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Analog Devices Inc./Maxim Integrated MAX4233ABC+G45
- Part No.:
- MAX4233ABC+G45
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 10-WFBGA, CSPBGA
- Datasheet:
-
MAX4233ABC+G45.pdf
- Description:
- IC CMOS 2 CIRCUIT 12UCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,712
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Product details
Overview
MAX4233ABC+G45 from Maxim Integrated is a dual, rail-to-rail input/output CMOS operational amplifier with independent shutdown control per channel, 10MHz gain-bandwidth product, 10V/µs slew rate, and 200mA peak output drive capability. It operates from a single 2.7V to 5.5V supply, features ±6mV input offset voltage, and is packaged in a 10-bump UCSP (1.5mm × 1.5mm) for space-constrained RF PA biasing and portable audio applications.
For engineers reviewing the MAX4233ABC+G45 datasheet, MAX4233ABC+G45 pinout, MAX4233ABC+G45 application, or MAX4233ABC+G45 equivalent, key selection criteria include dual-channel independent shutdown timing (1µs enable/shutdown), output swing within 500mV of rails at 32Ω load, capacitive-load stability up to 780pF, and automotive-grade operation from –40°C to +125°C.
Technical Context
The MAX4233ABC+G45 integrates two parallel n- and p-channel differential input stages enabling true rail-to-rail common-mode input range (VSS to VDD), with active switching between input pairs based on input voltage level. Its output stage delivers rail-to-rail swing while sourcing/sinking up to 200mA peak current under 5V supply.
Each amplifier includes a dedicated SHDN pin that actively drives the output to VSS (<120mV at 200Ω load) when asserted low, reducing quiescent current to <1µA per channel. The device maintains unity-gain stability with capacitive loads ≤780pF and exhibits 70° phase margin at 10MHz GBWP.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 10MHz - supports stable closed-loop gain ≥10 at 1MHz signal bandwidth |
| Slew Rate | 10V/µs - enables clean 2VP-P output at ≥1MHz without slewing distortion |
| Output Drive | 200mA peak - directly drives 32Ω headset loads or RF PA bias networks without external buffers |
| Supply Voltage Range | 2.7V to 5.5V - compatible with Li-ion, USB, and regulated 3.3V/5V system rails |
| Input Offset Voltage | ±6mV max - ensures ≤0.2% DC error in precision biasing and DAC buffering |
| Shutdown Current | <1µA per channel - enables ultra-low-power sleep mode in battery-powered devices |
| Capacitive Load Stability | 780pF - eliminates need for isolation resistors when driving ADC inputs or long traces |
Pinout & Package
MAX4233ABC+G45 is housed in a 10-bump UCSP package (1.5mm × 1.5mm × 0.5mm, 0.5mm pitch), optimized for minimal PCB footprint in portable RF and audio modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (C1) | OUT1 | Amplifier 1 output - rail-to-rail capable, sinks/sources 200mA peak, driven low in SHDN1 |
| 2 (C2) | IN1− | Inverting input of Amp1 - part of parallel CMOS input pair enabling VSS-to-VDD common-mode range |
| 3 (C3) | IN1+ | Noninverting input of Amp1 - same rail-to-rail input structure as IN1− |
| 4 (B1) | VDD | Positive supply - accepts 2.7V–5.5V single supply; requires 0.1µF ceramic bypass to VSS |
| 5 (A1) | OUT2 | Amplifier 2 output - independently controlled, identical drive and shutdown behavior as OUT1 |
| 6 (A2) | IN2− | Inverting input of Amp2 - electrically isolated from Amp1; supports dual-channel signal paths |
| 7 (A3) | IN2+ | Noninverting input of Amp2 - matched offset and bias performance vs. Amp1 inputs |
| 8 (B4) | VSS | Negative supply / ground - reference for single-supply operation; exposed pad tied to VSS |
| 9 (C4) | SHDN2 | Shutdown control for Amp2 - logic-low disables Amp2 and forces OUT2 to VSS |
| 10 (A4) | SHDN1 | Shutdown control for Amp1 - independent of SHDN2; enables per-channel power gating |
Key Features
| Feature | Design Value |
|---|---|
| Independent per-channel shutdown | SHDN1/SHDN2 pins allow selective disabling of each op amp with 1µs enable/disable timing and <1µA standby current |
