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ADG3308:  Low Voltage, 1.15 V to 5.5 V, 8-Channel Bidirectional Logic Level Translator

Product Details

The ADG3308 is a bidirectional level translator containing eight bidirectional channels. The ADG3308 can be used in multivoltage digital system applications, such as a data transfer between a low voltage DSP controller and a higher voltage device. The internal architecture allows the device to perform bidirectional level translation without an additional signal to set the direction in which the translation takes place.

The voltage applied to VCCA sets the logic levels on the A side of the device, and VCCY sets the levels on the Y side. For proper operation, VCCA must always be less than VCCY. The VCCA compatible logic signals applied to the A side of the device appear as VCCY compatible levels on the Y side. Similarly, VCCY compatible logic levels applied to the Y side of the device appear as VCCA compatible logic levels on the A side.

The enable pin (EN) provides three-state operation on both the A side and the Y side pins. When the EN pin is pulled low, the terminals on both sides of the device are in the high impedance state. For normal operation, EN should be driven high.

The ADG3308 is available in a compact 20-lead TSSOP and a 20-lead LFCSP. The EN pin is referred to the VCCY supply voltage.

The ADG3308 is guaranteed to operate over the 1.15 V to 5.5 V supply voltage range and the extended −40°C to +85°C temperature range.

Product Highlights

  • Bidirectional logic level translation.
  • Fully guaranteed over the 1.15 V to 5.5 V supply range.
  • No direction pin.
  • Packages: 20-lead TSSOP and 20-lead LFCSP
  • Low voltage ASIC level translation
  • Smart card readers
  • Cell phones and cell phone cradles
  • Portable communication devices
  • Telecommunications equipment
  • Network switches and routers
  • Storage systems (SAN/NAS)
  • Computing/server applications
  • GPS
  • Portable POS systems
  • Low cost serial interfaces


  • Bidirectional logic level translation
  • Operates from 1.15 V to 5.5 V
  • Low quiescent current < 1 μA
  • No direction pin

Functional Block Diagram for ADG3308

Evaluation Kits & Symbols & Footprints

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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Price, packaging, availability

ADG3308 Model Options
Model Package Pins Temp.
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
ADG3308BCPZ-REEL Status: Production 20 ld LFCSP (4x4mm) 20 Ind Reel, 5000 - $1.62 Y  Material Info PCN Purchase
ADG3308BCPZ-REEL7 Status: Production 20 ld LFCSP (4x4mm) 20 Ind Reel, 1500 - $1.62 Y  Material Info PCN Purchase Sample
ADG3308BRUZ Status: Production 20 ld TSSOP 20 Ind Tube, 75 $1.97 $1.62 Y  Material Info PCN Purchase Sample
ADG3308BRUZ-REEL Status: Production 20 ld TSSOP 20 Ind Reel, 2500 - $1.62 Y  Material Info PCN Purchase
ADG3308BRUZ-REEL7 Status: Production 20 ld TSSOP 20 Ind Reel, 1000 - $1.62 Y  Material Info PCN Purchase
Price Table Help

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.

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