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Home > Products > Integrated Circuits (ICs) > Data Acquisition - Analog to Digital Converters (ADC) > MAX166DCPP
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MAX166DCPP

Manufacturer Part Number:
MAX166DCPP
Manufacturer / Brand
Analog Devices Inc./Maxim Integrated
Part of Description:
IC ADC 8BIT SAR 20DIP
Datasheets:
MAX166DCPP(1).pdfMAX166DCPP(2).pdfMAX166DCPP(3).pdfMAX166DCPP(4).pdfMAX166DCPP(5).pdf
Lead Free Status / RoHS Status:
RoHS non-compliant
Stock Condition:
New original, 4141 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number MAX166DCPP
Manufacturer / Brand Analog Devices Inc./Maxim Integrated
Stock Quantity 4141 pcs Stock
Category Integrated Circuits (ICs) > Data Acquisition - Analog to Digital Converters (ADC)
Description IC ADC 8BIT SAR 20DIP
Lead Free Status / RoHS Status: RoHS non-compliant
Voltage - Supply, Digital 5V
Voltage - Supply, Analog 5V
Supplier Device Package 20-PDIP
Series -
Sampling Rate (Per Second) 200k
Reference Type External, Internal
Ratio - S/H:ADC 1:1
Package / Case 20-DIP (0.300", 7.62mm)
Package Tube
Operating Temperature 0°C ~ 70°C
Number of Inputs 1
Number of Bits 8
Number of A/D Converters 1
Mounting Type Through Hole
Input Type Differential
Features -
Data Interface Parallel
Configuration S/H-ADC
Base Product Number MAX166
Architecture SAR

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

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Frequently Asked Questions

Can the MAX166DCPP be used in an industrial control system requiring continuous operation at 70°C ambient temperature with minimal cooling?
Yes, the MAX166DCPP is rated for operation from 0°C to 70°C, making it suitable for applications where sustained ambient temperatures reach the upper limit of its specification without active thermal management.
What are the implications of using the MAX166DCPP’s internal reference versus an external precision reference in a long-term data acquisition system?
The MAX166DCPP features both internal and external reference options. While the internal reference simplifies design, it may drift over time and temperature, affecting measurement accuracy in precision applications. For systems requiring stable, long-term calibration, an external precision voltage reference is recommended despite added complexity and component count.
How does the MAX166DCPP handle input voltage levels when interfacing with a microcontroller running at 3.3V logic but providing a 5V analog signal?
The MAX166DCPP operates on a single 5V analog supply and accepts differential input signals within that range. It can digitize a 5V analog input directly. However, if connecting to a 3.3V digital system, level-shifting circuitry or clamping diodes may be required to ensure signal compatibility and protect the ADC inputs from overvoltage conditions.
Is the MAX166DCPP compatible with modern PCB layouts that favor surface-mount packages over through-hole DIP components?
The MAX166DCPP is available in a 20-pin PDIP package, which is through-hole only. Engineers planning high-density PCBs may face layout challenges due to space requirements and routing constraints associated with dual-inline packages. Consideration should be given to alternative surface-mount variants such as the MAX166CCPP+ if footprint and assembly process allow.
What happens if the sampling clock frequency exceeds the maximum specified rate for the MAX166DCPP?
Exceeding the 200 kSPS maximum sampling rate will result in incomplete or corrupted conversions, leading to inaccurate digital output values. Reliable operation requires adherence to the timing specifications, including proper clock rise/fall times and duty cycle, to ensure correct sample-and-hold and conversion sequencing.
Can the MAX166DCPP be substituted directly into existing designs using the MAX166ACPP+ without changes?
No, substitution between MAX166DCPP and MAX166ACPP+ is not direct due to performance grade differences. The ‘D’ grade offers lower power consumption but potentially reduced accuracy and speed compared to the ‘A’ grade. Designers must verify electrical characteristics, especially linearity, offset error, and settling behavior, before replacing parts across grades.
Are there any known reliability concerns when operating the MAX166DCPP near its maximum temperature rating in enclosed electronic enclosures?
Prolonged operation near 70°C increases junction temperature, which may accelerate aging of internal components and degrade long-term reliability. In sealed or poorly ventilated environments, thermal buildup could push internal temperatures beyond safe margins, even if the ambient stays within specification. Thermal modeling and derating should be considered for mission-critical applications.
Does the MAX166DCPP support daisy-chaining or multi-device synchronization for parallel bus configurations?
The MAX166DCPP uses a standard parallel interface and does not include built-in synchronization or daisy-chain capabilities. To achieve synchronized sampling across multiple ADCs, external timing control via a common strobe signal or microcontroller coordination is required, increasing system complexity.
What precautions should be taken when routing analog inputs near noisy digital traces in a mixed-signal board layout?
Due to its 8-bit SAR architecture and sensitivity to noise, the MAX166DCPP benefits from careful analog grounding practices. Keep analog input traces short, separate from digital clock or I/O lines, and use a dedicated ground plane. Guard rings around sensitive nodes and filtering capacitors at the input can mitigate coupling of switching noise into the differential signal path.
Can the MAX166DCPP be powered from a non-5V supply rail, such as a 3.3V system, if the input signal is scaled accordingly?
No, the MAX166DCPP requires a 5V analog supply (VAA). Operating it from a 3.3V supply violates absolute maximum ratings and risks damaging the device. If interfacing with a 3.3V system, either use a regulated 5V supply for the ADC or select a device natively compatible with lower supply voltages.
Is the MAX166DCPP suitable for battery-powered portable instruments that require low quiescent current?
Yes, the MAX166DCPP consumes relatively low power compared to higher-speed converters, making it appropriate for battery-operated devices where power efficiency matters. However, its 200 kSPS throughput limits its usefulness in ultra-low-power sleep-mode applications unless duty-cycled effectively by external control logic.
What impact does reference capacitor selection have on the accuracy of the MAX166DCPP when using an external reference?
When using an external reference, improper capacitor selection at the REFOUT pin can introduce instability or slow settling, degrading effective resolution and introducing conversion errors. A low-ESR ceramic capacitor close to the pin, typically in the range of 100nF to 1µF, is recommended per datasheet guidelines to maintain reference integrity.

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