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Analog Devices Inc./Maxim Integrated MAX4354EUD
- Part No.:
- MAX4354EUD
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MAX4354EUD.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,244
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Product details
Overview
MAX4354EUD from Maxim Integrated is a quad, high-speed, rail-to-rail output operational amplifier compensated for minimum closed-loop gain of +5V/V. It delivers 80MHz -3dB bandwidth, 240V/µs slew rate, and 8ns rise/fall time while consuming only 620µA per amplifier on a +2.7V to +5.25V single supply. It is designed for baseband signal conditioning in portable communications and keyless entry systems.
For engineers reviewing the MAX4354EUD datasheet, MAX4354EUD pinout, MAX4354EUD application, or MAX4354EUD equivalent, this page provides verified electrical specifications, package-confirmed pin functions, real-world use scenarios in low-voltage RF front ends, and validated alternative op amps with documented gain-bandwidth trade-offs.
Technical Context
The MAX4354EUD employs voltage-feedback architecture with internal compensation optimized for stable operation at AVCL ≥ +5V/V. Its bipolar process enables fast large-signal response (38MHz large-signal bandwidth at 2Vp-p) and low distortion (–74dBc 2nd-harmonic at 1MHz, 3V supply).
It features ground-sensing input (common-mode range extends to VEE – 0.1V), rail-to-rail output swing (within 180mV of rails into 1kΩ), and low 15nV/√Hz input voltage noise - enabling precision DC-coupled amplification and AC-coupled high-frequency buffering without level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +2.7V to +5.25V single supply - supports direct integration into 3V and 5V battery-powered systems without regulation. |
| Small-Signal Bandwidth | 80MHz -3dB - sufficient for IF amplification up to GSM/EDGE baseband frequencies. |
| Slew Rate | 240V/µs - ensures faithful reproduction of fast transient signals such as digital burst envelopes. |
| Rise/Fall Time | 8ns (10%–90%) - enables clean pulse amplification in timing-critical sensor interfaces. |
| Quiescent Current | 620µA per amplifier - four channels draw just 2.48mA total, critical for extended battery life. |
| Input Noise Density | 15nV/√Hz at 10kHz - maintains SNR integrity in low-amplitude signal chains like RF detector outputs. |
| Output Swing | Within 180mV of rails into 1kΩ - maximizes dynamic range in single-supply data acquisition stages. |
Pinout & Package
MAX4354EUD is housed in a 14-pin TSSOP package (4.4mm × 5mm, 0.65mm pitch), optimized for space-constrained portable PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUTD | Amplifier D output - rail-to-rail capable, drives 1kΩ load to within 180mV of VCC or VEE. |
| 2 | IND– | Inverting input of Amplifier D - high-impedance node (30MΩ common-mode input resistance). |
| 3 | IND+ | Noninverting input of Amplifier D - accepts common-mode voltages down to VEE – 0.1V. |
| 4 | VEE | Negative power supply - tied to ground in single-supply operation; sets input/output reference. |
| 5 | VCC | Positive power supply - bypass with 0.1µF capacitor near pin for stable high-frequency operation. |
| 6 | INC+ | Noninverting input of Amplifier C - electrically identical to pins 3, 8, and 12 across all four channels. |
| 7 | INC– | Inverting input of Amplifier C - matched offset voltage (±1mV max matching between channels). |
| 8 | OUTC | Amplifier C output - fully independent channel; crosstalk < –74dB at 1MHz. |
| 9 | INB– | Inverting input of Amplifier B - shares same input bias current spec (0.8–3µA) and tempco as all channels. |
| 10 | INB+ | Noninverting input of Amplifier B - supports DC-coupled configurations with 60–100dB CMRR over 10kHz–1MHz. |
| 11 | OUTB | Amplifier B output - capable of sourcing 17mA / sinking 22mA into resistive loads. |
| 12 | INA+ | Noninverting input of Amplifier A - primary input for first channel; used in unity-gain buffer or gain-of-5 configurations. |
| 13 | INA– | Inverting input of Amplifier A - connects to feedback network; requires RF = RG for gain-of-2 stability. |
| 14 | OUTA | Amplifier A output - designated as Channel 1 output; pin 14 is standard for layout orientation reference. |
Key Features
| Feature | Design Value |
|---|---|
| Gain-stable at AVCL ≥ +5V/V | Eliminates need for external compensation in gain-of-5+ circuits; avoids instability in active filter designs. |
| Rail-to-rail output swing | Delivers full-scale signal headroom in 3V systems - e.g., drives ADC inputs from 0.18V to 2.82V with 1kΩ load. |
| Low 620µA per amplifier | Enables always-on sensor signal conditioning in battery-operated devices with multi-day runtime. |
| 8ns rise/fall time | Preserves edge fidelity in pulse-width modulated (PWM) signal paths and digital envelope detection. |
| –74dBc 2nd-harmonic distortion | Meets spectral purity requirements for ISM-band transmitter I/Q baseband stages at 1MHz. |
Applications
| Cellular Baseband Signal Chain | Keyless Entry RF Receiver Front End |
|---|---|
Use Scenario: Amplifying I/Q demodulated signals prior to ADC sampling in GSM/EDGE handset transceivers. IC Role / Device Role / Timing Role: Quad-channel baseband op amp providing simultaneous gain, filtering, and DC offset correction for dual-path analog front end. Use Value: 80MHz bandwidth supports 270kHz IF bandwidth with margin; rail-to-rail swing maximizes ADC utilization without external level-shifting. | Use Scenario: Buffering and amplifying weak ASK/FSK signals from RF mixer outputs in automotive key fob receivers. IC Role / Device Role / Timing Role: Low-noise, fast-settling amplifier driving comparator or RSSI detector in sub-1GHz receiver chain. Use Value: 15nV/√Hz input noise preserves weak signal SNR; 240V/µs slew rate resolves fast ASK envelope transitions without distortion. |
| Portable Medical Sensor Interface | Battery-Powered Instrumentation Amplifier Stage |
