amplifiers and active filters. |
| 3 | +IN | Noninverting input - connects directly to high-impedance sensor nodes (e.g., thermocouple junctions) with minimal loading. |
| 4 | V− | Negative supply rail - supports dual-supply operation from ±2.5 V to ±18 V; requires local decoupling capacitor. |
| 6 | OUT | Amplifier output - rail-to-rail swing delivers full dynamic range into 2 kΩ loads; stable with ≥1000 pF capacitance. |
| 7 | V+ | Positive supply rail - supplies internal ESD and OVP protection circuitry; must be bypassed near package pin. |
Key Features
| Feature | Design Value |
|---|---|
| Input Overvoltage Protection | Withstands ±32 V excursions beyond supply rails for 500 ms without degradation - eliminates external protection components in field-connected analog inputs. |
| Integrated EMI Filter | 70 dB rejection at 1000 MHz reduces sensitivity to ambient RF noise, improving measurement integrity in telecom infrastructure equipment. |
| Rail-to-Rail Output | Swings within 50 mV of each rail at 1 mA load - maximizes ADC utilization in 16-bit+ data acquisition systems with ±5 V supplies. |
| Unity-Gain Stable | No phase reversal and no external compensation required - simplifies design of gain-of-1 buffers for sensor isolation and level shifting. |
| Industrial Temperature Range | Specified from −40°C to +125°C - qualified for use in motor drives, process controllers, and outdoor base station electronics. |
Applications
| Thermocouple Signal Conditioning | RTD Bridge Amplification |
|---|---|
|
Use Scenario: Amplifying microvolt-level Seebeck voltages from K-type thermocouples in furnace temperature monitoring systems. IC Role / Device Role / Timing Role: Precision DC-coupled instrumentation amplifier front-end with OVP guarding against transient surges on long sensor leads. Use Value: 60 µV max offset and 1 µV/°C drift enable <±0.5°C accuracy over full industrial temperature range without calibration. |
Use Scenario: Exciting and measuring 100 Ω Pt100 RTD elements in HVAC airflow sensors under varying ambient conditions. IC Role / Device Role / Timing Role: Low-bias-current, low-noise buffer for 3-wire RTD bridge outputs, rejecting common-mode noise from shared return paths. Use Value: 1 nA max input bias current prevents self-heating errors in high-resistance RTD legs; 8 nV/√Hz noise preserves resolution in 24-bit ΣΔ ADCs. |
| Shunt-Based Current Sensing | Optical Network Laser Bias Control |
|
Use Scenario: Measuring bidirectional motor phase currents using 1 mΩ shunt resistors in industrial servo drives. IC Role / Device Role / Timing Role: High CMRR (>122 dB) difference amplifier with rail-to-rail output driving isolated ΣΔ modulators. Use Value: Input overvoltage protection tolerates 32 V transients during MOSFET switching events, eliminating external TVS diodes. |
Use Scenario: Regulating laser diode bias current in fiber-optic line cards where EMI from adjacent clock domains threatens stability. IC Role / Device Role / Timing Role: Low-noise, EMI-hardened transimpedance amplifier converting photodiode feedback current to voltage for DAC-controlled bias loops. Use Value: 90 dB EMI rejection at 2400 MHz prevents RF-induced gain modulation, ensuring stable optical power output in dense PCB layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8628ARZ | Zero-drift architecture; 1 µV typ offset, but no integrated OVP or EMI filter; 1.2 mA supply current. | Lacks ±32 V input protection and RF filtering - requires external components for robust industrial deployment. | Prefer AD8628ARZ only when ultra-low drift (<0.005 µV/°C) dominates over ruggedness and EMI immunity. |
| OPA2189IDR | Zero-drift, 0.005 µV/°C drift, 5.6 V/µs slew rate, but no OVP; 1.3 mA supply current; 14-lead SOIC only. | Higher bandwidth and lower drift, but vulnerable to field-induced overvoltage without discrete protection. | Select OPA2189IDR for lab-grade metrology where environmental stress is controlled and PCB area permits external protection. |
Compared with AD8628ARZ and OPA2189IDR, ADA4177-1ARMZ-RL trades marginal drift improvement for integrated system-level robustness - reducing BOM count, layout complexity, and validation effort in harsh-signal industrial applications.
Availability
ADA4177-1ARMZ-RL is available at Aetrix Electronics and suitable for thermocouple measurement, RTD signal conditioning, shunt current sensing, and optical network control circuits requiring stable component supply across extended temperature and EMI-prone environments.
