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Analog Devices Inc./Maxim Integrated MAX9698BCSE+
- Part No.:
- MAX9698BCSE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Comparators
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX9698BCSE+.pdf
- Description:
- IC COMPARATOR 2 GEN PUR 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,278
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Product details
Overview
MAX9698BCSE+ from Maxim Integrated is a dual, very fast TTL-output comparator fabricated in a high-frequency bipolar process (fT = 6GHz), delivering 6ns propagation delay, ±5V supply operation, and differential inputs with complementary TTL-compatible outputs. It serves as a high-speed decision element in ADC front-ends and threshold detection circuits requiring sub-10ns timing precision.
For engineers reviewing the MAX9698BCSE+ datasheet, MAX9698BCSE+ pinout, MAX9698BCSE+ application, or MAX9698BCSE+ equivalent, key selection criteria include latch-enable timing (2ns setup), ±5V dual-supply compatibility, 200MHz+ signal processing capability, and SO-16 package thermal performance (θJA = 180°C/W).
Technical Context
The MAX9698BCSE+ implements two independent high-speed comparators with fully differential inputs and complementary TTL outputs, each supporting latch-enable functionality via dedicated LE1/LE2 pins. Its bipolar architecture enables 6ns typical propagation delay and 2ns latch setup time while maintaining DC matching (±3mV input offset voltage) uncommon in comparators of this speed class.
It operates from ±5V supplies (absolute max ±6V), supports input common-mode range of ±3V, and delivers 20mA output drive into TTL loads. The latch function captures input state on LE transition and holds output until LE returns low - unused LE pins must be grounded to avoid undefined behavior.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Propagation Delay | 6ns typical (input to output high); enables >200MHz signal decision rates in real-time systems. |
| Latch Setup Time | 2ns maximum; defines minimum input stability window before LE rising edge for reliable capture. | Supply Voltage | ±5V (±6V absolute max); requires dual-rail power design with decoupling near V+/V− pins. |
| Input Offset Voltage | ±3mV max at +25°C; ensures accurate threshold comparison without external trimming. |
| Output Drive | 20mA sink/source; directly interfaces standard TTL logic without level-shifting or buffering. |
| Input Common-Mode Range | ±3V; supports rail-to-rail analog input signals within ±5V supply constraints. |
Pinout & Package
MAX9698BCSE+ is housed in a 16-pin SO (Small Outline) package with exposed pad not specified; thermal resistance θJA = 180°C/W per datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 15, 16 | GND | Ground reference for both comparators and latch circuitry; requires low-inductance PCB connection. |
| 3, 4, 13, 14 | +IN1, −IN1, +IN2, −IN2 | Differential input pairs for Comparator 1 and Comparator 2; matched layout critical for skew control. |
| 5, 6, 11, 12 | Q1, Q1, Q2, Q2 | Complementary TTL outputs (true/inverted) per comparator; drive standard TTL loads directly. |
| 7, 8 | LE1, LE2 | Independent latch-enable inputs; high-active; must be tied low if unused to prevent metastability. |
| 9, 10 | V+, V− | Positive and negative supply rails; require local 0.1µF ceramic decoupling capacitors. |
Key Features
| Feature | Design Value |
|---|---|
| 6GHz fT bipolar process | Enables 6ns propagation delay while preserving DC accuracy (±3mV VOS) - rare combination in high-speed comparators. |
| Independent latch-enable inputs | LE1/LE2 allow asynchronous sampling control per comparator, enabling staggered acquisition in multi-channel systems. |
| TTL-compatible complementary outputs | Q/Q outputs eliminate need for external inverters in differential logic interfacing or clock/data recovery paths. |
| ±5V dual-supply operation | Supports legacy industrial and test equipment power architectures without level translation. |
Applications
| High-Speed Analog-to-Digital Converters | High-Speed Line Receivers |
|---|---|
Use Scenario: Front-end sampling decision stage in flash or pipeline ADCs operating above 100MSPS. IC Role / Device Role / Timing Role: Dual comparator providing simultaneous threshold evaluation for parallel bit decisions with <6ns latency. Use Value: Enables clean, jitter-free sampling edges by resolving analog inputs faster than aperture uncertainty limits. | Use Scenario: Differential data recovery in ECL- or PECL-based serial links with termination mismatch. IC Role / Device Role / Timing Role: High-bandwidth line receiver converting small-swing differential signals to full-swing TTL logic levels. Use Value: Maintains signal integrity up to 200MHz due to 6GHz fT and matched input pair layout. |
| Peak Detectors | Threshold Detectors |
Use Scenario: Capturing transient voltage peaks in RF envelope detection or pulse-height analysis. IC Role / Device Role / Timing Role: Latch-enabled comparator holding peak value via LE-controlled sample-and-hold action. Use Value: 2ns latch setup time allows precise timing alignment with external trigger events. | Use Scenario: Real-time overvoltage/undervoltage monitoring in power supply supervision circuits. IC Role / Device Role / Timing Role: Dual comparator comparing sensed rail voltages against reference thresholds. Use Value: ±3mV input offset ensures detection accuracy within 0.1% of 3V reference without calibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual high-speed comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT1016CN#PBF | Slower propagation delay (10ns typ), single-channel, no latch enable, ±15V supply capable. | Suitable for lower-speed precision applications where latch function is unnecessary and wider supply range is required. | Select when ±15V operation or higher input impedance (>100kΩ) is prioritized over speed and dual-channel density. |
| ADCMP572BCPZ-R2 | Faster propagation (2.5ns typ), single-channel, CML outputs, 3.3V supply only, integrated hysteresis. | Better suited for ultra-high-speed serial data recovery but requires level translation for TTL interface and lacks latch function. | Choose for >500MHz decision rates where CML compatibility and minimal jitter outweigh dual-channel and latch needs. |
Compared with LT1016CN#PBF and ADCMP572BCPZ-R2, the MAX9698BCSE+ uniquely balances dual-channel integration, TTL output compatibility, latch-enable control, and 6ns speed - making it optimal for compact, synchronized multi-threshold systems operating from ±5V rails.
