ADG1434YRUZ-REEL7 - Quad SPDT 4.7Ω iCMOS Switch | ADI
Артикул: ADG1434YRUZ-REEL7 ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $9.2 | $9,20 |
| 10 | $8.45 | $84,50 |
| 100 | $7.6 | $760,00 |
| 500 | $6.95 | $3.475,00 |
| 1.000 | $6.4 | $6.400,00 |
ADG1434YRUZ-REEL7 Обзор
An analog switch, sometimes called a CMOS switch or a bilateral switch, is a solid-state device that uses MOSFET transistors to pass or block analog signals with near-zero quiescent current. Analog switches sit hierarchically below multiplexers (MUX), which combine multiple switches with channel-selection logic, and belong to the broader Interface IC family that bridges real-world analog signals and digital control. Within this taxonomy, the ADG1434 specifically occupies the multi-channel SPDT niche — useful for signal routing, gain switching, sample-and-hold multiplexing, and audio/video signal steering where four channels are required.
Key features include break-before-make switching action that prevents momentary shorting when channels change state, fully specified 3 V logic-compatible digital inputs for direct microcontroller interface without level shifters, and a TTL/CMOS-compatible enable input (active low) on selected package variants. The part achieves low power consumption suitable for battery-influenced portable systems while tolerating the bipolar supply rails demanded by precision analog front ends. The integrated iCMOS process enables the combination of high voltage tolerance, low on-resistance, and small TSSOP footprint that discrete relay or opto-isolated solutions cannot match.
Typical applications include precision data-acquisition front ends, industrial process-control multiplexers, PLC analog input modules, instrumentation signal switching, medical monitoring routing, automated test equipment (ATE) channel selection, and audio/video signal routing in broadcast or studio equipment. The 4.7 Ω typical on-resistance and low charge injection make it suitable for 16-bit and lower-precision systems where signal-fidelity errors from RON contribute minimally to overall measurement uncertainty.
When designing with this part, ensure logic inputs are driven with clean CMOS levels and that the analog signal range stays within both supply rails plus a small margin. Use adequate PCB ground copper and bypass the supply pins with 100 nF ceramic capacitors placed close to the package. The TSSOP-20 footprint is shared across the ADG1433 (3-channel), ADG1434 (4-channel), and ADG1436/ADG1439 families, enabling layout reuse across design variants.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Аналоги без доработки для ADG1434YRUZ-REEL7 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
ADG1434YRUZ
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
ADG1434YRUZ-REEL
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
ADG1433YRUZ
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
ADG1434YCPZ-REEL7
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
ADG1434YRUZ-REEL7
✅ Прямая замена✓ В наличии
$6.4 / шт.
Открыть даташит →ADG1434YRUZ-REEL7 Максимальные параметры и электрические характеристики
| Manufacturer | Analog Devices |
| Part Number | ADG1434YRUZ-REEL7 |
| Part Status | Active |
| Switch Circuit | SPDT (4 channels) |
| Number of Circuits | 4 |
| Multiplexer/Demultiplexer Circuit | 2:1 |
| On-State Resistance (Max) | 4.7 Ω |
| On-Resistance Flatness (Max) | 0.5 Ω |
| Supply Voltage (Single) | 3.3 V to 16.5 V |
| Supply Voltage (Dual) | ±5 V to ±15 V |
| Maximum Supply Rating | 33 V |
| Logic Input Compatibility | 3 V TTL/CMOS compatible |
| Switching Action | Break-before-make |
| Диапазон рабочих температур | -40°C to +125°C |
| Корпус / Типоразмер | 20-TSSOP (4.4 mm body width) |
| Тип монтажа | Surface Mount |
| MSL (Moisture Sensitivity Level) | 1 (unlimited) |
| Статус RoHS | Compliant |
| Lead-Free | Yes |
| Reel Quantity | 1000 (REEL7) |
Конфигурация выводов ADG1434YRUZ-REEL7
| Контакт 1 | S1A — Source 1A for switch 1 |
| Контакт 2 | S1B — Source 1B for switch 1 |
| Контакт 3 | D1 — Drain (common) for switch 1 |
| Контакт 4 | IN1 — Logic input for switch 1 |
| Контакт 5 | GND — Ground reference |
| Контакт 6 | S2A — Source 2A for switch 2 |
| Контакт 7 | S2B — Source 2B for switch 2 |
| Контакт 8 | D2 — Drain (common) for switch 2 |
| Контакт 9 | IN2 — Logic input for switch 2 |
| Контакт 10 | VSS — Negative supply (dual supply mode) |
| Контакт 11 | S3A — Source 3A for switch 3 |
| Контакт 12 | S3B — Source 3B for switch 3 |
| Контакт 13 | D3 — Drain (common) for switch 3 |
| Контакт 14 | IN3 — Logic input for switch 3 |
| Контакт 15 | VDD — Positive supply |
| Контакт 16 | EN — Enable input (active low on TSSOP variant) |
| Контакт 17 | S4A — Source 4A for switch 4 |
| Контакт 18 | S4B — Source 4B for switch 4 |
| Контакт 19 | D4 — Drain (common) for switch 4 |
| Контакт 20 | IN4 — Logic input for switch 4 |
Типичное применение
ADG1434YRUZ-REEL7 подходит для 7 применениеs: Precision Data-Acquisition Front Ends, Industrial Process Control and PLC Modules, Automated Test Equipment (ATE) Channel Selection, Medical Monitoring Signal Routing, Audio and Video Signal Routing, Battery-Test and Power-Monitoring Multiplexers, Communication System Signal Switching.
