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ADG3245:  2.5 V/3.3 V, 8 BIT, 2 PORT LEVEL TRANSLATOR, BUS SWITCH

The ADG3245 is a 2.5 V or 3.3 V 8 bit, 2 port digital switch. It is designed on a low voltage CMOS process which provides low power dissipation yet gives high switching speed and very low on resistance allowing inputs to be connected to the outputs without additional propagation delay or generating additional ground bounce noise.

The switches are enabled by means of the Bus Enable, ...More

ADG3245:  2.5 V/3.3 V, 8 BIT, 2 PORT LEVEL TRANSLATOR, BUS SWITCH

Product Description

The ADG3245 is a 2.5 V or 3.3 V 8 bit, 2 port digital switch. It is designed on a low voltage CMOS process which provides low power dissipation yet gives high switching speed and very low on resistance allowing inputs to be connected to the outputs without additional propagation delay or generating additional ground bounce noise.

The switches are enabled by means of the Bus Enable, () input signal. These digital switches allow bi-directional signals to be switched when ON. In the OFF condition, signal levels up to the supplies are blocked. This device is ideal for applications requiring level translation. When operated from a 3.3 V supply, level translation from 3.3V inputs to 2.5V outputs is allowed. Similarly, if the device is operated from a 2.5 V supply and 2.5 V inputs are applied, the device will translate the outputs to 1.8 V. In addition to this, a level translating select pin ( ) is included. When is low, VCC is reduced internally allowing for level translation between 3.3V inputs and 1.8V outputs. This makes the device suited to applications requiring level translation between different supplies, such as converter to DSP interfacing.

RESOURCES & TOOLS

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  • 175 ps Propagation Delay through the switch
  • 3.5 Ω Switch Connection between Ports
  • 2.5 V/3.3 V Supply Operation
  • Selectable Level Shifting/Translation
  • Level Translation
    - 3.3 V to 2.5 V
    - 3.3 V to 1.8 V
    - 2.5 V to 1.8 V
  • 20 Lead TSSOP & CSP Packages
  • Data Rate (typ): 1244Mbps
  • t Prop Delay (typ): 225ps
  • Bus Enable Time (typ): 3.2ns
  • VCC 1 (V): 2.5 - 1.8,3.3 - 1.8,3.3 - 2.5,Single(+2.3 to +3.6)
  • ICC2: n/a
  • Pkg: CSP,TSSOP
  • Temp Range (°C): -40 to 85
  • Vcc 2 (V): n/a
  • Bus Width: 8

Functional Block Diagram for ADG3245

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*The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.