Availability
MAX9698BCSE+ is available at Aetrix Electronics and suitable for high-speed analog-to-digital conversion, threshold detection, and peak detection applications requiring stable component supply and legacy design continuity.
Supply support for MAX9698BCSE+ 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 high-speed ICs for industrial, communications, and computing applications.
The MAX9686/MAX9698 product line was engineered specifically for high-speed comparator applications demanding sub-10ns propagation delay with TTL-level outputs and latch-enable capability - targeting ADC front-ends and real-time signal conditioning.
FAQ
What is the recommended power supply configuration for MAX9698BCSE+?
The MAX9698BCSE+ requires dual ±5V supplies (V+ = +5V, V− = −5V) with local 0.1µF ceramic decoupling capacitors placed adjacent to pins 9 (V+) and 10 (V−). Absolute maximum ratings allow ±6V, but operation outside ±5V degrades timing specs and increases power dissipation beyond 336mW limit. Ground pins (1,2,15,16) must connect to a low-impedance ground plane.
Does MAX9698BCSE+ support latch functionality on both comparators independently?
Yes, MAX9698BCSE+ provides independent latch-enable inputs: LE1 (pin 7) controls Comparator 1, and LE2 (pin 8) controls Comparator 2. When either LE pin goes high, its corresponding comparator latches the current input state and holds output until LE returns low. Unused LE pins must be tied to GND to prevent undefined output behavior.
What is the input voltage range specification for MAX9698BCSE+?
The MAX9698BCSE+ specifies an input common-mode voltage range of ±3V (relative to GND) under ±5V supply conditions. Differential input voltage is limited to 5V max. Exceeding ±3V common-mode may cause increased offset drift or reduced CMRR; inputs must remain within these bounds for guaranteed performance per datasheet electrical characteristics.
Is MAX9698BCSE+ pin-compatible with other devices in the MAX9686/MAX9698 family?
Yes, MAX9698BCSE+ shares identical pinout with all MAX9698 variants in SO-16 package (e.g., MAX9698CSE, MAX9698CJE). It is not pin-compatible with MAX9686 (single-channel, 8-pin packages) or military-grade versions with different temperature-range markings. Pin mapping matches the SO-16 configuration shown in the "Pin Configurations" section of the datasheet.
Why is MAX9698BCSE+ marked 'Not Recommended for New Designs'?
MAX9698BCSE+ is marked 'Not Recommended for New Designs' because it was manufactured using a wafer process that Maxim no longer maintains. While functional units remain available for legacy support, Maxim advises new designs to consider replacements like the MAX9601 or industry alternatives. Technical support remains available for existing implementations, and the datasheet is retained for reference.
MAX9698BCSE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 2
- Output Type:
- Complementary
- Voltage - Supply, Single/Dual (±):
- ±6V
- :
- 3mV @ ±5V
- Voltage - Input Offset (Max):
- 25µA @ 5V
- Current - Input Bias (Max):
- 20mA
- Current - Output (Typ):
- 40mA, 50mA
- Current - Quiescent (Max):
- 96dB CMRR, 85dB PSRR
- CMRR, PSRR (Typ):
- 9ns
- Propagation Delay (Max):
- -
- Hysteresis:
- 0°C ~ 70°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 16-SOIC
MAX9698BCSE+ FAQ
1.How can I place an order for MAX9698BCSE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX9698BCSE+ 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 MAX9698BCSE+ reliable?
The price and inventory of MAX9698BCSE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX9698BCSE+ is usually 5 days.
3.What payment methods are accepted for MAX9698BCSE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX9698BCSE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX9698BCSE+?
MAX9698BCSE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX9698BCSE+ 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 MAX9698BCSE+?
For technical support, including MAX9698BCSE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX9698BCSE+ requirements.
6.How does Aetrix verify that MAX9698BCSE+ is sourced from the original manufacturer or authorized distributors?
All MAX9698BCSE+ 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 MAX9698BCSE+ meets industry standards.
7.What is the process for return or replacement of MAX9698BCSE+?
All MAX9698BCSE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX9698BCSE+, 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 MAX9698BCSE+ part is unused and in its original packaging.
Return procedure for MAX9698BCSE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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