DG411DY-E3 - Quad SPST 35Ohm CMOS Analog Switch | Vishay
料号： DG411DY-E3 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.68 | $1.68 |
| 10 | $1.51 | $15.10 |
| 100 | $1.35 | $135.00 |
| 500 | $1.22 | $610.00 |
| 1,000 | $1.1 | $1,100.00 |
DG411DY-E3 概述
An analog switch is a semiconductor device that routes or blocks analog signal paths under digital control, sitting within the broader taxonomy: analog switch IC -> signal switch -> interface/signal-conditioning IC -> semiconductor. Quad SPST switches like the DG411 are the workhorses of analog front-end design, replacing electromechanical relays and discrete JFET switching where board space, speed, and reliability matter.
Key features include extremely low power consumption of approximately 0.35 uW, TTL- and CMOS-compatible digital inputs, and low on-resistance matching between the four switches. The CMOS transmission-gate architecture conducts equally well in either direction, supporting bipolar analog signal swings when dual supplies are used. The -E3 suffix denotes tin/lead-free plating with RoHS compliance for modern assembly processes.
Technically, each switch is built as a CMOS transmission gate with an n-channel and p-channel MOSFET in parallel, driven by level-shifting gate control circuitry derived from the digital input. This topology keeps on-resistance relatively flat over the analog signal range and minimizes charge injection, which is critical for sample-and-hold, integrator-reset, and audio signal-routing accuracy.
Typical applications include audio and video signal switching, precision test-and-measurement signal routing, sample-and-hold circuits, and data-acquisition channel multiplexing, where its 35 ohm channel resistance and low quiescent power keep inserted errors and thermal drift small.
Designers should verify total supply voltage headroom: the DG411 family is specified for dual supplies in the region of plus/minus 15 V, and signal swings must remain within the supply rails to avoid latch-up or increased distortion.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： DG411DY-E3 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： DG411DY-E3 （相同外形与封装尺寸） ——差异在于 Package, Product Type, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
DG411DY
✅ 直接替换📋 参考替代料（不在目录中）
ADG411BRZ
✅ 直接替换📋 参考替代料（不在目录中）
DG412DY-E3
✅ 直接替换📋 参考替代料（不在目录中）
DG411DY-E3 最大额定值与电气特性
| Product Type | Precision Monolithic Quad SPST CMOS Analog Switch |
| Number of Switches | 4 (quad) |
| Switch Configuration | SPST, 1:1 (four independent) |
| On-Resistance (max) | 35 Ohm |
| Technology | CMOS |
| Power Consumption | 0.35 uW (low power) |
| Digital Input Compatibility | TTL and CMOS compatible |
| Supply Voltage Class | 15 V / 18 V / 24 V / 28 V class (per distributor listing) |
| 封装 | 16-SOIC (0.154 in, 3.90 mm width) |
| 安装类型 | Surface Mount |
| Lead Free Status | Lead Free |
| RoHS 状态 | RoHS Compliant |
DG411DY-E3 16-soic (0.154 in, 3.90 mm width) 引脚配置指南
DG411DY-E3（16-soic (0.154 in, 3.90 mm width) 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： DG411DY-E3.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DG411DY-E3 适用于 6 应用s: Audio and Video Signal Switching, Test and Measurement Signal Routing, Data Acquisition Channel Multiplexing, Sample-and-Hold and Integrator Reset, Industrial Control Signal Gating, Battery-Powered Portable Instrumentation.
Audio and Video Signal Switching
The DG411DY-E3 fits audio and video routing because its CMOS transmission-gate switches conduct equally well in either direction and add only 35 ohm of series resistance, which is negligible against typical high-impedance audio loads. In an audio selector, the switch sits between source outputs and a summing amplifier input, with digital logic pins driven directly from a microcontroller. Its approximately 0.35 uW consumption produces no measurable self-heating, so distortion and thermal drift stay low, and the quad configuration lets one SOIC-16 switch four stereo signal branches or channels in a single footprint.
推荐
Test and Measurement Signal Routing
In bench instruments and automated test equipment, the DG411DY-E3 routes precision analog signals between front-end attenuators, buffers, and measurement cores. The 35 ohm maximum on-resistance and the family's low on-resistance matching between switches keep channel-to-channel errors small and calibratable, while TTL- and CMOS-compatible inputs let FPGA or MCU control lines switch paths directly without level translation. Placed after a high-impedance buffer, the switch contributes minimal insertion error; placing it before the buffer requires factoring the 35 ohm into gain accuracy. The quad SPST layout supports four independent break-before-style signal selections in one SOIC-16 package.
