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ADG781BCPZ Quad SPST-NC analog switch from Analog Devices with 4 Ohm maximum on-resistance and 200 MHz bandwidth. Housed in a 20-LFCSP package.
Mfr Part #:

ADG781BCPZ

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
Quad SPST-NC analog switch from Analog Devices with 4 Ohm maximum on-resistance and 200 MHz bandwidth. Housed in a 20-LFCSP package.
✓ Total Stock: 4 pcs

ADG781BCPZ Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Speed Components Ltd ✓
Non-Authorised Inventory information
4 pcs
On Request
4 pcs On Request 1 On Request On Request 748 On Request On Request
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ADG781BCPZ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Channel Capacitance (CS(off), CD(off))
Charge Injection
Crosstalk
Current
Mounting Type
Multiplexer
Number of Circuits
On
Operating Temperature
Power Consumption
SVHC Present
Supplier Device Package
Switch Circuit
Switch Time (Ton, Toff) (Max)
Voltage
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ADG781BCPZ Description

Short technical summary and product information.

The ADG781BCPZ is a monolithic CMOS device containing four independently selectable SPST-NC (normally closed) switches. It operates from a single 1.8 V to 5.5 V supply, making it suitable for battery-powered systems. Key specifications include a maximum on-resistance of 4 ohms (typical 2.5 ohms), on-resistance flatness of 0.5 ohms, and a -3 dB bandwidth greater than 200 MHz. The device features fast switching times with typical turn-on of 16 ns and turn-off of 10 ns, and low charge injection of 3 pC. Crosstalk is -90 dB at 10 MHz, and leakage current is 100 pA maximum. The switch is TTL/CMOS compatible and supports rail-to-rail operation. The ADG781BCPZ is packaged in a 20-lead LFCSP (4 mm x 4 mm) with an exposed pad for thermal management. It is surface mount and operates over -40°C to 85°C. Typical applications include battery-powered systems, communication systems, sample-and-hold circuits, audio signal routing, and video switching.

ADG781BCPZ Quick Information

Product Type: Analog Switch
Canonical Name: ADG781BCPZ Quad SPST-NC Analog Switch
Subcategory: SPST Switches

ADG781BCPZ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ADG781BCPZ Features

  • Quad SPST-NC switches with 4 Ohm max on-resistance.
  • Operates from single 1.8V to 5.5V supply.
  • 200 MHz bandwidth for high-speed signal switching.
  • Fast switching: 16 ns turn-on, 10 ns turn-off.
  • Compact 20-LFCSP (4x4 mm) surface mount package.

ADG781BCPZ Applications

  • Ideal for battery-powered systems and portable devices.
  • Used in communication systems for signal routing.
  • Suitable for audio and video signal switching.
  • Replaces mechanical reed relays in low-power designs.

ADG781BCPZ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range?

1.8 V to 5.5 V single supply.

What package does the ADG781BCPZ come in?

20-lead LFCSP (4 mm x 4 mm) with exposed pad.

What is the operating temperature range?

-40°C to 85°C.

Is the ADG781BCPZ RoHS compliant?

Yes, RoHS3 compliant.

What is the bandwidth of the ADG781BCPZ?

200 MHz (-3 dB).

What is the on-resistance of the ADG781BCPZ?

Maximum 4 ohms, typical 2.5 ohms at 5V.

What are the switching times?

Turn-on 16 ns typical, turn-off 10 ns typical (per datasheet).

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