MAX338EPE+ - 8:1 400Ω Analog Multiplexer | Analog Devices
N.º da peça: MAX338EPE+ ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $3.5439 | $3,54 |
| 10 | $3.5439 | $35,44 |
| 100 | $3.5439 | $354,39 |
| 500 | $3.5439 | $1.771,95 |
| 1.000 | $3.5439 | $3.543,90 |
MAX338EPE+ Visão geral
An analog multiplexer is a switching semiconductor that routes multiple analog inputs to one shared signal path under digital control. The MAX338/MAX339 family belongs to the analog switch and mux hierarchy, where the MAX338 provides one 8-channel single-ended path and the MAX339 provides dual 4-channel operation. Reducing the number of external signal connections can simplify wiring, board space, and system architecture when several sensors or measurement nodes must be selected by a controller.
Key verified characteristics include an 8:1 configuration, 400 Ω on-resistance, 16-PDIP mechanical package, industrial temperature grade, and through-hole mounting. The MAX338EPE+ uses a 3-bit binary address to select one of eight inputs according to the manufacturer description. The verified snippets do not provide complete electrical limits such as supply voltage, leakage current, bandwidth, switch capacitance, or logic thresholds, so those values must be checked against the official manufacturer datasheet before final design release.
The MAX338 family is positioned for low-leakage CMOS analog multiplexing. This makes the device relevant where a controller must scan multiple analog sources while preserving a common signal-conditioning path. The common output can feed a downstream amplifier, ADC, comparator, or measurement front end, while the selected address determines which input reaches that shared node. The exact input signal range and allowable switching conditions depend on parameters not included in the verified search snippets.
Typical uses include multimeter and bench-test input selection, sensor-channel scanning, industrial control interfaces, data-acquisition systems, and embedded measurement modules. The 16-PDIP package favors through-hole prototyping and repair rather than compact surface-mount production. Because the available evidence does not provide full timing, power, and absolute-maximum ratings, engineers should use the official MAX338 datasheet and validate signal levels, supply rails, leakage, settling behavior, and control timing in the intended system.
A key design consideration is ensuring that the downstream circuit can tolerate the mux's on-resistance, leakage, and charge injection. Signal-chain errors become more significant when source impedance is high, source-to-source voltage differences are large, or measurement accuracy is dominated by leakage. Route the selected output with short traces, maintain a stable reference and supply arrangement, and account for control-signal timing before sampling the analog node.
This page combines verified distributor listings, the Analog Devices family description, package information, and practical selection guidance for engineers evaluating the MAX338EPE+. Pricing shown here is a reference as of 2026-10-21 and should be confirmed with the seller before purchase.
Alternativas drop-in para MAX338EPE+ — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MAX338EPE+ (mesmo formato e footprint) — diferindo em Mounting Type, Number of Channels, Package.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
Nenhuma alternativa drop-in disponível para este produto.
Solicitar alternativasMAX338EPE+ Especificações
| Product Type | 8:1 single-ended CMOS analog multiplexer |
| Number of Channels | 8 inputs to 1 common output |
| On-Resistance | 400 ohm |
| Address Control | 3-bit binary address |
| Encapsulamento | 16-PDIP |
| Number of Terminals | 16 |
| Tipo de montagem | Through-hole |
| Temperature Grade | Industrial |
| Technology | CMOS analog multiplexer |
| Switch Type | Single circuit IC switch |
| Signal Configuration | Single-ended |
| Leakage Characteristic | Low-leakage |
Guia de Configuração de Pinos do MAX338EPE+ 16-pdip
Configuração de pinos para MAX338EPE+ (pacote 16-pdip). A numeração dos pinos, funções e diagramas de conexão estão definidos no datasheet do fabricante. Consulte-o para o footprint exato e diretrizes de soldagem.
Nenhum dado detalhado de pinagem disponível para MAX338EPE+.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
MAX338EPE+ é adequado para 6 aplicaçãos: Multichannel Sensor Scanning, Data-Acquisition Input Conditioning, Bench Test and Measurement, Industrial Control Signal Routing, Low-Rate Analog Signal Multiplexing, Automated Calibration Signal Selection.
Multichannel Sensor Scanning
The MAX338EPE+ is a practical choice when an embedded controller must scan several single-ended sensors through one shared analog front end. Its 8:1 topology reduces the number of signal paths reaching an ADC, amplifier, or comparator, while the 3-bit address simplifies sequential selection in firmware. The verified 400 ohm on-resistance is manageable for many low-frequency measurement systems, but high-impedance sensors may require a buffer because switch resistance can introduce gain error. Confirm leakage, settling time, and input capacitance from the manufacturer datasheet before selecting it for precision or high-rate measurements.