推荐
Data Acquisition Channel Multiplexing
For multi-channel data acquisition, the DG411DY-E3 gates individual sensor outputs onto a shared amplifier or ADC input. Because each SPST switch is fully independent, four sensor channels can be combined or gated per SOIC-16, and the low 0.35 uW power means hundreds of switches can share a supply without thermal design changes. The CMOS switch passes signals bidirectionally within the supply rails, so sensor outputs must stay within the analog supply range. Designers should budget the 35 ohm on-resistance against the ADC sample capacitor charge time when switches sit directly in the sampling path, using adequate settling time or a buffer stage.
推荐
Sample-and-Hold and Integrator Reset
The DG411DY-E3 works as the acquisition switch or reset switch in sample-and-hold and integrator circuits. Its CMOS transmission-gate construction keeps on-resistance relatively flat over the signal range, which reduces signal-dependent acquisition errors, and fast switching speeds let short aperture windows capture fast waveforms. In a reset application, the switch discharges a feedback capacitor on command; the 35 ohm path sets the reset time constant together with the capacitor value. Charge injection appears as a small pedestal at the hold node, so designers choose hold capacitor size to trade pedestal error against acquisition bandwidth per the Vishay datasheet guidance.
推荐
Industrial Control Signal Gating
In industrial controllers, the DG411DY-E3 gates sensor signals, reference voltages, and calibration sources on PLC and process-control boards. The 28 V supply class listed by distributors gives headroom on industrial analog rails, the low power suits densely packed control boards, and the SOIC-16 surface-mount package survives reflow assembly in volume manufacturing. TTL-compatible inputs switch reliably from standard 5 V logic used across industrial control. Because signals must remain within the analog supply rails, designers scale supply choice to the largest sensor swing. The RoHS-compliant -E3 finish meets European industrial equipment requirements without process change.
推荐
Battery-Powered Portable Instrumentation
With approximately 0.35 uW consumption, the DG411DY-E3 suits battery-powered portable meters, loggers, and hand-held instruments where every microwatt matters. The switch draws essentially zero static power in either state, so signal-path gating does not shorten battery life, unlike relay or bipolar alternatives. The small SOIC-16 body conserves board area in compact enclosures, and CMOS inputs impose negligible drive current on the controlling microcontroller GPIO. The main design consideration is ensuring control-logic levels fully swing the switch states at the chosen supply voltage, since partial logic levels near threshold can raise on-resistance or cause undefined switching.
推荐
推荐产品汇总
工程参考数据： DG411DY-E3 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | DG411DY | ADG411BRZ | DG412DY-E3 |
|---|---|---|---|---|
| Package | 16-SOIC (3.90 mm width) | 16-SOIC - same | 16-SOIC - same | 16-SOIC - same |
| Brand | Vishay Siliconix | Vishay Siliconix | Analog Devices | Vishay Siliconix |
| Switch Configuration | Quad SPST, 1:1 | Quad SPST, 1:1 | Quad SPST, 1:1 | Quad SPST, 1:1 |
| Plating / Compliance | Lead-free, RoHS (-E3) | Tin-lead (non-E3) | RoHS-compliant | Lead-free, RoHS (-E3) |
关键差异点
- Lowest on-resistance in the same footprint （对比 DG412DY-E3)
- RoHS lead-free finish with immediate stock （对比 DG411DY)
- Cost advantage with family continuity （对比 ADG411BRZ)
设计说明
Estimated: the DG411DY-E3's 0.35 uW static consumption means supply design is trivial, but dynamic switching current scales with control-clock frequency; at high channel-switching rates add local 100 nF decoupling from each supply pin to ground. Ensure the analog supply rails exceed the largest signal swing plus margin, since signals beyond the rails forward-bias CMOS protection structures and corrupt switching accuracy. Distributor listings place the family in the 15 V to 28 V supply class; confirm the exact range on the Vishay datasheet document 61564 for your operating condition.
Keep the analog source/drain traces away from the digital control lines to minimize capacitive feedthrough of logic edges into signal paths; a ground guard trace between control and signal routing reduces feedthrough in high-impedance applications. Place a 100 nF ceramic capacitor within 2 mm of the supply pin. The SOIC-16 footprint is standard narrow-body, so no special land-pattern work is needed, and the same footprint accepts the DG411DY, DG412DY-E3, and ADG411 alternatives listed on this page for second sourcing.
The most common DG411 pitfalls are (1) letting analog signals exceed the supply rails, which turns on protection diodes and distorts the signal, (2) driving control inputs from logic levels that do not fully cross the switching threshold at the chosen supply, leaving the switch in a partially-on state with elevated on-resistance, and (3) substituting DG412 (80 Ohm) for DG411 (35 Ohm) in precision paths without recalculating insertion error - the resistance is 2.3x higher. Verify the -E3 lead-free suffix when RoHS assembly is required; standard DG411DY carries tin-lead plating.
合规信息
Per distributor specification listings: Lead Free Status: Lead Free; RoHS Status: RoHS Compliant. The -E3 suffix denotes lead-free plating. REACH, halogen-free, and conflict-minerals status not stated in provided data.
