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Analog Devices Inc./Maxim Integrated MAX408ACSA
- Part No.:
- MAX408ACSA
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX408ACSA.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:345
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Product details
Overview
MAX408ACSA from Maxim Integrated is a single high-speed operational amplifier optimized for video-range signal amplification and fast data conversion systems. It delivers 100MHz gain bandwidth, 90V/µs slew rate, ±0.1% settling in 150ns, and drives 75Ω back-terminated video lines at 5VPP. It operates from ±4V supplies and supports gain ≥3 with internal compensation.
For engineers reviewing the MAX408ACSA datasheet, MAX408ACSA pinout, MAX408ACSA application, or MAX408ACSA equivalent, key selection criteria include settling time under 150ns, output drive into capacitive loads, input offset voltage ≤12mV, and compatibility with ±4V to ±5V supply rails in analog front-end and pulse amplification designs.
Technical Context
The MAX408ACSA employs internally compensated voltage-feedback architecture, stable for non-inverting gains ≥3 (inverting gains ≥−2) with 50°–60° phase margin into 50pF capacitive loads. Its open-loop gain of 10,000 V/V (80dB) and dominant-pole rolloff enable predictable closed-loop behavior up to ~40MHz in gain-of-3 configurations.
It features trimmable offset voltage via external nulling pins (pins 1 and 5), low 35nA input offset current, and wide input common-mode range (within 1.5V of V+ and 0.5V of V−). Output stage delivers ±3.5V swing into 2kΩ and maintains stability with short-circuit protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 100MHz - supports stable closed-loop operation up to ~33MHz at gain = 3 |
| Slew Rate | 90V/µs - enables full-scale 6VPP output transitions in <70ns without slewing distortion |
| Settling Time | 150ns to ±0.1% - critical for 12-bit DAC buffer and fast ADC driver applications |
| Input Offset Voltage | 5–12mV - trimmable via external potentiometer on pins 1/5 to <1mV |
| Supply Voltage Range | ±4V to ±5V - compatible with legacy ±5V analog systems and low-voltage precision rails |
| Output Drive | Drives 75Ω transmission lines at 5VPP - directly interfaces with standard video distribution infrastructure |
| Input Bias Current | 650–1100nA - low enough for high-impedance sensor conditioning without significant DC error |
Pinout & Package
MAX408ACSA is housed in an 8-lead SO (Small Outline) package, surface-mount compatible with JEDEC MS-012AC footprint. Thermal resistance θJA = 170°C/W; derating 5.88mW/°C above +70°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | BALANCE (Offset Null) | Connects to wiper of external 10kΩ potentiometer for VOS trimming; no signal path involvement |
| 2 | IN− | Inverting input node; differential input capacitance = 2pF, common-mode input capacitance = 3pF |
| 3 | V− | Negative supply rail connection; must be bypassed with 0.1µF capacitor to ground |
| 4 | OUT | Amplifier output; capable of ±3.5V swing into 2kΩ and sustained short-circuit current |
| 5 | BALANCE (Offset Null) | Second terminal for external nulling network; forms balanced bridge with Pin 1 |
| 6 | IN+ | Non-inverting input node; input common-mode range extends to within 1.5V of V+ and 0.5V of V− |
| 7 | V+ | Positive supply rail connection; requires local 0.1µF ceramic bypass capacitor |
| 8 | N.C. | No internal connection; left unconnected per datasheet; not used for thermal pad or grounding |
Key Features
| Feature | Design Value |
|---|---|
| Fully compensated for gain ≥3 | Eliminates need for external compensation components; ensures 50°–60° phase margin into 50pF load |
| Trimmable input offset voltage | External nulling via Pins 1/5 achieves <1mV residual offset after calibration |
| High output current drive | Delivers >100mA peak output current-sufficient for driving 75Ω video lines and large capacitive loads |
| Low crosstalk (dual/quad variants) | Not applicable to MAX408ACSA (single-channel); specified >90dB only for MAX428/MAX448 |
| Short-circuit protected output | Withstands indefinite output short to either rail without damage or latch-up |
Applications
| Video Amplifiers | Test Equipment |
|---|---|
Use Scenario: Amplifying composite video signals in broadcast-grade distribution amplifiers. IC Role / Device Role / Timing Role: Single-ended video buffer with 75Ω line drive capability and 5VPP output compliance. Use Value: Maintains signal integrity across long coaxial runs without requiring external termination or level-shifting circuitry. |
Use Scenario: Fast-settling buffer for arbitrary waveform generator outputs. IC Role / Device Role / Timing Role: Output driver stage ensuring ≤150ns settling to ±0.1% for 12-bit DAC reconstruction. Use Value: Enables accurate reproduction of high-frequency test waveforms (e.g., square, pulse) up to 10MHz without overshoot or ringing. |
| Pulse Amplifiers | Waveform Generators |
Use Scenario: High-fidelity amplification of nanosecond-scale logic pulses in time-domain reflectometry systems. IC Role / Device Role / Timing Role: Fast transient amplifier with 90V/µs slew rate and minimal propagation delay. Use Value: Preserves edge fidelity of sub-100ns pulses without rounding or amplitude droop under capacitive loading. |