Precision Data-Acquisition Front Ends
The ADG1434YRUZ-REEL7 is widely used as a multiplexer front end in 16-bit and lower precision data-acquisition systems where its 4.7 Ω on-resistance and 0.5 Ω flatness minimize signal attenuation errors. According to the Analog Devices datasheet, the part's rail-to-rail operation and ±15 V supply tolerance accommodate industrial-level signal ranges from ±10 V sources without scaling. The four SPDT channels enable dual-channel differential signal selection or quad-channel single-ended routing. When placed ahead of a 16- or 18-bit ADC, the switch's low charge injection limits sample-and-hold errors, while break-before-make action prevents cross-channel short circuits during transitions.
Рекомендуется
Industrial Process Control and PLC Modules
The ADG1434YRUZ-REEL7 is well suited for industrial process-control applications requiring multiple analog input channels routed to a single ADC or instrumentation amplifier. Its ±15 V supply tolerance directly accepts 4-20 mA current-loop-derived voltage signals after sense-resistor conversion, while the 33 V maximum supply rating provides substantial transient headroom for harsh factory environments. The break-before-make switching action ensures that adjacent input channels never cross-conduct during PLC scan cycles. The TSSOP-20 surface-mount package suits the densely populated backplanes of modern PLC analog input modules where board space is constrained.
Рекомендуется
Automated Test Equipment (ATE) Channel Selection
In ATE systems, the ADG1434YRUZ-REEL7 routes multiple Device-Under-Test (DUT) signals to shared measurement instruments such as digital multimeters or source-measurement units. The 4.7 Ω on-resistance contributes negligible error compared to typical instrument input impedances of 10 MΩ or higher, while the 0.5 Ω flatness minimizes channel-to-channel gain variations that would otherwise require frequent recalibration. According to the Analog Devices datasheet, low charge injection and break-before-make switching are critical for protecting sensitive DUT pins during test reconfiguration. The 20-TSSOP package supports high-density pin-electronics boards where space efficiency is paramount.
Рекомендуется
Medical Monitoring Signal Routing
Medical monitoring equipment such as patient monitors and multi-parameter telemetry units use the ADG1434YRUZ-REEL7 to route ECG, EEG, SpO2, and temperature signals through shared signal-conditioning circuitry. Its low on-resistance and rail-to-rail operation preserve small biomedical signal amplitudes (often in the millivolt range) without significant attenuation, while the 3 V logic-compatible inputs interface directly with low-power microcontrollers. The part's break-before-make action is critical in patient-connected designs where cross-channel leakage could compromise diagnostic accuracy. According to the Analog Devices datasheet, the TSSOP-20 footprint supports the compact form factors demanded by wearable and bedside patient monitors.
Рекомендуется
Audio and Video Signal Routing
The ADG1434YRUZ-REEL7 is well suited for routing balanced audio signals in professional mixing consoles, broadcast routers, and home theater signal paths. Its low on-resistance (4.7 Ω) preserves signal level, while the ±15 V supply tolerance easily accommodates professional +24 dBu audio line levels. For video applications, the rail-to-rail signal handling and break-before-make switching prevent momentary picture glitches during channel changes. According to the Analog Devices datasheet, low charge injection minimizes audible clicks and pops that would otherwise occur during switching transitions. The TSSOP-20 footprint fits compact audio-interface designs.
Рекомендуется
Battery-Test and Power-Monitoring Multiplexers
Battery-management and cell-monitoring systems use the ADG1434YRUZ-REEL7 to multiplex cell-voltage measurements to a shared ADC, enabling per-cell monitoring in multi-cell battery packs. The ±15 V supply tolerance covers 12 V lead-acid and multi-cell lithium stacks, while the low on-resistance contributes less than 1 mV of error when measuring battery voltages through 4-wire Kelvin connections. According to the Analog Devices datasheet, the TSSOP-20 surface-mount package and 3 V logic compatibility suit compact battery-management boards where the microcontroller directly drives the switch logic. Break-before-make action prevents momentary cross-connection between adjacent battery cells.
