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DS3930

Features: Six 256-Position NV PotentiometersFour General-Purpose NV I/O Pins64 Bytes of User EEPROM Memory0 to 5.5V on Any Potentiometer Terminal, Independent of VCCAll Six Potentiometers Share a Common Low SidePotentiometers Separated into Two Groups of Three Potentiometers, Each Sharing a Common...

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SeekIC No. : 004329086 Detail

DS3930: Features: Six 256-Position NV PotentiometersFour General-Purpose NV I/O Pins64 Bytes of User EEPROM Memory0 to 5.5V on Any Potentiometer Terminal, Independent of VCCAll Six Potentiometers Share a Co...

DS3930 Data Sheet

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Part Number:
DS3930
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Six 256-Position NV Potentiometers
Four General-Purpose NV I/O Pins
64 Bytes of User EEPROM Memory
0 to 5.5V on Any Potentiometer Terminal, Independent of VCC
All Six Potentiometers Share a Common Low Side
Potentiometers Separated into Two Groups of Three Potentiometers, Each Sharing a Common High Side
2-Wire Serial Interface
Wide Supply Range (2.7V to 5.5V)
Up to Eight DS3930s Can Share the Same 2-Wire Bus


Application

RF Transceivers
Voltage References
Power Supply Calibration
Mobile Phones and PDAs
Fiber Optic Transceiver Modules
Portable Electronics
Radio Tuners
Small, Low-Cost Replacement for Mechanical
Potentiometers


Pinout

Connection Diagram


Specifications

Voltage on VCC Relative to Ground...................... -0.5V to +6.0V
Voltage on I/O0, I/O1, I/O2, I/O3, SDA, SCL, A0, A1, and A2
   Relative to Ground* .............................. -0.5V to (VCC + 0.5V)
Voltage on LO0-5, W0-5, HI0-2, and HI3-5
   Relative to Ground ............................................-0.5V to +6.0V
Current Through W0-5........................................................ ±1mA
Operating Temperature Range .......................... -40°C to +85°C
Programming Temperature Range .........................0°C to +70°C
Storage Temperature Range .............................-55°C to +125°C
Soldering Temperature.................. See IPC/JEDEC J-STD-020A


Description

The DS3930 contains six 256-position nonvolatile (NV) potentiometers, 64 bytes of NV user EEPROM memory, and four programmable NV I/O pins. The six potentiometers all share a common low side. The potentiometers are separated into two groups of three 50kΩ potentiometers in parallel. Each group of three potentiometers shares a common high side and forms an equivalent resistance of 16.6kΩ (three 50kΩ potentiometers in parallel).




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