DG408DY

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DG408DY

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IC MULTIPLEXER 8X1 16SOIC

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Attribut Wert
Supplier Analog Devices Inc./Maxim Integrated
Package Tube
ProductStatus Active
Multiplexer/DemultiplexerCircuit 8:1
NumberofCircuits 1
On-StateResistance(Max) 100Ohm
Channel-to-ChannelMatching(ΔRon) 1.5Ohm
Voltage-SupplySingle(V+) 5V ~ 30V
Voltage-SupplyDual(V±) ±5V ~ 20V
SwitchTime(TonToff)(Max) 150ns, 150ns
ChargeInjection 2pC
ChannelCapacitance(CS(off)CD(off)) 3pF, 26pF
Current-Leakage(IS(off))(Max) 500pA
Crosstalk -92dB @ 100kHz
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 16-SOIC (0.154, 3.90mm Width)

Übersicht

Description

DG408DY is a variant in the DG408 family of CMOS analog switches/multiplexers. It acts as an analog switch array: one of several input channels can be connected to a common output (multiplexing) or the reverse (demultiplexing) under digital control. The device is used to route analog signals in instrumentation, data acquisition, signal processing, audio routing, and test equipment. It uses CMOS technology with typically low on-resistance, low leakage, and a wide supply voltage range, allowing operation from a few volts up to higher rails (exact ranges depend on the variant). The “DY” suffix designates a specific package/quality grade; pinout and packaging vary by supplier. Driving it requires digital select lines (and sometimes an enable line) compatible with TTL/CMOS logic. For precise specifications—channel count, on-resistance, leakage, switching time, break-before-make behavior, and exact supply ranges—consult the manufacturer’s datasheet for the DG408DY.

Equivalent

Please confirm DG408DY’s function and specs. If it’s the DG408 family 4-channel analog switch, typical equivalents include:
- Analog Devices: ADG408/ADG409
- Vishay Siliconix: DG408/DG409 family
- TI: 74HC4066 (quad bilateral switch) or 74HC4053 (triple 2-channel), depending on required channels and voltage
For exact pin‑for‑pin cross‑reference, provide package (DIP/SOIC) and supply voltage.

Features

DG408DY is a CMOS analog switch in the DG408 family. Key features (typical for DG408 devices; check your exact datasheet for the DY variant):
- Transmission-gate/bi-directional analog switch
- Can operate from single or dual power supplies
- Control input compatible with TTL/CMOS levels
- On-resistance in a moderate range; low leakage when off
- Break-before-make switching
- Fast switching (nanoseconds scale)
- Wide analog signal range within supply rails
- Overvoltage/ESD protection and robust I/O protection
- Available in standard packages (e.g., DIP8, SOIC) and common industrial temperature ranges
Note: exact specs (RON, leakage, supply range, temperature range) vary by manufacturer and version. Please consult the specific datasheet for DG408DY to get precise numbers.

Pinout

- Pin count: 8 pins (DIP-8/SO-8)
- Function: CMOS bilateral analog switch (DG408 family). Provides a bidirectional pass element between its input/output terminals, controlled by a digital control input to route or disconnect an analog signal.

Manufacturer

Manufacturer: Intersil (now part of Renesas Electronics).
What kind of company: A global semiconductor company that designs and manufactures analog, mixed-signal, and power-management integrated circuits.

Application

DG408DY is a CMOS analog switch/multiplexer. Common applications include:
- Analog signal routing and channel multiplexing in data acquisition, instrumentation, and test equipment
- Input selection for ADC/DAC front ends and programmable gain stages
- Audio/Video signal routing and switching in consumer and professional gear
- Sensor/ transducer signal paths in industrial, automotive, and communications equipment
- Signal gating and path selection in multiplexed measurement systems

Package

DG408DY is in an 8-pin surface-mount package: SOIC-8.

Frequently Asked Questions


Q: What is the maximum on-state resistance for the DG408DY?
A: The maximum on-state resistance is 100 Ohms, with channel-to-channel matching of 15 Ohms max.


Q: What are the suitable single and dual supply voltage ranges?
A: Single supply range is 5V to 34V; dual supply range is ±5V to ±20V.


Q: How fast does the multiplexer switch between channels?
A: The typical switch time (Ton/Toff) is 150ns maximum for both turn-on and turn-off.


Q: What is the charge injection level for this multiplexer?
A: The charge injection is 20pC, which helps minimize output glitches during switching.


Q: Is this device suitable for low-leakage applications?
A: Yes, the maximum off-state leakage current is only 500pA, ideal for precision analog circuits.


Q: Can it operate in high-temperature environments?
A: Yes, it has an operating temperature range of -40°C to +85°C.


Q: What is the package type for the DG408DY?
A: It is offered in a 16-SOIC (0.154", 3.90mm width) surface-mount package.


Q: What is the typical channel capacitance for this part?
A: Typical capacitances are 3pF (off-state source) and 26pF (off-state drain).


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