Recomendado
Data-Acquisition Input Conditioning
Use the MAX338EPE+ to route eight analog measurement channels into a common conditioning path before an ADC. The verified 8:1 configuration and industrial-grade DIP package are useful for prototype and industrial control boards where a through-hole component simplifies rework. The mux contributes nominal 400 ohm resistance in the selected path, so source impedance should remain low or be buffered. Address-control timing and analog settling must be coordinated before the ADC samples the shared output. The supplied data does not specify ADC count, bandwidth, or sampling rate.
Recomendado
Bench Test and Measurement
The MAX338EPE+ can select among several test inputs in a bench instrument, allowing multiple sources to share one measurement amplifier or display channel. The common output simplifies the analog topology, while the address interface lets a controller automate range or source selection. Keep the selected signal path short and use a defined reference return to reduce errors. Because the verified listing specifies 16-PDIP and through-hole mounting, this format is especially convenient for laboratory hardware, fixtures, and hand-assembled prototypes where surface-mount replacement is not required.
Recomendado
Industrial Control Signal Routing
The MAX338EPE+ can route multiple analog control or feedback signals into a shared controller input in an industrial control system. Its CMOS analog-mux architecture and 3-bit address control provide a straightforward way to organize discrete analog channels without duplicating front-end circuitry. The industrial temperature classification supports industrial design intent, but the complete operating-temperature limits and electrical ratings are not present in the verified snippets. Verify supply voltage, logic thresholds, leakage, and absolute maximum ratings against the official datasheet before using the mux with safety-critical control loops.
Recomendado
Low-Rate Analog Signal Multiplexing
The MAX338EPE+ is suitable for low-rate analog multiplexing where one common output must be selected from eight inputs. It can reduce wiring complexity in instrumentation, panel interfaces, and mixed-signal control boards. The nominal 400 ohm on-resistance should be checked against the source and load impedance, especially when the selected signal drives a high-impedance amplifier. Keep traces short, provide a clean ground reference, and allow adequate settling time after changing the 3-bit address. This use case prioritizes channel consolidation and simplicity rather than high-frequency performance, which is not available in the verified data.
Recomendado
Automated Calibration Signal Selection
The MAX338EPE+ can select calibration references or test stimuli in a control and measurement board. Routing several sources to one comparison or measurement node can simplify calibration sequencing and reduce the number of external analog connections. The digital address interface makes it compatible with microcontroller or programmable-instrument control logic, although address polarity, enable timing, and settling behavior require confirmation from the official datasheet. Use stable source impedance and account for the 400 ohm switch resistance during calibration. The verified evidence supports the multiplexer function and package, not a guaranteed accuracy grade.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MAX338EPE+ — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MAX338ESE+T | MAX338CSE+ | MAX339CPE+ | MAX338EPE | MAX338EPE+T |
|---|---|---|---|---|---|---|
| Package | 16-PDIP | 16-SOIC | 16-SOIC | 16-PDIP | 16-PDIP | 16-PDIP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Multiplexer Function | 8:1 single-ended | 8:1 single-ended | 8:1 single-ended | Dual 4-channel | 8:1 single-ended | 8:1 single-ended |
| Address Control | 3-bit binary address | 3-bit binary address | 3-bit binary address | Dual address-control implementation | 3-bit binary address | 3-bit binary address |
Principais diferenciais
- Verified 8:1 single-ended routing (vs MAX339CPE+)
- Through-hole 16-PDIP format (vs MAX338ESE+T)
- Nominal 400 ohm on-resistance (vs MAX338CSE+)
Notas de projeto
Keep the muxed analog path short and use a low-impedance source or an input buffer when the downstream circuit is highly sensitive. The verified nominal on-resistance is 400 ohm, so resistance-only attenuation can be significant when the source impedance is high. Treat the switch as a resistive element plus an unprovided capacitance term, and validate settling and attenuation with the actual source, load, frequency, and measurement bandwidth. Do not infer the complete insertion-loss curve from the single 400 ohm listing.
Place the MAX338EPE+ close to the shared analog output and the front-end circuit it feeds, while keeping address traces away from sensitive analog nodes. Provide a continuous ground reference and follow the manufacturer’s recommended decoupling arrangement in the official datasheet. The verified snippets do not provide pin numbers, decoupling values, or layout artwork, so these details must not be invented. Confirm the exact DIP pinout before laying out the board.
Do not substitute a different package or channel arrangement based only on the MAX338 family name. The supplied comparison data identifies MAX338ESE+T as 16-SOIC, while MAX338EPE+ is verified as 16-PDIP; those parts require different board footprints. MAX339-family devices may use dual 4-channel routing rather than the target 8:1 single-ended topology. Validate suffix, pinout, address truth table, supply voltage, leakage, and signal limits before production release.
Informações de conformidade
The verified snippets identify industrial temperature grade and CMOS analog-multiplexer technology, but they do not provide explicit RoHS, REACH, lead-free, halogen-free, or conflict-minerals statements. Compliance must be confirmed from the current Analog Devices product documentation or supplier records.