Use Scenario: Conditioning low-amplitude bio-potential signals (ECG, EMG) in handheld diagnostic tools. IC Role / Device Role / Timing Role: First-stage gain block after instrumentation amplifier, providing additional filtering and drive capability for ADC input. Use Value: 620µA per channel enables 4-channel simultaneous acquisition with <3mA total quiescent current - extending AA battery life beyond 100 hours. | Use Scenario: Driving multiplexed sensor inputs (thermocouples, strain gauges) in field-deployable data loggers. IC Role / Device Role / Timing Role: Precision buffer isolating high-impedance sensors from ADC input capacitance and switching transients. Use Value: Input common-mode range to VEE – 0.1V allows direct connection to grounded sensors; 0.4mV typical VOS minimizes offset-induced measurement error. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, low-power op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6612MMX/NOPB | Unity-gain stable (200MHz BW), higher supply current (2.3mA/ch), SO-8 package | Requires redesign for unity-gain use; unsuitable for gain-of-5 fixed-gain stages without external compensation | Select when unity-gain bandwidth >80MHz is required and power budget allows ~3.7× higher current per channel |
| ADA4891-4ARUZ | Unity-gain stable (220MHz BW), 1.2mA/ch, rail-to-rail I/O, TSSOP-14 pin-compatible footprint | Higher power, different gain stability profile - not drop-in; requires layout review for thermal and decoupling changes | Choose for wider bandwidth needs where gain-of-5 constraint does not apply and board space permits thermal derating |
Compared with LMH6612MMX/NOPB and ADA4891-4ARUZ, the MAX4354EUD uniquely balances 80MHz bandwidth, +5V/V minimum gain stability, and ultra-low 620µA/channel current - making it optimal for fixed-gain, battery-sensitive RF and sensor signal chains where unity-gain op amps would waste power or require redesign.
Availability
MAX4354EUD is available at Aetrix Electronics and suitable for cellular telephones, keyless entry systems, and portable medical instruments requiring stable component supply across long production cycles.
Supply support for MAX4354EUD 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
Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and power management ICs for demanding industrial, communications, and consumer applications.
The MAX4354EUD belongs to Maxim's high-speed, low-power op amp family targeting portable RF and sensor signal conditioning - engineered for minimal current draw without sacrificing bandwidth or linearity in +3V/+5V systems.
FAQ
What is the minimum stable closed-loop gain for MAX4354EUD?
The MAX4354EUD is internally compensated for stable operation at a minimum closed-loop gain of +5V/V. It is not unity-gain stable; attempting unity-gain configuration may cause oscillation or degraded phase margin. For unity-gain applications, the MAX4454EUD (200MHz, unity-gain stable) is the functionally matched variant in the same TSSOP-14 package.
Does MAX4354EUD support true rail-to-rail input operation?
No - the MAX4354EUD features rail-to-rail *output* but has a ground-sensing input with common-mode range from (VEE – 0.1V) to (VCC – 1.5V). At VCC = +3V, this allows input voltages from –0.1V to +1.5V. It does not accept signals near VCC, unlike true rail-to-rail input op amps.
What is the maximum capacitive load the MAX4354EUD can drive directly?
The MAX4354EUD is not optimized for highly reactive loads. Driving >22pF capacitively without isolation risks instability. For loads >22pF, an external series isolation resistor (RISO) is required - e.g., 18Ω for 50pF, per Figure 2 in the datasheet. Direct connection to ADC input capacitance (typically 5–15pF) is safe.
How does MAX4354EUD perform in terms of harmonic distortion at 1MHz?
At VCC = +3V, VOUT = 1Vp-p, f = 1MHz, the MAX4354EUD achieves –70dBc 2nd-harmonic distortion and –72dBc 3rd-harmonic distortion. These values confirm suitability for baseband signal paths in ISM-band receivers where spectral purity affects adjacent-channel rejection.
Is the MAX4354EUD pin-compatible with other quad op amps in TSSOP-14?
No - while the MAX4354EUD uses a standard TSSOP-14 footprint, its pinout (e.g., VEE on pin 4, VCC on pin 5, OUTA on pin 14) differs from industry-standard quad op amps like the LM324 or TLV2464. Direct replacement requires schematic and layout revision due to non-standard power and channel mapping.
MAX4354EUD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 240V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 80 MHz
- Current - Input Bias:
- 800 nA
- Voltage - Input Offset:
- 400 µV
- Current - Supply:
- 620µA (x4 Channels)
- Current - Output / Channel:
- 22 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.25 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-TSSOP
MAX4354EUD FAQ
1.How can I place an order for MAX4354EUD through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4354EUD 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 MAX4354EUD reliable?
The price and inventory of MAX4354EUD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4354EUD is usually 5 days.
3.What payment methods are accepted for MAX4354EUD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4354EUD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4354EUD?
MAX4354EUD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4354EUD 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 MAX4354EUD?
For technical support, including MAX4354EUD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4354EUD requirements.
6.How does Aetrix verify that MAX4354EUD is sourced from the original manufacturer or authorized distributors?
All MAX4354EUD 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 MAX4354EUD meets industry standards.
7.What is the process for return or replacement of MAX4354EUD?
All MAX4354EUD units undergo pre-shipment inspection (PSI). If there is an issue with MAX4354EUD, 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 MAX4354EUD part is unused and in its original packaging.
Return procedure for MAX4354EUD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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