| Rail-to-rail I/O with 200mA drive | Delivers full-swing output into 32Ω loads while maintaining linearity - eliminates need for external driver stages |
| 780pF capacitive-load stability | Operates stably without series isolation resistors when driving ADCs, filters, or PCB traces with >100pF capacitance |
| Automotive temperature range | Guaranteed operation from –40°C to +125°C - qualified for infotainment, telematics, and ADAS subsystems |
| Low input offset drift | ±3µV/°C tempco ensures stable DC bias over temperature - critical for RF PA quiescent current control |
| No phase reversal on overdrive | Prevents latch-up or uncontrolled output transitions during input overload - enhances system robustness |
Applications
| RF Power Amplifier Bias Control | Portable Headphone Driver |
|---|---|
Use Scenario: Biasing Class-AB RF PAs in wireless handsets to maintain optimal linearity and efficiency across varying signal envelopes. IC Role / Device Role / Timing Role: Dual op amp provides independent, precision DC bias voltages to gate/base terminals of two PAs; SHDN1/SHDN2 enable fast PA disable during transmit gaps. Use Value: Enables 200mA sink/source per channel to set precise quiescent current without external transistors; rail-to-rail swing ensures full dynamic range at low supply voltages. |
Use Scenario: Driving stereo 32Ω headphones from a single 3.3V or 5V supply in smartphones, tablets, and portable media players. IC Role / Device Role / Timing Role: Dual op amp configured as noninverting amplifiers with AC-coupled outputs; each channel delivers 60mW/channel at 1% THD+N. Use Value: 10MHz GBWP and 10V/µs slew rate preserve audio fidelity up to 20kHz; UCSP package minimizes board area in thin form factors. |
| Audio Hands-Free Car Kit | DAC Output Buffering |
Use Scenario: Amplifying microphone and speaker signals in automotive hands-free kits requiring wideband response and low noise. IC Role / Device Role / Timing Role: One amplifier buffers mic preamp output; the other drives speaker load - both operate from vehicle's 5V rail with shutdown during idle. Use Value: 12nV/√Hz input voltage noise and 85dB PSRR suppress engine noise coupling; shutdown reduces system standby power by >99.9%. |
Use Scenario: Buffering high-resolution DAC outputs (e.g., audio or sensor data converters) before transmission to analog front-ends or actuators. IC Role / Device Role / Timing Role: Unity-gain follower isolating DAC from variable load impedance; maintains monotonicity and settling time under 5µs. Use Value: 70dB open-loop gain at 100kΩ load ensures <0.01% gain error; 780pF capacitive-load tolerance accommodates long PCB traces to downstream circuits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual op amp with shutdown applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4233AUB+T | Same die, 10-pin µMAX package (3mm × 3mm) - larger footprint, higher thermal resistance (4.5mW/°C derating) | Better suited for prototyping or manual assembly due to larger pitch (0.65mm vs UCSP's 0.5mm); less ideal for ultra-dense RF modules | Select MAX4233AUB+T if board layout allows larger package and thermal management is prioritized over size |
| OPA2350UA/2K5 | TI dual RRIO op amp; 38MHz GBWP, 22V/µs slew, but no shutdown function and only 60mA output drive | Lacks per-channel shutdown and insufficient drive for direct 32Ω headphone or RF PA bias - requires external FETs or boost stages | Choose OPA2350UA only when higher speed is required and shutdown is implemented externally |
Compared with MAX4233AUB+T and OPA2350UA, MAX4233ABC+G45 uniquely combines ultra-small UCSP packaging, independent dual shutdown, and 200mA drive - enabling single-chip RF PA bias and stereo audio drive without auxiliary components.
Availability
MAX4233ABC+G45 is available at Aetrix Electronics and suitable for RF power amplifier biasing, portable headphone driver designs, and automotive hands-free audio systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX4233ABC+G45 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, automotive, and communications applications.