Рекомендуется
Communication System Signal Switching
Communication infrastructure such as base stations, software-defined radio (SDR), and network test equipment use the ADG1434YRUZ-REEL7 to route RF-band signals between filters, amplifiers, and ADC/DAC channels. While not specified for GHz operation, the switch handles baseband and intermediate-frequency signals in transceiver signal chains up to several hundred MHz. The ±15 V supply tolerance allows the part to operate from telecom-standard -48 V bus-derived rails through local regulation. According to the Analog Devices datasheet, the four independent SPDT channels enable flexible antenna-path selection or band-switching in multi-band radios.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для ADG1434YRUZ-REEL7 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | ADG1434YRUZ | ADG1434YRUZ-REEL | ADG1433YRUZ | ADG1434YCPZ-REEL7 |
|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Package | 20-TSSOP | 20-TSSOP - same | 20-TSSOP - same | 20-TSSOP - same | 20-LFCSP-EP (4x4 mm) - different footprint |
| Number of Channels | 4 (SPDT) | 4 (SPDT) | 4 (SPDT) | 3 (SPDT) | 4 (SPDT) |
| On-Resistance (Max) | 4.7 Ω | 4.7 Ω | 4.7 Ω | 4.7 Ω | 4.7 Ω |
| On-Resistance Flatness | 0.5 Ω | 0.5 Ω | 0.5 Ω | 0.5 Ω | 0.5 Ω |
| Supply Range (Dual) | ±5 V to ±15 V | ±5 V to ±15 V | ±5 V to ±15 V | ±5 V to ±15 V | ±5 V to ±15 V |
| Maximum Supply Rating | 33 V | 33 V | 33 V | 33 V | 33 V |
| Switching Action | Break-before-make | Break-before-make | Break-before-make | Break-before-make | Break-before-make |
| Logic Compatibility | 3 V CMOS/TTL | 3 V CMOS/TTL | 3 V CMOS/TTL | 3 V CMOS/TTL | 3 V CMOS/TTL |
| Operating Temperature | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C |
| RoHS Compliance | Compliant | Compliant | Compliant | Compliant | Compliant |
Ключевые отличия
- Industrial iCMOS process enabling ±15 V and 33 V maximum ratings (против ADG1408YRUZ-REEL7)
- True quad SPDT topology in single 20-TSSOP (против ADG1414BRUZ)
- Break-before-make switching prevents cross-channel shorting (против Generic CMOS switches without explicit BBM)
- Reel7 packaging for high-volume production (против ADG1434YRUZ (tube))
Заметки по проектированию
Bypass VDD with a 100 nF ceramic capacitor placed within 5 mm of the supply pin and a 10 µF tantalum or ceramic bulk capacitor on the same node. When using dual supplies, also bypass VSS with the same network. Estimated: each ADG1434 channel contributes negligible supply current under static conditions (logic inputs CMOS), so the 10 µF bulk cap primarily supports transient switching charge demands rather than continuous current draw. Keep digital ground and analog ground returns separate at the IC and join them only at the system ground star point to prevent digital-return currents from modulating the analog signal ground reference.
Route the four analog source pairs (S1A/S1B through S4A/S4B) as parallel microstrip or stripline traces with continuous ground reference on an adjacent layer to maintain channel-to-channel isolation. Place the ADG1434 IC between the analog input connector and the downstream ADC, with all four SPDT channels routed symmetrically to equalize trace length and parasitic capacitance. Keep digital logic inputs (IN1-IN4, EN) routed away from the analog Sx/Dx pins to prevent capacitive coupling of logic-edge noise into the analog signal path. Use guard traces or ground pours around the analog signal traces when crossing noisy digital regions.
Do not apply analog signals that exceed the supply rails (VDD or VSS) on any Sx or Dx pin — the part has no internal protection and exceeding the rails causes latch-up or permanent damage. Ensure that logic inputs (IN1-IN4) are driven cleanly to known CMOS levels; floating logic inputs can cause unpredictable switch states. When cascading multiple ADG1434 devices, account for cumulative on-resistance when calculating total source-to-ADC attenuation. The EN pin (active low on TSSOP-20 variant) must be tied to GND for normal operation and to VDD for low-power shutdown. Finally, do not exceed the absolute maximum 33 V supply rating, even during power-up transients.
For wideband or high-frequency analog signals (above ~10 MHz), the ADG1434's parasitic capacitance and charge injection will limit distortion performance — consult the Analog Devices datasheet's bandwidth and crosstalk graphs. Place the downstream ADC or amplifier within 25 mm of the ADG1434 to minimize trace capacitance. When using the part in sample-and-hold or track-and-hold configurations, account for the switch's charge injection by including a hold-capacitor pre-charge network if absolute accuracy below 1 LSB of a 16-bit ADC is required. For precision applications, consider the ADG1233 or ADG1234 families which offer lower charge injection and capacitance for audio-grade signal handling.
Информация о соответствии
RoHS compliant and lead-free per Analog Devices product page. Not AEC-Q100 qualified (consumer/industrial grade only). DRC Conflict Free per Abacus Technologies distributor compliance data. Halogen-free status not explicitly listed in the manufacturer datasheet.