Use Scenario: Output stage in programmable function generators producing sine, triangle, and sawtooth waveforms. IC Role / Device Role / Timing Role: Low-distortion, wide-bandwidth output buffer supporting 100MHz small-signal bandwidth. Use Value: Delivers clean, undistorted waveforms up to 10MHz fundamental frequency with THD <0.1% at 1VPP. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4390 | Pin-compatible upgrade; 220MHz GBW, 120V/µs slew rate, 10ns settling to 0.1%, lower 2.5mV max VOS | Supports higher-frequency signal chains (e.g., HD video, faster DACs); requires updated layout for improved HF stability | Preferred for new designs requiring extended bandwidth and tighter DC accuracy |
| AD8001ARZ | Not pin-compatible; 800MHz GBW, 1200V/µs slew rate, 25ns settling, ±15V supply capable, higher quiescent current (10mA) | Targets wider supply range and extreme speed; unsuitable for low-power or ±4V systems | Consider when system demands >200MHz bandwidth or rail-to-rail output swing |
Compared with MAX408ACSA, MAX4390 offers 2.2× higher bandwidth and 30% faster settling while maintaining identical SO-8 packaging and pinout-enabling drop-in replacement where board space and footprint are constrained. AD8001ARZ provides significantly higher speed but requires PCB redesign and power budget adjustment.
Availability
MAX408ACSA is available at Aetrix Electronics and suitable for video amplifiers, test equipment signal paths, and pulse amplifier stages requiring stable component supply and legacy design continuity.
Supply support for MAX408ACSA 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) is a semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and consumer applications.
The MAX408 family belongs to Maxim's high-speed op amp product line, designed specifically for video-range analog signal processing, fast data acquisition buffering, and pulse amplification where speed, drive strength, and settling accuracy are critical.
FAQ
What is the operating temperature range for MAX408ACSA?
The MAX408ACSA is rated for commercial temperature operation from 0°C to +70°C. This range is confirmed in the Ordering Information table and applies to all AC-grade variants including MAX408ACSA, MAX428ACSA, and MAX448ACPD/ACSD. Operation outside this range may result in parametric shift or reliability degradation.
Does MAX408ACSA require external compensation?
No, MAX408ACSA is internally compensated and stable for non-inverting gains ≥3 (or inverting gains ≥−2). The datasheet specifies 50°–60° phase margin into 50pF capacitive loads without added compensation. External compensation is only needed if gain is reduced below 3 or if enhanced HF stability is required beyond the native response.
Can MAX408ACSA drive a 75Ω video line at 5VPP?
Yes, the MAX408ACSA is explicitly characterized to drive back-terminated 75Ω transmission lines with 5VPP output amplitude. This capability is stated in the General Description and verified in AC Characteristics tables under RL = 150Ω (equivalent to 75Ω source + 75Ω load) conditions.
How is input offset voltage trimmed on MAX408ACSA?
MAX408ACSA provides dedicated offset null pins (1 and 5) for external trimming. A 10kΩ potentiometer connected between V+ and V−, with its wiper to Pin 1 and one end to Pin 5, enables adjustment of input offset voltage. Typical nulling range is ±15mV; reducing resistor values narrows the range-for example, 3.6kΩ yields ±5mV.
Is MAX408ACSA recommended for new designs?
No-Maxim explicitly states "Not Recommended for New Designs" due to discontinuation of the wafer process used to manufacture MAX408/428/448. While MAX408ACSA remains available for legacy support, Maxim recommends MAX4390 as the designated functional and pin-compatible upgrade for new projects requiring equivalent or improved performance.
MAX408ACSA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 90V/µs
- Gain Bandwidth Product:
- 100 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 650 nA
- Voltage - Input Offset:
- 5 mV
- Current - Supply:
- 7mA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 8 V
- Voltage - Supply Span (Max):
- 8 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX408ACSA FAQ
1.How can I place an order for MAX408ACSA through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX408ACSA 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 MAX408ACSA reliable?
The price and inventory of MAX408ACSA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX408ACSA is usually 5 days.
3.What payment methods are accepted for MAX408ACSA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX408ACSA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX408ACSA?
MAX408ACSA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX408ACSA 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 MAX408ACSA?
For technical support, including MAX408ACSA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX408ACSA requirements.
6.How does Aetrix verify that MAX408ACSA is sourced from the original manufacturer or authorized distributors?
All MAX408ACSA 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 MAX408ACSA meets industry standards.
7.What is the process for return or replacement of MAX408ACSA?
All MAX408ACSA units undergo pre-shipment inspection (PSI). If there is an issue with MAX408ACSA, 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 MAX408ACSA part is unused and in its original packaging.
Return procedure for MAX408ACSA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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