The MAX4230–MAX4234 family was engineered specifically for high-output-drive, rail-to-rail operation in space- and power-constrained RF and portable audio systems - emphasizing shutdown control, capacitive-load stability, and automotive qualification.
FAQ
What is the operating temperature range for MAX4233ABC+G45?
The MAX4233ABC+G45 is specified for continuous operation from –40°C to +125°C, meeting AEC-Q100 stress test requirements for automotive applications. This range is validated across all electrical parameters including input offset voltage, supply current, and output drive capability - ensuring reliability in under-hood and infotainment environments where MAX4233ABC+G45 is commonly deployed.
Does MAX4233ABC+G45 support true rail-to-rail input and output?
Yes, MAX4233ABC+G45 features a parallel n- and p-channel input stage enabling common-mode input voltage range from VSS to VDD, and an output stage that swings within 500mV of both rails into 32Ω loads at 2.7V supply. This rail-to-rail I/O performance is guaranteed across the full –40°C to +125°C range and is essential for maximizing dynamic range in low-voltage portable and automotive systems using MAX4233ABC+G45.
How does the shutdown function work on MAX4233ABC+G45?
MAX4233ABC+G45 provides two independent shutdown pins (SHDN1 and SHDN2). When either pin is pulled low, its corresponding amplifier disables, reducing supply current to <1µA and actively driving the output to VSS (≤120mV at 200Ω). Enable/disable timing is 1µs, and power-up settles within 5µs. This per-channel control allows dynamic power gating in multi-function systems using MAX4233ABC+G45 - such as disabling one op amp during receive-only RF modes.
Can MAX4233ABC+G45 drive a 32Ω headphone load directly?
Yes, MAX4233ABC+G45 delivers 200mA peak output current and rail-to-rail swing, enabling direct drive of 32Ω stereo headphones at 60mW/channel with <1% THD+N at 10kHz. Its 10MHz GBWP and 10V/µs slew rate preserve audio fidelity across the audible band. The UCSP package's low thermal resistance supports sustained output without derating - a key advantage of MAX4233ABC+G45 in compact portable designs.
What is the maximum capacitive load MAX4233ABC+G45 can drive stably?
MAX4233ABC+G45 is unity-gain stable with capacitive loads up to 780pF into resistive loads ≥100Ω, as verified in production testing. This eliminates the need for series isolation resistors when driving ADC inputs, anti-alias filters, or long PCB traces - simplifying design and improving signal integrity. For loads exceeding 780pF, adding a small series resistor (e.g., 10Ω–39Ω) restores stability, a behavior confirmed in MAX4233ABC+G45's typical operating characteristics.
MAX4233ABC+G45 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 10-WFBGA, CSPBGA
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 10V/µs
- Gain Bandwidth Product:
- 10 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 850 µV
- Current - Supply:
- 1.2mA (x2 Channels)
- Current - Output / Channel:
- 200 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:
- 10-UCSP
MAX4233ABC+G45 FAQ
1.How can I place an order for MAX4233ABC+G45 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4233ABC+G45 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 MAX4233ABC+G45 reliable?
The price and inventory of MAX4233ABC+G45 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4233ABC+G45 is usually 5 days.
3.What payment methods are accepted for MAX4233ABC+G45?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4233ABC+G45 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4233ABC+G45?
MAX4233ABC+G45 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4233ABC+G45 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 MAX4233ABC+G45?
For technical support, including MAX4233ABC+G45 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4233ABC+G45 requirements.
6.How does Aetrix verify that MAX4233ABC+G45 is sourced from the original manufacturer or authorized distributors?
All MAX4233ABC+G45 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 MAX4233ABC+G45 meets industry standards.
7.What is the process for return or replacement of MAX4233ABC+G45?
All MAX4233ABC+G45 units undergo pre-shipment inspection (PSI). If there is an issue with MAX4233ABC+G45, 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 MAX4233ABC+G45 part is unused and in its original packaging.
Return procedure for MAX4233ABC+G45:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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