ADG3247 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADG3247
Manufacturer

ADI
ChipWorker Part#

CW389419557
Description

2.5V/3.3V, 16Bit (Dual 8Bit) , 2Port Level Translator, Bus Switch
Documentation

Datasheet

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ADG3247 Specifications

Attribute	Attribute Value

Part Number	ADG3247
Manufacturer	ADI
ChipWorker Part#	CW389419557
Documentation	Datasheet
	expand all
Product Lifecycle Status	Active

Product Description

Product Details
The ADG3247 is a 2.5 V or 3.3 V 16-bit, 2-port digital switch. It is designed on Analog Devices’ 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 outputs without additional propagation delay or generating additional ground bounce noise.
The ADG3247 is organized as dual 8-bit bus switches with separate bus enable (BEx) inputs. This allows the device to be used as two 8-bit digital switches or one 16-bit bus switch. These bus switches allow 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 3.3 V inputs to 2.5 V outputs occurs. 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, the ADG3247 has a level translating select pin (SEL). When SEL is low, VCC is reduced internally, allowing for level translation between 3.3 V inputs and 1.8 V outputs. This makes the device suited to applications requiring level translation between different supplies, such as converter to DSP/microcontroller interfacing.
**Product Highlights**
1. 3.3 V or 2.5 V supply operation
2. Extremely low propagation delay through switch
3. 4.5 W switches connect inputs to outputs
4. Level/voltage translation
5. 40-lead 6 mm × 6 mm LFCSP and 38-lead TSSOP packages
**Applications**
3.3 V to 1.8 V Voltage Translation
3.3 V to 2.5 V Voltage Translation
2.5 V to 1.8 V Voltage Translation
Bus Switching
Bus Isolation
Hot Plug
Hot Swap
Analog Switching Applications
### Features and Benefits
225 ps Propagation Delay through the Switch
4.5 Ω Switch Connection between Ports
Data Rate 1.244 Gbps
2.5 V/3.3 V Supply Operation
Selectable Level Shifting/Translation
Small Signal Bandwidth 610 MHz
Level Translation
3.3 V to 2.5 V
3.3 V to 1.8 V
2.5 V to 1.8 V
40-Lead 6 mm 6 mm LFCSP and 38-Lead TSSOP Packages

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