Supply support for ADA4177-1ARMZ-RL 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. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The ADA4177 family was designed specifically for precision industrial signal conditioning where input ruggedness, EMI immunity, and long-term dc accuracy coexist - targeting sensor front-ends in process control, test equipment, and communications infrastructure.
FAQ
What is the maximum supply voltage range supported by the ADA4177-1ARMZ-RL?
The ADA4177-1ARMZ-RL operates over a dual-supply range of ±2.5 V to ±18 V, with absolute maximum supply voltage rated at 36 V. It is fully specified at ±5 V and ±15 V, making it suitable for both low-voltage portable instrumentation and high-voltage industrial control systems. Operation outside the ±2.5 V to ±18 V range may compromise parametric performance or reliability.
Does the ADA4177-1ARMZ-RL require external compensation for stability?
No, the ADA4177-1ARMZ-RL is unity-gain stable and does not require external compensation. It maintains phase margin >45° and exhibits no phase reversal, even when driving capacitive loads exceeding 1000 pF. This simplifies design of gain-of-1 buffers and low-pass filters without added resistors or capacitors.
How does the input overvoltage protection in the ADA4177-1ARMZ-RL function?
The ADA4177-1ARMZ-RL incorporates active input protection that limits current to 10–12 mA when inputs exceed supply rails by up to ±32 V for durations up to 500 ms. This internal circuitry prevents latch-up and permanent damage, eliminating the need for external series resistors or clamping diodes in field-connected analog inputs.
What is the typical EMI rejection performance of the ADA4177-1ARMZ-RL at cellular frequencies?
The ADA4177-1ARMZ-RL provides 70 dB typical EMI rejection at 1000 MHz and 90 dB at 2400 MHz due to its integrated on-chip filter. This performance directly mitigates interference from GSM, LTE, and WiFi transceivers located on the same PCB, preserving signal integrity in wireless infrastructure and IoT edge devices.
Can the ADA4177-1ARMZ-RL drive heavy capacitive loads without oscillation?
Yes, the ADA4177-1ARMZ-RL is designed to remain stable with capacitive loads greater than 1000 pF without external compensation. This capability enables direct connection to ADC input capacitors, long cables, or LCD bias networks while maintaining monotonic step response and avoiding peaking or ringing in time-critical measurements.
ADA4177-1ARMZ-RL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 1.5V/µs
- Gain Bandwidth Product:
- 3.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 300 pA
- Voltage - Input Offset:
- 3 µV
- Current - Supply:
- 500µA
- Current - Output / Channel:
- 25 mA
- Voltage - Supply Span (Min):
- 5 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
ADA4177-1ARMZ-RL FAQ
1.How can I place an order for ADA4177-1ARMZ-RL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADA4177-1ARMZ-RL 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 ADA4177-1ARMZ-RL reliable?
The price and inventory of ADA4177-1ARMZ-RL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADA4177-1ARMZ-RL is usually 5 days.
3.What payment methods are accepted for ADA4177-1ARMZ-RL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADA4177-1ARMZ-RL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADA4177-1ARMZ-RL?
ADA4177-1ARMZ-RL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADA4177-1ARMZ-RL 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 ADA4177-1ARMZ-RL?
For technical support, including ADA4177-1ARMZ-RL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADA4177-1ARMZ-RL requirements.
6.How does Aetrix verify that ADA4177-1ARMZ-RL is sourced from the original manufacturer or authorized distributors?
All ADA4177-1ARMZ-RL 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 ADA4177-1ARMZ-RL meets industry standards.
7.What is the process for return or replacement of ADA4177-1ARMZ-RL?
All ADA4177-1ARMZ-RL units undergo pre-shipment inspection (PSI). If there is an issue with ADA4177-1ARMZ-RL, 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 ADA4177-1ARMZ-RL part is unused and in its original packaging.
Return procedure for ADA4177-1ARMZ-RL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADA4177-1ARMZ-RL Tags
-
LM358DT
STMicroelectronics
-
LM358DR
Texas Instruments
-
LM2904DR
Texas Instruments
-
LM358ADR
Texas Instruments
-
LM2904DGKR
Texas Instruments
-
LM324DR
Texas Instruments
-
MCP6006T-E/OT
Microchip Technology
-
MCP6006UT-E/OT
Microchip Technology
-
LM324PWR
Texas Instruments
-
LM2902PWR
Texas Instruments
-
LM2902DR
Texas Instruments
-
LM358P
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
